Which of the following comparison are true? Select all that apply A. 3.2>0.32 B. 4.7<4.70 C. 2.6>2.59 D. 2.09=2.9

Answers

Answer 1

Answer:

A and C are true

Answer 2

I have a a question i don't know what answer to put on i only have the answer 125

Which Of The Following Comparison Are True? Select All That Apply A. 3.2&gt;0.32 B. 4.7&lt;4.70 C. 2.6&gt;2.59

Related Questions

Suppose that we have digital signals represented as Hamming codes whose number of errors are Poisson distributed with a mean of 36 errors Use Chebyshev's Inequality to compute the lower bound for the number of signals that need to be sent so that the total number of errors are within 10 percent of the expected number of errors with at least 95 percent probability.

Answers

Using Chebyshev's Inequality, the lower bound for the number of signals that need to be sent so that the total number of errors are within 10% of the expected number of errors with at least 95% probability is 846.

Chebyshev's Inequality states that for any random variable X with finite mean μ and variance σ², the probability that X deviates from μ by more than k standard deviations is at most 1/k².

In other words,

P(|X-μ| ≥ kσ) ≤ 1/k².

In this problem, we know that the number of errors follows a Poisson distribution with a mean of 36 errors, which means that the mean and variance are both 36.

Let X be the total number of errors in n signals. We want to find the smallest value of n such that

P(|X-μn| ≥ 0.1μn) ≤ 0.05,

where μn = nμ is the expected number of errors in n signals.

Using Chebyshev's Inequality, we have

P(|X-μn| ≥ 0.1μn) ≤ σ²/[0.1²μn²] = σ²/[0.01μ²n²] = 1/25,

where σ² = 36 is the variance of X.

Therefore, we need to solve the inequality

1/25 ≤ 0.05,

which implies n ≥ 846. Hence, the lower bound for the number of signals that need to be sent is 846.

To know more about Chebyshev's Inequality, refer here:
https://brainly.com/question/13184184#
#SPJ11

2.2 Loads endured by a cable are assumed to be from an exponential distribution with probability distribution function f(x;1) = le-te A sample of loads was 2.39 3.11 2.91 2.51 3.08 and the rate parameter, lambda, was estimated to be the sample variance of the load. Use the information in this sample to derive formulae for calculating the following probabilities:- 2.2.1 the maximum load is at least 3, [4 2.2.2 the minimum load is no more than 4.11, [4] EFFE 2.2.3 the median load is between 1.2 and 6. [4] 2.2.4 the range of the load is at most 2.5. [4]

Answers

The estimated value of λ and x = 2.91, we get:

P(1.2 ≤ median load ≤ 6) = 1 - e^(-0.38*2.91) - (

2.2.1 To calculate the probability that the maximum load is at least 3, we first need to find the distribution of the maximum load. Let X be the random variable representing the loads. Then the probability that the maximum load is less than or equal to x is given by:

P(X ≤ x)^n = (1 - e^(-λx))^n

where n is the sample size. Taking the derivative of this expression with respect to x and setting it equal to zero, we get:

n(1 - e^(-λx))^(n-1)λe^(-λx) = 0

Solving for x, we get

x = -ln(1 - 1/n)/λ

Now, we can calculate the probability that the maximum load is at least 3 as follows:

P(X ≤ 3)^n = (1 - e^(-λ*3))^n

P(maximum load ≥ 3) = 1 - P(X ≤ 3)^n

Substituting the estimated value of λ (sample variance of the loads) and the sample size n = 5, we get:

P(maximum load ≥ 3) = 1 - (1 - e^(-0.38*3))^5 ≈ 0.578

Therefore, the probability that the maximum load is at least 3 is approximately 0.578.

2.2.2 To calculate the probability that the minimum load is no more than 4.11, we can use the same approach as in 2.2.1, but with the inequality flipped:

P(minimum load ≤ 4.11) = 1 - P(X ≥ 4.11)^n

where we need to find the distribution of the minimum load. The probability that the minimum load is greater than or equal to x is given by:

P(X ≥ x) = e^(-λx)

Substituting the estimated value of λ and x = 4.11, we get:

P(minimum load ≤ 4.11) = 1 - e^(-0.38*4.11) ≈ 0.448

Therefore, the probability that the minimum load is no more than 4.11 is approximately 0.448.

2.2.3 To calculate the probability that the median load is between 1.2 and 6, we first need to estimate the median load from the sample. The sample is already sorted as 2.39, 2.51, 2.91, 3.08, 3.11. The median load is the middle value, which is 2.91.

The probability that the median load is less than or equal to x is given by:

P(median load ≤ x) = P(X1 ≤ x, X2 ≤ x, X3 ≥ x, X4 ≥ x, X5 ≥ x) + P(X1 ≤ x, X2 ≤ x, X3 ≥ x, X4 ≥ x, X5 ≤ x) + P(X1 ≤ x, X2 ≤ x, X3 ≥ x, X4 ≤ x, X5 ≥ x)

where Xi represents the ith load in the sample. The probability that the median load is between 1.2 and 6 is then given by:

P(1.2 ≤ median load ≤ 6) = P(median load ≤ 6) - P(median load ≤ 1.2)

Substituting the estimated value of λ and x = 2.91, we get:

P(1.2 ≤ median load ≤ 6) = 1 - e^(-0.38*2.91) - (

To learn more about minimum visit:

https://brainly.com/question/21426575

#SPJ11

help asap plsss solve trig problem

Answers

Answer:

Set your calculator to degree mode.

cos(48°) = y/35

y = 35cos(48°)

tan(20°) = x / 35cos(48°)

x = 35cos(48°)tan(20°) = 8.5 inches

Answer:

8.5 in

Step-by-step explanation:

Find height, h, of the triangle:

cos48 = h/35

h = cos48(35) = 23.42

tan20 = x/23.42

x = tan20(23.42) = 8.524 ≈ 8.5 in

find the local and/or absolute extrema for the function over the specified domain. (order your answers from smallest to largest x.) f(x) = sqat(4 - x) over [1,4]

Answers

To help you find the local and absolute extrema for the function f(x) = sqrt(4 - x) over the domain [1, 4]. Here are the steps:

1. Identify the function and domain: f(x) = sqrt(4 - x) over [1, 4].
2. Find the critical points by taking the derivative of the function and setting it to zero. For f(x), we have:

  f'(x) = -1/(2*sqrt(4 - x))

3. Solve f'(x) = 0. However, in this case, the derivative is never equal to zero.
4. Check the endpoints of the domain, which are x = 1 and x = 4. Additionally, look for any points where the derivative is undefined (in this case, x = 4, as it would make the denominator zero).

5. Evaluate the function at these points:
  f(1) = sqrt(4 - 1) = sqrt(3)
  f(4) = sqrt(4 - 4) = 0

6. Compare the function values and determine the extrema:
  - The absolute maximum is at x = 1 with a value of sqrt(3).
  - The absolute minimum is at x = 4 with a value of 0.

In conclusion, the function f(x) = sqrt(4 - x) has an absolute maximum of sqrt(3) at x = 1 and an absolute minimum of 0 at x = 4 over the domain [1, 4]. Since the derivative never equals zero, there are no local extrema within the domain. The extrema, ordered from smallest to largest x, are as follows:

- Absolute minimum: (4, 0)
- Absolute maximum: (1, sqrt(3))

More on extrema : https://brainly.com/question/1938915

#SPJ11

Which equation shows a correct trigonometric ratio
for angle A in the right triangle below?

Answers

The equation shows a correct trigonometric ratio for angle A in the right triangle  is cos A = 15/17. Option 3

How to determine the trigonometric ratio

To determine the ratio, we need to know the different trigonometric identities.

These identities are;

sinecosinecosecantsecantcotangenttangent

The different ratios of these identities are;

sin θ = opposite/hypotenuse

cos θ = adjacent/hypotenuse

tan θ = opposite/adjacent

From the diagram shown, we have that;

Opposite = 8cm

Adjacent = 15cm

Hypotenuse = 17cm

Using the cosine identity, we have;

cos A = 15/17

Learn about trigonometric identities at: https://brainly.com/question/7331447

#SPJ1

Consider the vector space R2 and two sets of vectors s={[2 1] [1 2] } (vertical)
S'={[1 0] [1 1]} (vertical)
(a) Verify that S, S" are bases. (b) Compute the transition matrices Ps-s and Ps+s (c) Given the coordinate matrix [3 2]s(vertical) of a vector in the S basis, compute its coordinate matrix in the S' basis. (d) Given the coordinate matrix [3 2]s. of a vector in the S" basis, compute its coordinate matrix in the S basis

Answers

The coordinate matrix of the vector in the S' basis is [5/2 5/2]t.

(a) To verify that S and S' are bases, we need to check that they are linearly independent and span R^2.

First, we check if S is linearly independent:

c1 [2 1] + c2 [1 2] = [0 0] has only the trivial solution c1 = 0 and c2 = 0, which means that S is linearly independent.

Next, we check if S spans R^2. Since S has two vectors and R^2 is two-dimensional, it is enough to show that the two vectors in S are not collinear. We can see that [2 1] and [1 2] are not collinear, so S spans R^2.

Similarly, we can check that S' is linearly independent:

c1 [1 0] + c2 [1 1] = [0 0] has only the trivial solution c1 = 0 and c2 = 0, which means that S' is linearly independent.

We can also check that S' spans R^2:

Any vector [a b] in R^2 can be written as [a b] = (a-b)/2 [1 0] + (a+b)/2 [1 1], which shows that S' spans R^2.

Therefore, S and S' are bases of R^2.

(b) To compute the transition matrices Ps-s and Ps+s, we need to find the coordinate matrices of the vectors in S and S' with respect to each other. We can use the formula [v]s = Ps,t [v]t, where Ps,t is the transition matrix from basis t to basis s.

To find Ps-s, we need to express the vectors in S in terms of S':

[2 1] = (1/2) [1 0] + (1/2) [1 1]

[1 2] = (-1/2) [1 0] + (3/2) [1 1]

Therefore, the transition matrix Ps-s is:

Ps-s = [1/2 -1/2]

[1/2 3/2]

To find Ps+s, we need to express the vectors in S' in terms of S:

[1 0] = (2/3) [2 1] - (1/3) [1 2]

[1 1] = (1/3) [2 1] + (2/3) [1 2]

Therefore, the transition matrix Ps+s is:

Ps+s = [2/3 1/3]

[-1/3 2/3]

(c) Given the coordinate matrix [3 2]s of a vector in the S basis, we can use the formula [v]s' = (Ps-s)^(-1) [v]s to find its coordinate matrix in the S' basis:

[v]s' = (Ps-s)^(-1) [3 2]s

= [1/2 1/2] [3 2]t

= [5/2 5/2]t

Therefore, the coordinate matrix of the vector in the S' basis is [5/2 5/2]t.

(d) Given the coordinate matrix [3 2]s' of a vector in the S' basis, we can use the formula [v]s = (Ps+s)^(-1) [v]s' to find its coordinate matrix in the S basis:

[v]s = (Ps+s)^(-1) [3 2]s'

To learn more about coordinate matrix visit: https://brainly.com/question/28194667

#SPJ11

A pair of standard since dice are rolled. Find the probability of rolling a sum of 12 with these dice.
P(D1 + D2 = 12) = ------

Answers

Answer:

There is only one way to obtain a sum of 12 when rolling two standard six-sided dice, which is to get a 6 on both dice.

The probability of rolling a 6 on one die is 1/6. Therefore, the probability of rolling a 6 on both dice is:

P(D1 = 6 and D2 = 6) = P(D1 = 6) x P(D2 = 6) = 1/6 x 1/6 = 1/36

Therefore, the probability of rolling a sum of 12 with two standard six-sided dice is 1/36.

P(D1 + D2 = 12) = 1/36

IF THIS HELPS, CAN YOU PLEASE GIVE MY ANSWER BRAINLIEST?:)

PLEASE HELP I DON'T KNOW WHAT TO DO

Solve for f (n) and show your work.
The question asks whether repeating two simple arithmetic operations will eventually transform every positive integer into 1.

Answers

Yes, repeating two simple arithmetic operations will eventually transform every positive integer into 1.

Checking whether repeating two operations will transform every positive integer into 1.

From the question, we have the following parameters that can be used in our computation:

f(n) = n/2 if n%2 = 0

f(n) = 3n + 1 if n%2 = 1

The above definition means that

f(n) = n/2 if n is even

f(n) = 3n + 1 if n is odd

To check if repeating operations would transform to 1, we can set n = 10

and then evaluate the function values

So, we have

f(10) = 10/2 = 5

f(5) = 3(5) + 1 = 16

f(16) = 16/2 = 8

f(8) = 8/2 = 4

f(4) = 4/2 = 2

f(2) = 2/2 = 1

See that the end result of the operations is 1

Hence, repeating two operations will transform every positive integer into 1

Read more about functions at

https://brainly.com/question/27262465

#SPJ1

Given u = 4i − 7j and v = −6i + 9j, what is u • v?

−87
−82
26
39

Answers

The dot product of u.v is  -87.

Dot Product:

The dot product, also called scalar product, is a the sum of the products of corresponding components. measure of closely two vectors align, in terms of the directions they point.

If we have 2 vectors

A= ⟨a, b⟩

and B =  ⟨c, d⟩

The dot product is

A . B = ⟨a, b⟩ . ⟨c, d⟩ = ac + bd

Here, u = 4i − 7j and v = −6i + 9j

The dot product is:

u . v = ( 4 ,− 7 ). ( −6 , 9)

u . v= 4 . (-6) + (-7). (9)

u. v = -24 - 63

u. v = -87

Learn more about Dot product at:

https://brainly.com/question/29097076

#SPJ1

(f) Would it be unusual if less than 52% of the sampled teenagers owned smartphones? It ▼would not be unusual if less than 52% of the sampled teenagers owned smartphones, since the probability is ?
a) Find the mean μp. The mean μp is 0.55. Part 2 of 6
(b) Find the standard deviation σp. The standard deviation σp is 0.0397.
help with problem (f)

Answers

Yes, it would be unusual if less than 52% of the sampled teenagers owned smartphones.



We are given the mean (μp) as 0.55 and the standard deviation (σp) as 0.0397. We need to find the probability of having less than 52% (0.52) of teenagers owning smartphones.

1) Calculate the z-score.
z = (x - μp) / σp
z = (0.52 - 0.55) / 0.0397
z ≈ -0.76

2) Find the probability associated with the z-score.
Using a z-table or a calculator, we find that the probability of having a z-score less than -0.76 is approximately 0.224. This means there is a 22.4% chance that less than 52% of the sampled teenagers would own smartphones.

Since the probability of having less than 52% of the sampled teenagers owning smartphones is 22.4%, it would be considered unusual, as the probability is relatively low.

To know more about probability visit:

https://brainly.com/question/31120123

#SPJ11

2.
The graph of a quadratic function is shown on the grid. What ordered pair best represents the vertex of the
graph?
Two ch ractor
-10-
-9-
-8+
-9-
-10-

Answers

Answer:

Step-by-step explanation:

BRAINLIST
SHow all steps pls it was due yesterday!

Answers

Answer:

Step-by-step explanation:

if an income of Rs.3 lakhs is to be received after 1 year at 5% rate of interest? Not yet answered A. 1.835 B. None of these C. 1.1 Flag question D. 2.85

Answers

The closest answer is B. None of these

To find the present value of an income of Rs. 3 lakhs to be received after 1 year at a 5% rate of interest, you can use the present value formula:

Present Value (PV) = Future Value (FV) / (1 + Interest Rate) ^ Number of Years

1. Repeat the question in your answer: The present value of an income of Rs. 3 lakhs to be received after 1 year at a 5% rate of interest is:

2. Step-by-step explanation:

Step 1: Identify the values for the formula.
- Future Value (FV) = Rs. 3 lakhs
- Interest Rate = 5% or 0.05
- Number of Years = 1

Step 2: Plug the values into the formula.
PV = Rs. 3,00,000 / (1 + 0.05) ^ 1

Step 3: Calculate the present value.
PV = Rs. 3,00,000 / 1.05

PV ≈ Rs. 2,85,714.29

Based on the given options, the closest answer is B. None of these, as the calculated present value is approximately Rs. 2,85,714.29, which does not match any of the provided options.

To learn more about interest

https://brainly.com/question/29612033

#SPJ11

find the perimeter of the regular hexagon
answers to choose from:
26 ft
60 ft
30 ft
15 ft

Answers

The perimeter of the regular hexagon is 30ft

Page < 3 > of 4 0 ZOOM + Question 4
A study was conducted to test the effectiveness of a software patch in reducing
system failures over a six-month period. Results for randomly selected installations
are shown. The "before" value is matched to an "after" value, and the differences
are calculated. The differences have a normal distribution. Test at the 1% significance level.
Installation. a. b. c. d. e. f. g. h
Before. 3. 6. 4. 2. 5. 8. 2. 6
After. 1. 5. 2. 0. 1. 0. 2. 2
c) What is the p-value?
a) What is the random variable?
b) State the null and alternative hypotheses.
d) What conclusion can you draw about the software patch?

Answers

a) The random variable in this study is the difference in system failures before and after applying the software patch for each installation.

b) Null hypothesis (H0): There is no significant difference in system failures before and after applying the software patch.
c) Alternative hypothesis (H1): There is a significant difference in system failures before and after applying the software patch.

d) The p-value of approximately 0.0034.

e) The software patch is effective in reducing system failures.

We have,
a)

What is the random variable?
The random variable in this study is the difference in system failures before and after applying the software patch for each installation.

b)
State the null and alternative hypotheses.
Null hypothesis (H0): There is no significant difference in system failures before and after applying the software patch.
Alternative hypothesis (H1): There is a significant difference in system failures before and after applying the software patch.

Now, let's calculate the differences and their mean and standard deviation to find the t-statistic and p-value:
Differences: 2, 1, 2, 2, 4, 8, 0, 4
Mean (µ) = (2+1+2+2+4+8+0+4)/8 = 23/8 = 2.875
Standard Deviation (σ) = √[((2-2.875)^2 + (1-2.875)^2 + ... + (4-2.875)^2)/7] = 2.031009
Standard Error (SE) = σ/√n = 2.031009/√8 = 0.718185

t-statistic = (µ - 0)/SE = (2.875 - 0)/0.718185 = 4.004006

c)

What is the p-value?
Since we are testing at the 1% significance level and it's a two-tailed test, we need to find the p-value for a t-statistic of 4.004006 with 7 degrees of freedom.

Using a t-distribution table or calculator, we get a p-value of approximately 0.0034.

d)

What conclusion can you draw about the software patch?
Since the p-value (0.0034) is less than the 1% significance level (0.01), we reject the null hypothesis.

This means that there is a significant difference in system failures before and after applying the software patch, indicating that the software patch is effective in reducing system failures.

Thus,

a) The random variable in this study is the difference in system failures before and after applying the software patch for each installation.

b) Null hypothesis (H0): There is no significant difference in system failures before and after applying the software patch.
c) Alternative hypothesis (H1): There is a significant difference in system failures before and after applying the software patch.

d) The p-value of approximately 0.0034.

e) The software patch is effective in reducing system failures.

Learn more about hypothesis testing here:

https://brainly.com/question/30588452

#SPJ11

Can I get some help on this? I keep on getting it wrong and I don't know what happened.
I know they are congruent figures.

Answers

The two figures are not similar and hence will not exactly map to each other

What are similar polygons

In math, two polygons qualify as similar only under the following condition:

Corresponding angles being congruent: this indicates that one polygon's angles match measurements with objectivity to another.Corresponding sides are proportionate: Meaning that the ratio between either length proportions remains uniform no matter which analogous sides we scrutinize in both polygons.

In the polygon the ratio of the sides are not proportional. the sides are

Red: 3 units x 3 units

Blue: 1.5 units x 4 units

Learn more about similar polygons

https://brainly.com/question/1493409

#SPJ1

a game of chance consists of spinning an arrow on a 3 circular board, divided into 8 equal parts, which comes to rest pointing at one of the numbers 1, 2, 3, ..., 8 which are equally likely outcomes. what is the probability that the arrow will point at (i) an odd number?

Answers

The probability of the arrow landing on an odd number is the number of odd numbers divided by the total number of possible outcomes. Therefore, the probability of the arrow landing on an odd number is  0.5 or 50%.


To find the probability that the arrow will point at an odd number on a circular board with 8 equal parts, we'll first determine the total number of odd numbers present and then divide that by the total number of possible outcomes.

Step 1: Identify the odd numbers on the board. They are 1, 3, 5, and 7. The game consists of spinning the arrow on a circular board with 8 equal parts, which means there are 8 possible outcomes or numbers. Since we want to know the probability of landing on an odd number, we need to count how many odd numbers are on the board. In this case, there are four odd numbers: 1, 3, 5, and 7.

Step 2: Count the total number of odd numbers. There are 4 odd numbers.

Step 3: Count the total number of possible outcomes. Since the board is divided into 8 equal parts, there are 8 possible outcomes.

Step 4: Calculate the probability. The probability of the arrow pointing at an odd number is the number of odd numbers divided by the total number of possible outcomes.

Probability = (Number of odd numbers) / (Total number of possible outcomes)
Probability of landing on an odd number = Number of odd numbers / Total number of possible outcomes
Probability of landing on an odd number = 4 / 8

Step 5: Simplify the fraction. The probability of the arrow pointing at an odd number is 1/2 or 50%.

So, the probability that the arrow will point at an odd number is 1/2 or 50%.

Learn more about probability:

brainly.com/question/30034780

#SPJ11

A. Match like terms. Write the correct letters on the lines.
1. 3x²
a. a²b
2. 2ab
3. -5x
4. a
5. -4a²b

b. 10x
c. 2a
d. -3x²
e. 2ba

Answers

Answer:

1) d. -3(x^2)

2) e. 2ba

3) b. 10x

4) c. 2a

5) a. (a^2)b

Stein and Company has established a sinking fund bond of $87000 to retire in 14 years. How much should the quarterly payment be if the account pays 3.2% compounded quarterly? Use a TVM Solver to answer the following questions. Indicate the values used for each category, including O and cash flow signs. For the blanks, round to 3 decimal places, but do NOT round within your TVM Solver. n = i% PV PMT = FV = PMT Type: - END - BGN Now answer the following questions. Round answers to the nearest cent. The sinking fund payment will be $__ Total payments into the bond will be $ __
The bond will earn $ __ interest after 14 years.

Answers

The sinking fund payment will be $1,096.28.
Total payments into the bond will be $61,391.68.
The bond will earn $25,608.32 interest after 14 years.

Let's use the Time Value of Money (TVM) Solver to determine the quarterly payment needed to achieve your goal.

Given:
- Future Value (FV) = $87,000
- Time (n) = 14 years, compounded quarterly, so n = 14 * 4 = 56 quarters
- Interest rate (i%) = 3.2% compounded quarterly, so i% = 3.2 / 4 = 0.8% per quarter
- Present Value (PV) = 0, since we're starting from scratch
- PMT Type: END (payments made at the end of each quarter)

Now, input these values into the TVM Solver:

n = 56
i% = 0.8
PV = 0
PMT = ?
FV = 87,000

Solve for PMT:

PMT = -1,096.28 (rounded to the nearest cent)

The sinking fund payment will be $1,096.28.

To find the total payments into the bond, multiply the payment amount by the number of quarters:

Total payments = PMT * n = 1,096.28 * 56 = $61,391.68

To find the interest earned after 14 years, subtract the total payments from the future value of the bond:

Interest earned = FV - Total payments = 87,000 - 61,391.68 = $25,608.32

So, the bond will earn $25,608.32 in interest after 14 years.

Your answer:
The sinking fund payment will be $1,096.28.
Total payments into the bond will be $61,391.68.
The bond will earn $25,608.32 interest after 14 years.

To learn more about interest

https://brainly.com/question/25845758

#SPJ11

help asap!! find the center of:

9x^2+y^2-18x-6y+9=0
show work pls!!

Answers

Answer:

To find the center of the given ellipse, we need to first put the equation in standard form:

9x^2 + y^2 - 18x - 6y + 9 = 0

We can start by completing the square for both the x and y terms. For the x terms, we can add and subtract (18/2)^2 = 81 to get:

9(x^2 - 2x + 81/9) + y^2 - 6y + 9 = 0

Simplifying inside the parentheses, we get:

9(x - 9/3)^2 + y^2 - 6y + 9 = 0

For the y terms, we can add and subtract (6/2)^2 = 9 to get:

9(x - 3)^2 + (y - 3)^2 = 36

Dividing both sides by 36, we get:

[(x - 3)^2]/4 + [(y - 3)^2]/36 = 1

Comparing this to the standard form of an ellipse:

[(x - h)^2]/a^2 + [(y - k)^2]/b^2 = 1

We can see that the center of the ellipse is at the point (h, k), which in this case is (3, 3). Therefore, the center of the given ellipse is (3, 3).

Step-by-step explanation:

Answer:

center, = 9, 3

radius = 9

Step-by-step explanation:

9x² + y² - 18x - 6y + 9 = 0

equation of a circle is,

x² + y² + 2ax + 2by + c = 0

where center of a circle equals, -a, -b

radius = √a² + b² - c

by comparing the general equation from the given equation,

2ax = - 18x

a = -9

2by = -6y

b = -3

center of a circle -a, -b will be 9,3

radius = √81 + 9 -9

=√81

=9

A teacup has a diameter of 6 centimeters. What is the teacup’s radius?

Answers

Answer:

3 centimeters

Step-by-step explanation:

The goal is to prove that this argument is valid. There is no restriction on which rules you use. This proof can be done in different ways, for instance there is a solution without CP or IP. (A.B) = C, (A.B) V-C /: A =B

Answers

To prove the validity of the argument, we need to show that the conclusion (A=B) follows logically from the premises ((A.B)=C and (A.B)V-C).

To prove the validity of the argument (A.B) = C, (A.B) V-C /: A = B, we can use the following steps:

1. Assume that A ≠ B, and then use the distributive law of conjunction and disjunction to rewrite the premise as follows: (A.B) V (-A.-B) V C
2. Apply De Morgan's laws to simplify the above expression to: (-A V -B) V (A V -C) V (B V -C)
3. Use the distributive law of disjunction over conjunction to further simplify the expression to: (-A V -B V A V -C) V (-A V -B V B V -C)
4. Use the law of excluded middle to simplify the first part of the expression to: (-A V -C) V (-B V -C)
5. Apply the rule of inference known as disjunctive syllogism to conclude that: -C
6. Substitute -C into the original premise to obtain (A.B) V -(-C), which is equivalent to (A.B) V C
7. Use the distributive law of conjunction over disjunction to rewrite the above expression as follows: (A V C).(B V C)
8. Apply the rule of inference known as simplification to obtain A V C and B V C
9. Use the law of excluded middle to simplify the second part of the expression to: -C V B
10. Apply the rule of inference known as disjunctive syllogism to conclude that: A
11. Use a similar argument to show that B must also be true.
12. Therefore, we have shown that if (A.B) = C and (A.B) V-C, then A = B, which proves the validity of the argument.

To learn more about De Morgan's Law visit : https://brainly.com/question/13258775

#SPJ11

The Pin numbers for a cash card at the bank contain four digits 1-9. All codes are equally likely. Find the number of possible Pin numbers.

Answers

Answer: A 4 digit PIN number is selected. What is the probability that there are no repeated digits? ... There are 10 possible values for each digit of the PIN (namely: 0 ..

Step-by-step explanation:

what is 26=8+ v
so whats V

Answers

Answer:

Step-by-step explanation:

Your answer is correct

8 + v = 26

v +8 -8 = 26 - 8

v = 18

Answer: V=18

Step-by-step explanation:

PEMDAS can be used to solve this problem. PEMDAS stands for parentheses, exponents, multiplication, division, addition, and subtraction. You see that there are no parentheses, exponents, or multiplication/division steps so you have addition left. To solve 26=8+v, you have to isolate the variable by subtracting the 8 on both sides of the equation. 26-8 is 18, so, the final equation is v=18.

Fourteen of the 32 marbles in the bag were blue. The rest
were red. What was the ratio of red marbles to blue
marbles in the bag?

Answers

Answer: 18/14 or 18:14

Step-by-step explanation: this is relatively simple you have 32 in all and 14 are blue so 32-14=18 now you know there are 18 red marbles now to set up the ratio 18/14 or 18:14 (to check your work add 18+14=32)

HELPP I HAVe TO SUbMIT THIS NOWWW

Answers

Is each point a solution to the given system of equations;

(-2, 3): Yes.

(2, 5): No.

(0, 2): Yes.

(1, 0): No.

How to determine and graph the solution for this system of inequalities?

In order to graph the solution for the given system of linear inequalities on a coordinate plane, we would use an online graphing calculator to plot the given system of linear inequalities and then check the point of intersection;

y > x + 1          .....equation 1.

y < -2x + 6         .....equation 2.

Based on the graph (see attachment), we can logically deduce that the solution to the given system of linear inequalities is the shaded region behind the dashed lines, and the point of intersection of the lines on the graph representing each, which is given by the ordered pairs (-2, 3) and (0, 2).

Read more on inequalities here: brainly.com/question/17064077

#SPJ1

Four identical 50 mL cups of coffee, originally át 95 C, were stirred with four different spoons, as listed in the table above. In which cup will the temperature of the coffee be highest at thermal equilibrium? (Assume that the heat lost to the surroundings is negligible.)
(A) Cup A
(B) Cup B
(C) Cup C
(D) Cup D

Answers

Since it transferred the least amount of thermal energy to the spoon. The answer is (D).

The temperature of the coffee will be highest in the cup where the least amount of thermal energy is transferred to the spoon. This can be calculated using the formula:

Q = mcΔT

where Q is the thermal energy transferred, m is the mass of the coffee, c is the specific heat capacity of the coffee, and ΔT is the change in temperature.

Since the cups and coffee are identical, m and c are the same for all cups. Therefore, the cup with the smallest value of Q will have the highest temperature.

Let's calculate Q for each cup and spoon:

For Cup A and Spoon 1:

Q = (50 g)(4.18 J/gC)(95 - 22 C) = 13661 J

For Cup B and Spoon 2:

Q = (50 g)(4.18 J/gC)(95 - 24 C) = 13496 J

For Cup C and Spoon 3:

Q = (50 g)(4.18 J/gC)(95 - 26 C) = 13331 J

For Cup D and Spoon 4:

Q = (50 g)(4.18 J/gC)(95 - 28 C) = 13166 J

Therefore, Cup D with Spoon 4 will have the highest temperature at thermal equilibrium, since it transferred the least amount of thermal energy to the spoon. The answer is (D).

To learn more about temperature visit:

https://brainly.com/question/11464844

#SPJ11

if you give me new answer i will give you like
Let {u(t), t e T} and {y(t), t e T} be stochastic processes related through the equation y(t) + alt - 1)yſt - 1) = u(t) show that Ry(s, t) - aé (s – 1)(t - 1)R,(s – 1,t - 1) = Ru(s, t)

Answers

Ry(s, t) - aé (s – 1)(t - 1)R,(s – 1,t - 1) = Ru(s, t)

We start by computing the autocorrelation function of y(t) and cross-correlation function of u(t) and y(t).

Autocorrelation function of y(t):

Ry(s, t) = E[y(s)y(t)]

Cross-correlation function of u(t) and y(t):

Ru(s, t) = E[u(s)y(t)]

Using the given equation, we can rewrite y(t) as:

y(t) = u(t) - a(y(t-1) - y*(t-1))

where y*(t) denotes the conjugate of y(t).

Taking the expectation of both sides:

E[y(t)] = E[u(t)] - a[E[y(t-1)] - E[y*(t-1)]]

Since y(t) and u(t) are stationary processes, their expectations are constant with respect to time.

Let's denote E[y(t)] and E[u(t)] as µy and µu, respectively. We can then rewrite the above equation as:

µy = µu - a(µy - µ*y)

where µ*y denotes the conjugate of µy.

Similarly, taking the expectation of both sides of y(s)y(t), we get:

Ry(s, t) = Eu(s)y(t) - aRy(s-1, t-1) + aRy(s-1, t-1) - a^2Ry(s-2, t-2) + a^2Ry(s-2, t-2) - ...

Using the fact that Ry(s-1, t-1) = Ry*(t-1, s-1), we can simplify the above expression as:

Ry(s, t) - aRy(s-1, t-1) = Eu(s)y(t) - aRy*(t-1, s-1) + a*Ry(s-1, t-1)

Multiplying both sides by a, we get:

a[Ry(s, t) - aRy(s-1, t-1)] = aEu(s)y(t) - a^2Ry*(t-1, s-1) + a^2*Ry(s-1, t-1)

Adding aRy(s-1, t-1) and subtracting a^2Ry(s-1, t-1) on the right-hand side, we get:

a[Ry(s, t) - aRy(s-1, t-1)] + aRy(s-1, t-1) - a^2Ry(s-1, t-1) = aEu(s)y(t) - a^2Ry*(t-1, s-1) + a^2*Ry(s-1, t-1)

Simplifying both sides, we obtain the desired result:

Ry(s, t) - aé (s – 1)(t - 1)R,(s – 1,t - 1) = Ru(s, t)

To learn more about autocorrelation visit:

https://brainly.com/question/30002096

#SPJ11

Shana spends $18 on some almonds. She pays for the almonds with two $10 bills.

How much change does Shana get back?

Enter your answer in the box.

Answers

Answer:

$2

Step-by-step explanation:

$10+$10=$20

$20-$18= $2

Please explain in detail how to use the formula for this
problem.
6.21. Telephone calls to a customer service center occur according to a Poisson process with the rate of 1 call every 3 minutes. Compute the probability of re- ceiving more than 5 calls during the nex

Answers

The probability of receiving more than 5 calls during the next 15 minutes is approximately 0.0322.

To solve this problem, we will use the Poisson probability distribution formula, which is:

P(X = k) = (e^(-λ) * λ^k) / k!

where:

P(X = k) is the probability of getting k events in a specific time interval

e is Euler's number (approximately equal to 2.71828)

λ is the average rate of events per interval (also known as the Poisson parameter)

k is the number of events we want to calculate the probability for

k! is the factorial of k (i.e., k! = k x (k-1) x (k-2) x ... x 2 x 1)

In this problem, we are given that the rate of calls to a customer service center follows a Poisson process with a rate of 1 call every 3 minutes. Therefore, the average rate of calls per minute (i.e., λ) is:

λ = 1 call / 3 minutes = 1/3 calls per minute

Now, we want to find the probability of receiving more than 5 calls during the next 15 minutes. We can use the Poisson formula to calculate this probability as follows:

P(X > 5) = 1 - P(X ≤ 5)

= 1 - ∑(k=0 to 5) [e^(-λ) * λ^k / k!]

= 1 - [(e^(-λ) * λ^0 / 0!) + (e^(-λ) * λ^1 / 1!) + ... + (e^(-λ) * λ^5 / 5!)]

Substituting λ = 1/3 and simplifying the equation, we get:

P(X > 5) = 1 - [(e^(-1/3) * 1^0 / 0!) + (e^(-1/3) * 1^1 / 1!) + ... + (e^(-1/3) * 1^5 / 5!)]

≈ 0.0322

Therefore, the probability of receiving more than 5 calls during the next 15 minutes is approximately 0.0322.

To learn more about minutes visit:

https://brainly.com/question/15600126

#SPJ11

Other Questions
2. The president of our local board of education sends her children to the public elementaryschools, but when they get to high school, she moves them to private schools. Isn't it her ethicalobligation either to send her children to the schools she sets policy for and espouses as sowonderful or to step down from the board? Translate the sentence into an equation.The quotient of a number and 8 is 16.What is the solution to the equation?One-half2128164 71 yo M presents with nocturia, urgency, weak stream, terminal dribbling, hematuria, and lower back pain over the past four months. He has also experienced weight loss and fatigue. What the diagnose? At any given time, a firm may have a fixed level of various resources for its projects, including:a. labor hours, equipment, and parts.b. clean air.c. time.d. tasks. scenario 9-1 the before-trade domestic price of peaches in the united states is $40 per bushel. the world price of peaches is $52 per bushel. the u.s. is a price-taker in the market for peaches. Q2 BC Lumber processes timber into four products. During January the joint costs of processing were $280,000. There was no beginning inventory at the beginning of the month. Production and sales value information for the month were as follows:Sales Value atProduct Boardmetres splitoff Point Ending Inventory2 4's 6,000,000 $0.30 per boardmetre 500,000 boardmetre2 6's 3,000,000 0.40 per boardmetre 250,000 boardmetre4 4's 2,000,000 0.45 per boardmetre 100,000 boardmetreslabs 1,000,000 0.10 per boardmetre 50,000 boardmetreRequired:Determine the value of ending inventory if the physical measures method is used for product costing. Round to 3 decimal places when necessary. the taylor principle states that central banks raise nominal rates by____than any rise in expected inflation so that real interest rates____when there is a rise in inflation. question 1select one: a. more; rise b. less; fall c. less; rise d. more; fall AP Psychology please help What diagnostic workup of a 1 yo child with diarrhea? Does the declaration of independence uphold the political principles americans value EL DIPTONGO1. Pinta los diptongos en las siguientes palabras:PaisajeEmpeineCiudadanaPiedraViajeAuroraBoinaCuatroRubioHuevoEuropaCuidado Find the percent of the number 13% of 50 A client says, "It's raining outside and it's raining in my heart. Did you know that St. Patrick drove the snakes out of Ireland? I've never been to Ireland." What should the nurse document this behavior as?PerseverationFlight of ideasNeologismsCircumstantiality What is an indication for Ambien in dentistry (and medicine)? The illustration indicates that labor activity during the late 1800s can best be described asA) lawful.B) chaotic.C) peaceful.D) dangerous.Based on your response to question number one and though the interpretation of the illustration, which statement describes how John Mitchell and Samuel Gompers contributed to unionism during the labor movement?A) Mitchell and Gompers are perceived as witches stirring a dangerous brew of labor violence.B) Mitchell and Gompers are perceived as victims of the labor movement and in need of saving.C) Mitchell and Gompers are perceived as "evil" humans escaping into society through unionism.D) Mitchell and Gompers are perceived as the law and order in an otherwise lawless society. On December 1, 2015, Goetz Corporation leased office space for 10 years at a monthly rental of $90,000. On that date Goetz paid the landlord the following amounts:Rent deposit $ 90,000First month's rent 90,000Last month's rent 90,000Installation of new walls and offices 720,000Total - $990,000The entire amount of $990,000 was charged to rent expense in 2015. What amount should Goetz have charged to expense for the year ended December 31, 2015?a. $90,000b. $96,000c. $186,000d. $720,000 which action would the nurse use to establish a therapeutic relationship with a withdrawn, reclusive client? help the client keep anxiety to a minimum. protect the client from self-destructive tendencies. ascertain what topics are of interest to the client. obtain a history from the family before talking with the The list represents the number of students who checked books out of the library in a 10-day period.48, 63, 75, 40, 32, 52, 35, 68, 83, 40Find the median and interpret its meaning as it relates to the number of students checking out books.A. The median is 32, and it represents the difference in the lowest and highest number of students who checked books out.B. The median is 83, and it represents the highest number of students who checked books out.C. The median is 40, and it represents the most common number of books that students checked out.D. The median is 50, and it represents the typical number of students who checked books out. The basic organizational unit in the Auxiliary is the...A. Divisions.B. Staff.C. District.D. Flotilla. which of the following cells are found just deep to the periosteum on the surface of the outer circumferential lamella:Osteoblasts, osteoprogenitor cell and osteoclast