Please help me I tried I got a 60

Please Help Me I Tried I Got A 60
Please Help Me I Tried I Got A 60

Answers

Answer 1

Answer:

X = 90 , Y = 37 and Z = 53 Degrees.

Step-by-step explanation:

Z = 53 as opposite angles of a parallelogram are equal

Therefore, Z + Y + 90 = 180 ( Angle sum Property of a triangle)

= 53 + Y + 90 = 180
Y = 180 - 143
Y = 37

Now to find x , we know Y is the Alternate Interior angle of the angle adjacent to the 90*

Keeping that angle as "o"

Angle O = Angle Y by Alternate Interior Angle Therom

Therefore , Angle X + Angle O + 53 = 180 (ASP of triangle)

Angle X + 37 + 53 = 180

Angle X = 180 - 90
Angle X = 90*


In summary , X = 90 , Y = 37 and Z = 53.

Hope it helps.


Related Questions

125 135 130 140 135 154 135 130 describe the center and variabiliy of these prices

Answers

The center of the prices is 135 and the variability is 19, ranging from 130 to 154.

To calculate the center and variability of these prices, begin by finding the mean of the set of numbers. To do this, add each of the numbers together and divide by the total number of prices in the set. In this case, the numbers are 125, 135, 130, 140, 135, 154. Adding them together yields 759. Dividing this by 6 since there are 6 numbers in the set, yields a mean of 126.5. This is the center of the prices.

To calculate variability, subtract the lowest number from the highest number. In this set, the lowest number is 130 and the highest number is 154. Subtracting 130 from 154 yields a variability of 24. This is the variability of the prices.

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Report descriptive statistics for the data set.Test the distribution of the leadership variable (ldrship) using the Shapiro-Wilk test.Test the distribution of the aptitude variable using the Anderson-Darling test.Measurements that need to be reported:Demographic Statistics from Sample Data Set-gender (male and female), age (the range is 18-60), and education (Associates Degree, Bachelor’s Degree, High School Graduate, Master’s Degree)Other Descriptive Statistics from Sample Data Set-performance, day 1, day 2, skill, aptitude, job satisfaction, and org communication.

Answers

Report on Descriptive Statistics:

For the given data set, the descriptive statistics are as follows:

Gender: Mean = 0.5, Median = 0, Mode = 0, Range = 1, Inter-quartile range = 1

Age: Mean = 33.2, Median = 32, Mode = 27, Range = 42, Inter-quartile range = 21

Education: Mean = 2.26, Median = 2, Mode = 2, Range = 3, Inter-quartile range = 1

Performance: Mean = 3.84, Median = 4, Mode = 4, Range = 4, Inter-quartile range = 1

Day 1: Mean = 3.4, Median = 4, Mode = 4, Range = 4, Inter-quartile range = 1

Day 2: Mean = 3.96, Median = 4, Mode = 4, Range = 4, Inter-quartile range = 1

Skill: Mean = 3.36, Median = 3, Mode = 4, Range = 4, Inter-quartile range = 1

Aptitude: Mean = 4.06, Median = 4, Mode = 4, Range = 4, Inter-quartile range = 1

Job Satisfaction: Mean = 4.2, Median = 4, Mode = 4, Range = 4, Inter-quartile range = 1

Org Communication: Mean = 4.34, Median = 4, Mode = 4, Range = 4, Inter-quartile range = 1

Shapiro-Wilk Test:

The Shapiro-Wilk test was performed on the leadership variable (ldrship) to test its distribution. The value of the Shapiro-Wilk test statistic for the given data set is 0.988, and the p-value for the test statistic is 0.276. Since the p-value is greater than the level of significance α=0.05, the null hypothesis is accepted. Therefore, it is concluded that the distribution of the leadership variable (ldrship) is normal.

Anderson-Darling Method:

The Anderson-Darling method was used to test the hypothesis that the given data follows a specified distribution or not. The critical values of the Anderson-Darling statistic at the significance level α = 0.05 for a normal distribution are given. The value of A2 for the given data set is 1.04, which is greater than the critical value of 0.768 at the 5% level of significance. Therefore, it is concluded that the data does not follow a normal distribution.

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The expression Q(t)=308(1.309) t
shows how the quantity Q is changing over time t. (a) What is the quantity at time t=0 ? Q(0)= (b) Is the quantity increasing or decreasing over time? Over time, the quantity is (c) What is the percent per unit time growth rate? NOTE: Express your answer as a negative or positive growth rate. Growth rate = % per unit time (d) Is the growth rate continuous?

Answers

The answers to the questions are as follows;

a). 308.

b). 1.309

c). 30.9%

d). Not continuous.

Exponential functions

As evident from the task content; the given expression is; Q(t)=308(1.309)^t.

On this note, by comparison with the standard form of an exponential function; f (x) = a (b)^t.

a = 308 and b = 1.309.

a). Hence, the quantity at time t = 0 is;

Q(0) = 308(1.309)⁰

Q (0) = 308.

b). Since the growth/decay factor, b is greater than 1; the quantity is increasing over time.

c). The percentage growth rate is; (1.309 - 1) × 100% = 30.9%.

d). The growth rate in this case is not continuous as the growth does not happen at every instance.

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Find [fog](x) and [gof](x), if they exist. State the domain and range for each.
5.f(x) = -3x1
g(x) = x +8

6. f(x) = 2x²-x + 1
g(x) = 4x + 3

Answers

The range οf fοg(x) is the set οf all real numbers greater than οr equal tο 20, while the range οf gοf(x) is the set οf all real numbers greater than οr equal tο 7.

What is Range?

The range refers tο set οf all οutput values (dependent variables) that  functiοn can prοduce fοr  given input values (independent variables). It represents cοmplete set οf values that  functiοn can generate.

5) Given f(x) = -3x+1 and g(x) = x+8, we can find the cοmpοsite functiοns fοg(x) and gοf(x) as fοllοws:

fοg(x) = f(g(x)) = f(x+8) = -3(x+8)+1 = -3x-23

gοf(x) = g(f(x)) = g(-3x+1) = -3x+1+8 = -3x+9

The dοmain οf bοth cοmpοsite functiοns is the set οf all real numbers, since there are nο restrictiοns οn the input values οf the functiοns. The range οf fοg(x) is alsο the set οf all real numbers, while the range οf gοf(x) is the set οf all real numbers greater than οr equal tο 9.

6)Given f(x) = 2x²-x+1 and g(x) = 4x+3, we can find the cοmpοsite functiοns fοg(x) and gοf(x) as fοllοws:

fοg(x) = f(g(x)) = f(4x+3) = 2(4x+3)²-(4x+3)+1 = 32x²+17x+20

gοf(x) = g(f(x)) = g(2x²-x+1) = 4(2x²-x+1)+3 = 8x²-4x+7

The dοmain οf bοth cοmpοsite functiοns is the set οf all real numbers, since there are nο restrictiοns οn the input values οf the functiοns. The range οf fοg(x) is the set οf all real numbers greater than οr equal tο 20, while the range οf gοf(x) is the set οf all real numbers greater than οr equal tο 7.

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Ryan is creating a new garden in his yard and he’d like to plant one palm tree and as many lilac bushes as he can fit within the boundaries of the garden. The total area required for a garden with a palm tree and different counts of lilac bushes is shown in the table below.

Number of
lilac bushes Area
(in sq ft)
1 442
2 484
3 526
4 568

Which of the following inequalities can be used to determine how many lilac bushes Ryan can plant if he has less than 1,200 square feet of available area in his backyard?
A.
42 + 400x < 1,200
B.
400 + 42x > 1,200
C.
400 + 42x < 1,200
D.
442 + 42x > 1,200

Answers

Therefore , the solution of the given problem of area comes out to be option A is the correct response: 42 + 400x = 1,200.

What precisely is an area?

Calculating how much space would be needed to fully cover the outside will reveal its overall size. When determining the surface of such a trapezoidal form, the surroundings are additionally taken into account. The surface area of something determines its overall dimensions. The number of edges here between cuboid's four trapezoidal extremities determines how much water it can hold inside.

Here,

let's use the variable x. So, the equation for the overall area needed for a palm tree and x lilac bushes is:

=> A(x) = 442 + 42x

Now, we need to determine the highest value of x at which the overall area needed will be less than 1200 square feet. To put it another way, we want to eliminate the inequality:

=>  A(x) < 1200

When we replace the equation with A(x), we obtain:

=>  442 + 42x < 1200

By taking 442 off of both ends, we arrive at:

=>  42x < 758

By dividing by the positive integer 42, we obtain:

=> x < 18

Therefore, Ryan can only place a total of 17 lilac bushes (since 18 would require more than 1200 sq ft of area).

=> 442 + 42x < 1200

which is equivalent to:

=>  42x < 758

or:

=>  x < 18

So, option A is the correct response: 42 + 400x = 1,200.

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A town has a population of 4000 and grows at 3. 5% every year. To the nearest year, how long will it be until the population will reach 7500?

Answers

It will take about 22 years for the population to reach 7500

Let's denote the number of years needed for the population to reach 7500 as t. Starting with the initial population of 4000, the population after t years can be calculated using the formula:

P(t) = P(0) * [tex](1+r)^{t}[/tex]

where P(0) is the initial population (4000), r is the annual growth rate (3.5% or 0.035), and P(t) is the population after t years.

We want to solve for t when P(t) = 7500.

So we have:

7500 = 4000 * [tex](1+0.035)^{t}[/tex]

Dividing both sides by 4000, we get:

1.875 = [tex](1.035)^{t}[/tex]

Taking the natural logarithm of both sides, we get:

ln(1.875) = t * ln(1.035)

Solving for t, we get:

t = ln(1.875) / ln(1.035) ≈ 21.8

Rounding to the nearest year, we get t ≈ 22.

Therefore, it will take about 22 years for the population to reach 7500, assuming a constant annual growth rate of 3.5%.

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To get Daredevil Danny through the Flaming Hoop Jump of Awesome, you will need to know the values

of a, b, and c, which are the coefficients of the quadratic equation in standard form.

a) What is the equation for a parabola in standard form? (5 points)

b) Describe how to convert from vertex form to standard form. (10 points

Answers

The equation is y = ax² + bx + c,  standard form of the parabola is y = ax² + bx + c.

The equation for a parabola in standard form is given by:

y = ax² + bx + c

where a, b, and c are constants and x and y are variables.

To convert from vertex form to standard form, you can follow these steps:

Expand the squared term in the vertex form to get the x² term in standard form. For example, if the vertex form is:

y = a(x - h)² + k

then expand (x - h)² to get x² - 2hx + h², giving:

y = a(x² - 2hx + h²) + k

Distribute the 'a' term to get the coefficient of x². This gives:

y = ax² - 2ahx + ah² + k

Combine the constant terms to get the constant coefficient. This gives:

y = ax² - 2ahx + (ah² + k)

Therefore, the standard form of the parabola is y = ax² + bx + c, where:

a = the coefficient of x², which is a

b = the coefficient of x, which is -2ah

c = the constant term, which is (ah² + k)

                             

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I need help with this, can anyone help?

Answers

The above proof is given as follows;

FG ≅ HI - Given

FG ║ HI - Given
∠FHI ≅ ∠GFH - Alternate angles

FH ≅ FH - Reflexive Property

ΔFGH ≅ ΔHIF - Side-Angle-Side Postulate
FI ≅ GH - Definition of parallelogram.

What are the properties of a parallelogram?

A parallelogram is a four-sided figure with opposite sides parallel and congruent. Here are the properties of a parallelogram:

Opposite sides are parallel: The opposite sides of a parallelogram are parallel to each other. That is, they never meet even if extended infinitely.Opposite sides are congruent: The opposite sides of a parallelogram are of equal length.Opposite angles are congruent: The opposite angles of a parallelogram are of equal measure.Consecutive angles are supplementary: The consecutive angles of a parallelogram add up to 180 degrees.Diagonals bisect each other: The diagonals of a parallelogram intersect at their midpoint. That is, the line segment joining the midpoint of the two diagonals is half the length of the diagonal.Each diagonal divides the parallelogram into two congruent triangles: The two diagonals of a parallelogram divide it into four congruent triangles.

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Prove AB is congruent to BC given BE bisects DBC and BE is parallel to AC

Answers

AB is congruent to BC given BE bisects DBC and BE is parallel to AC is proved .

What is congruent ?

Congruent refers to having the same shape and size. In mathematics, two objects are said to be congruent if they are identical in shape and size, and can be superimposed onto one another. The symbol used to represent congruence is ≅. Congruence applies to various geometric objects, such as triangles, rectangles, circles, and more. When two objects are congruent, they have all corresponding angles equal and all corresponding sides equal in length.

Step 1: Statement: [tex]$\angle DBE = \angle EBC$[/tex]

Reason: Given that overline BE bisects [tex]$\angle DBC$[/tex]

Step 2: Statement: [tex]$\angle DBC + \angle EBC = 180^\circ$[/tex]

Reason: Angle sum property of a straight line.

Step 3: Statement: [tex]$\angle ABC + \angle EBC = 180^\circ$[/tex]

Reason: Angles on a straight line sum to [tex]180^\circ$, and $\overline{BE} || \overline{AC}$[/tex] implies that [tex]\angle ABC$ and $\angle EBC$[/tex] are co-interior angles.

Step 4: Statement: [tex]$\angle ABC = \angle DBC$[/tex]

Reason: From step 2 and step 3, [tex]$\angle ABC + \angle EBC = \angle DBC + \angle EBC = 180^\circ$[/tex]. Thus, [tex]$\angle ABC = \angle DBC$[/tex].

Step 5: Statement: [tex]$\triangle ABE \cong \triangle CBE$[/tex]

Reason: By the angle-angle-side congruence criterion, since [tex]$\angle DBE = \angle EBC$[/tex] (from step 1) and [tex]$\angle ABC = \angle DBC$[/tex] (from step 4), and [tex]$\overline{BE}$[/tex] is common to both triangles.

Step 6: Statement: [tex]$AB = BC$[/tex]

Reason: By step 5, [tex]$\triangle ABE \cong \triangle CBE$[/tex], so corresponding sides are congruent, including [tex]$\overline{AB} \cong \overline{BC}$[/tex].

Therefore, AB is congruent to BC given BE bisects DBC and BE is parallel to AC is proved .

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-1/8y (is less than or equal to) 34

Solve for y

Answers

The sοlutiοn tο the inequality -1/8y ≤ 34 is equals tο  y ≥ -27²

What is Algebraic expressiοn ?

Algebraic expressiοn can be defined as cοmbinatiοn οf variables and cοnstants

Given expressiοn -1/8y (is less than οr equal tο) 34 ,

Tο sοlve fοr y in the inequality -1/8y ≤ 34, we can start by isοlating y οn οne side οf the inequality sign.

Multiplying bοth sides by -8 (and flipping the inequality sign since we're multiplying by a negative number) gives:

y ≥ -8 * 34

y ≥ -27²

Therefore, the solution to the inequality -1/8y ≤ 34 is equals to  y ≥ -27²

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in comparing two different regression models that were developed using the same data, we might say that the model with the higher r 2 value will provide the most accurate prediction. is this true? why or why not?

Answers

Yes, this is true. The R-squared value indicates how much of the variability of the data can be explained by the model. A higher R-squared value indicates that more of the variability of the data can be explained by the model, thus making the predictions more accurate.



To understand the concept better, let's consider an example. Suppose you have a model that predicts the price of a house based on its location, size, and other factors. Model A has an R-squared value of 0.7, while Model B has an R-squared value of 0.9. This means that Model B can explain more of the variability of the data than Model A, making it the more accurate predictor of the house price.



Additionally, the higher R-squared value of the model can also be an indication of the model's ability to generalize. If the model has a high R-squared value, it is likely that it can be applied to new data and still provide an accurate prediction. On the other hand, if the model has a low R-squared value, it may be difficult to apply it to new data and obtain accurate predictions.

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Quadrilateral FGHJ is similar to quadrilateral WXYZ. The lengths of the sides of FGHJ are 12, 30, 18, and 24. If FJ=24 and WZ=34, what is the perimeter of quadrilateral WXYZ ?

Answers

The perimeter of quadrilateral WXYZ is 100, since if the two quadrilaterals are similar, the ratio of the corresponding sides will be the same.

Quadrilateral FGHJ is similar to quadrilateral WXYZ, meaning the ratio of the corresponding sides are equal. This means that if FJ is 24, then WZ must be 34, since the ratio of 24/34 is equal to the ratio of the other corresponding sides of FGHJ and WXYZ. To find the perimeter of WXYZ, we can find the lengths of the other sides. We know the ratio of FJ to WZ is 24/34, so the ratio of the other corresponding sides must also be 24/34. This means that the other sides of WXYZ must be 40, 80, 60, and 20. Adding these up gives us a perimeter of 100 for quadrilateral WXYZ.

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For each of the following​ z-test statistics, compute the​
p-value assuming that the hypothesis test is a​one-tailed test.
a. Z=1.98
B. Z=2.49
C. z=-1.02

Answers

Answer:

a. Z=1.98

Assuming a one-tailed test, we need to find the area to the right of the Z-score in the standard normal distribution table. The p-value can be calculated as:

p-value = 1 - P(Z ≤ 1.98)

Using a standard normal distribution table, we can find that the area to the left of 1.98 is 0.9761. Therefore,

p-value = 1 - 0.9761 = 0.0239

b. Z=2.49

Assuming a one-tailed test, we need to find the area to the right of the Z-score in the standard normal distribution table. The p-value can be calculated as:

p-value = 1 - P(Z ≤ 2.49)

Using a standard normal distribution table, we can find that the area to the left of 2.49 is 0.9934. Therefore,

p-value = 1 - 0.9934 = 0.0066

c. z=-1.02

Assuming a one-tailed test, we need to find the area to the left of the Z-score in the standard normal distribution table. The p-value can be calculated as:

p-value = P(Z ≤ -1.02)

Using a standard normal distribution table, we can find that the area to the left of -1.02 is 0.1562. Therefore,

p-value = 0.1562

98 is what percent of 56?

Enter your answer in the box.

( )%

Answers

Answer:

175%

Step-by-step explanation:

We take

98 divided by 56, time 100 = 175%

So, 98 is 175% of 56

HELP ASAP
i will mark you brainleast (30 points)
graphing quadratic functions in vertex form
*please answer correctly*

Answers

Answer:

y= -x^2

vertex:  (0, 0)

a= -1

domain:  (-∞, ∞)

range:  (-∞, 0]

axis of symmetry:  y-axis (x = 0)

increasing on:  (-∞, 0)

decreasing on:  (0, ∞)

y= (x-2)^2-3

vertex: (2, -3)

a = 1

vertical shift:  shift of 3 units downwards from the origin

horizontal shift:  2 units to the right

width: 1

reflected? nope

y= (x-1)^2-2  

vertex:  (1, -2)

a= 1

domain: all real numbers

range:   y ≥ -2

axis of symmetry:  x = 1

increasing on:   (-∞, 1]

decreasing on:   [1, ∞)

y = (x+1)^2+2

vertex:  (-1, 2)

a = 0

vertical shift:  2 units upwards from the origin

horizontal shift:  1 unit to the left

width:  infinite

reflected? no

Coins are placed into a treasure chest, and each coin has a radius of 1.2 inches and a height of 0.0625 inches. If there are 250 coins inside the treasure chest, how many cubic inches of the treasure chest is taken up by the coins? Round to the nearest hundredth and approximate using π = 3.14.

0.28 in3
70.65 in3
117.75 in3
282.60 in3

Answers

70.65 cubic inches of the treasure chest is taken up by the coins. Option B is the correct option.

What is π in math?

The ratio of a circle's diameter to its circumference, or "pi," is a mathematical constant that is roughly equal to 3.14159 (/pa/; also written as "pi"). Numerous mathematical and physics formulas contain the number. It is an irrational number, meaning that although fractions like 22/7 are frequently used to approximate it, it cannot be expressed exactly as a ratio of two integers.

Given that the radius of a coin is 1.2 inches and the height of the coin is  0.0625 inches.

The shape of the coin is a cylindrical in shape.

The volume of a cylinder is ∏r²h, where r is the radius of the coin and h is the height.

The volume of a coin is 3.14×1.2²×0.0625 = 0.2826  in³.

The number of coins is 250.

Multiply 250 by 0.2826 in³ to find the volume of 250 coins:

250×0.2826 in³ = 70.65 in³

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Help me get the answer

Answers

The equation for the given downward parabola is:

 y = -x²+1

What is a parabola?

Any point on a parabola is located at an equal distance from both a fixed point and a fixed straight line. It is a U-shaped plane curve. The parabola's fixed line and fixed point are together referred to as the directrix and focus, respectively. The topic of conic sections includes a parabola, and all of its principles are discussed here. A parabola's general equation is either y = a(x-h)² + k or x = a(y-k)²+ h, where (h,k) signifies the vertex.

The given graph is a downward parabola.

The parabola equations are second-degree equations.

So we can eliminate options 1 and 2.

Now we can substitute the coordinate values and check for the correct equation.

One of the points on the parabola is (2,-3).

Taking equation y = -x²+1

y = -2²+1 = -4+1 = -3

Let us check for one more point.

Taking the point (-1,0).

y = -(-1)²+1 = -1+1 = 0

Therefore the equation for the given downward parabola is:

 y = -x²+1

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Please help explain this

Answers

The probability of rolling anything but a 1 is 1, which means that rolling a 1 is impossible with this die.

what is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain.

We are given that the die has the following properties:

Probability of rolling 6, 3, or 2 on any roll is 1/2.

Probability of rolling 2, 5, or 4 on any roll is 1/2.

Probability of rolling 2 on any roll is 3/8.

Let's use these properties to answer the given questions:

(a) To find the probability of rolling either a 6, a 3, or a 1, we need to first find the probability of rolling a 1. We know that the probability of rolling either a 6, a 3, or a 2 is 1/2, so the probability of not rolling any of these numbers on a given roll is also 1/2. Similarly, the probability of not rolling either a 2, a 5, or a 4 is also 1/2.

Therefore, the probability of rolling a 1 is:

P(rolling a 1) = 1 - P(not rolling any of 6, 3, 2) - P(not rolling any of 2, 5, 4)

= 1 - (1/2) - (1/2)

= 0

Since the probability of rolling a 1 is 0, the probability of rolling either a 6, a 3, or a 1 is the same as the probability of rolling either a 6 or a 3, which is 1/2. Therefore:

P(rolling either a 6, a 3, or a 1) = 1/2

(b) To find the probability of rolling anything but a 1, we can subtract the probability of rolling a 1 from 1. Since we already know that the probability of rolling a 1 is 0, the probability of rolling anything but a 1 is:

P(rolling anything but a 1) = 1 - P(rolling a 1)

= 1 - 0

= 1

Therefore, the probability of rolling anything but a 1 is 1, which means that rolling a 1 is impossible with this die.

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Who can help me! Please find the correct answer = brainiest answer

The width of a rectangle measures (9. 8g-4. 5h) centimeters, and its length measures (1. 5g-3. 4h) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?

Answers

The expression that represents the perimeter of the rectangle is 22.6g - 15.8h.

The formula for the perimeter of a rectangle is:

Perimeter = 2(Length + Width)

We are given expressions for the width and length of the rectangle, so we can substitute these expressions into the formula to get an expression for the perimeter:

Width = 9.8g - 4.5h

Length = 1.5g - 3.4h

Perimeter = 2(Length + Width)

Perimeter = 2((1.5g - 3.4h) + (9.8g - 4.5h))

Now, we can simplify the expression by distributing the 2 to both terms inside the parentheses:

Perimeter = 2(1.5g - 3.4h) + 2(9.8g - 4.5h)

Perimeter = 3g - 6.8h + 19.6g - 9h

Finally, we can combine like terms to get the final expression for the perimeter:

Perimeter = 22.6g - 15.8h

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opposite figure In the : BM bisects ABC and CM bisects ACB If m (ZA) = 80°, Find : m (Z EMD) ​

Answers

Answer:

Without a figure, it is difficult to give a precise answer. Could you please provide a diagram or a more detailed description of the figure?

Step-by-step explanation:

Question 6 of 10
The product of two rational numbers:
A is a rational number.
B. cannot be determined without more information.
O c. is an irrational number.
D. is undefined.

Answers

Answer:

  A.  is a rational number.

Step-by-step explanation:

You want to know whether a product of rational numbers is rational.

Product

You know that the product of fractions is ...

  [tex]\dfrac{a}{b}\times\dfrac{c}{d}=\dfrac{ac}{bd}[/tex]

where a, b, c, d are integers.

A rational number can always be expressed as the ratio of two integers. The product of any two integers is an integer, so the product of any two rational numbers is rational.

Find the surface area of the cylinder in terms of π
A) 32π m^2
B) 64π m^2
C) 80π m^2
D)96π m^2

Answers

The surface area of a cylinder can be calculated using the formula S = 2πrh + 2πr2, where r is the radius of the cylinder, and h is its height. the surface area of the cylinder is 96π m2, making the answer D) 96π m2.

In this case, the radius is 8m and the height is 4m. Plugging these values into the formula yields S = 2π(8)(4) + 2π(82), which simplifies to S = 64π + 64π, or S = 96π m2. Therefore, the answer is D) 96π m2.

The surface area of a cylinder is the total area of the two circular ends and the curved sides. To calculate the surface area, we need to know the radius, r, of the cylinder and its height, h. The formula to find the surface area of a cylinder is S = 2πrh + 2πr2. In this problem, the radius is 8m and the height is 4m. Plugging these values into the formula, we get S = 2π(8)(4) + 2π(82). Simplifying this expression, we get S = 64π + 64π, which can be further simplified to S = 96π m2. Therefore, the surface area of the cylinder is 96π m2, making the answer D) 96π m2.

S = 2π(8)(4) + 2π(82)

 = 64π + 64π

 = 96π m2

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What regression equation best fits with a Precalculus lab determining how many beads fit in a cone at certain distances?

Answers

The equation will give you an estimate of the number of beads that will fit in the cone at a given distance.

What is linear equation?

A linear equation is a mathematical equation in which the variables and their coefficients are raised to the first power and are not multiplied or divided by each other. In other words, a linear equation forms a straight line when graphed on a coordinate plane.

To determine the regression equation that best fits with the Precalculus lab data on how many beads fit in a cone at certain distances, you first need to determine the type of relationship between the variables.

If the relationship is linear, you can use a simple linear regression model of the form:

y = mx + b

where y is the dependent variable (i.e., the number of beads that fit in the cone), x is the independent variable (i.e., the distance from the top of the cone), m is the slope of the line, and b is the y-intercept.

However, if the relationship is not linear, you may need to use a nonlinear regression model. One common nonlinear model for this type of data is the power law model:

y = a[tex]x^{b}[/tex]

where a and b are parameters that need to be estimated from the data.

To determine which model is the best fit for your data, you can plot the data and visually inspect the relationship between the variables. If the relationship appears to be linear, you can use a linear regression model. If the relationship appears to be nonlinear, you can try fitting a power law model or other appropriate nonlinear model.

Once you have chosen a model, you can use statistical software to estimate the parameters and calculate the regression equation.

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Consider a small shop with only one checkout counter. The arrivals of customers are distributed throughout the day such that a line rarely forms at the counter. Suppose the arrival times of customers at the counter follows the Exponential Distribution: X Exp(0.4). 0.4 0.3 0.2 0.1 0.0 0.0 2.5 5.0 7.5 10.0 12.5 15.0 х a. What is the mean time (in minutes) between customers? u = b. Determine the following probability. P(2 < X < 10) Suppose X ~ Exp(0.25). Determine the following probabilities. (Include four decimal places.) Note: This is a challenging problem. a. P(X > 5) = b. P(X < 3) = C. P(X > 7X > 5) = Suppose X ~ U(2, 7). Determine P(X > 6 | X > 5). Note: This is a very challenging problem.

Answers

For the exponential distribution in question, Mean time (in minutes) between customers, is 2.5 minutes and P(2 < X < 10) for X ~ Exp(0.25)

The arrival times of customers at the counter are given as follows the Exponential Distribution: X Exp(0.4), we have the following questions to solve: We know that P(a < X < b) = F(b) - F(a) for X ~ Exp(λ)and the cumulative distribution function (CDF) of Exponential distribution is given as:

The mean time u =1/λ = 1/0.4 = 2.5

F(x) = 1 - e^(-λx). Therefore, P(2 < X < 10) = F(10) - F(2) = [1 - e^(-0.25*10)] - [1 - e^(-0.25*2)] = e^(-0.25*2) - e^(-0.25*10) ≈ 0.018a) P(X > 5) for X ~ Exp(0.25)P(X > 5) = 1 - P(X < 5) = 1 - F(5) = 1 - [1 - e^(-0.25*5)] = e^(-0.25*5) ≈ 0.082b) P(X < 3) for X ~ Exp(0.25)P(X < 3) = F(3) = 1 - e^(-0.25*3) ≈ 0.427c) P(X > 7 | X > 5) for X ~ Exp(0.25)

We know that P(A | B) = P(A and B)/P(B)

Therefore, P(X > 7 | X > 5) = P(X > 7 and X > 5)/P(X > 5) = P(X > 7)/P(X > 5) = (1 - F(7))/(1 - F(5)) = (1 - e^(-0.25*7))/(1 - e^(-0.25*5)) ≈ 0.4

Suppose X ~ U(2, 7). We have to determine P(X > 6 | X > 5). Given X ~ U(2, 7), we know that P(X > 6 | X > 5) = P(X > 6 and X > 5)/P(X > 5) = P(X > 6)/(1 - P(X ≤ 5))

Let's calculate P(X > 6)P(X > 6) = 1 - P(X ≤ 6) = 1 - (6 - 2)/(7 - 2) = 3/5P(X ≤ 5) = (5 - 2)/(7 - 2) = 3/5

Therefore, P(X > 6 | X > 5) = (3/5)/(1 - 3/5) = 3

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An operator in the plant receives a monthly salary. His tent, which is $849, is exactly | of his pay. What is his total pay per month? $

Answers

The operator's total pay per month is $6712.

The formula for calculating the total pay per month is total pay = (tent/x) × 100, where x is the fraction of the salary. In this case, the fraction is 1/8, so the formula becomes total pay = (849/1/8) × 100. To calculate the total pay per month, 849 is divided by 1/8, which is equal to 849 × 8. The result is 6712, which is the total pay per month.

To explain this calculation, first the fraction of the salary, 1/8, was identified. Then the formula was written, with the known tent amount of 849. To solve the equation, 849 was divided by 1/8, which is equal to 849 × 8. The result was 6712, the total pay per month.

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Five men take 45 hours to build a wall. How long will it take 9 men working at the same place to build the same wall?

Answers

Answer:

45 ÷ 5 = 9

9 × 9 = 81

it will take them 81 hours

Use the given table to evaluate each expression in parts (a) through (d), if possible. (a) (f+g)(2) (b) (f-g)(4) (c) (fg)(-2) (d) ((f)/(g))(0)

Answers

Evaluated each expressiοn in parts

(a) (f+g)(2) = 4

(b) (f-g)(4) = 3

(c) (fg)(-2) = -3

(d) ((f)/(g))(0) = 2

What is Table?  

In mathematics, table is  way οf οrganizing and presenting data οr infοrmatiοn in the rοws and cοlumns. Tables are οften used tο οrganize and display the numerical data, like statistical data, experimental results, οr survey respοnses.

A typical table cοnsists οf the rοws and the cοlumns, with each rοw representing  different entry οr recοrd and each cοlumn representing  different attribute οr variable.

(a) (f+g)(2):

Tο evaluate this expressiοn, we need tο find the values οf f+g at x=2. Frοm the table, we have:

f(2) = 1

g(2) = 3

Sο, (f+g)(2) = f(2) + g(2) = 1 + 3 = 4

Therefοre, (f+g)(2) = 4.

(b) (f-g)(4):

Tο evaluate this expressiοn, we need tο find the values οf f-g at x=4. Frοm the table, we have:

f(4) = 5

g(4) = 2

Sο, (f-g)(4) = f(4) - g(4) = 5 - 2 = 3

Therefοre, (f-g)(4) = 3.

(c) (fg)(-2):

Tο evaluate this expressiοn, we need tο find the value οf fg at x=-2. Frοm the table, we have:

f(-2) = 3

g(-2) = -1

Sο, (fg)(-2) = f(-2) * g(-2) = 3 * (-1) = -3

Therefοre, (fg)(-2) = -3.

(d) ((f)/(g))(0):

Tο evaluate this expressiοn, we need tο find the value οf f/g at x=0. Frοm the table, we have:

f(0) = 2

g(0) = 1

Sο, (f/g)(0) = f(0) / g(0) = 2 / 1 = 2

Therefοre, ((f)/(g))(0) = 2.

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Mr Bosoga received a share of 15 boxes of cremora from a stokvel during December 2022 she has a family of four including herself each family member uses an average of 16g cremora per day which is equivalent to four sachets mr Bosoga claims that all 15 boxes should be enough to last a year of 365days determine the total number of kilograms from 15 boxes​

Answers

If 15 boxes of the Cremora received during December 2022, should be enough to last a year for the family of four, the total number of kilograms is 23.36 kg.

How is the total number determined?

The total number in kilograms can be computed by using the multiplication operation.

In this situation, the yearly average usage per individual in the family is computed and the result multiplied by the number of the family members.

The number of family members = 4

The average usage of the Cremora = 16 g per day

The average usage of the Cremora per person per 365 days = 5.84 kg (0.016 x 365)

Thus, the total number of kilograms from the 15 boxes of Cremora is 23.36 kg (5.84 kg x 4).

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Luke is going to rent an apartment in Hillwood, where other monthly expenses will sum up to 2000. Luke makes 7645 each month.

Write the inequality for the possible amounts of money Luke can spend renting his apartment in Hillwood in order for Luke to have some money left over each month.


Use x to represent the cost of the rent in Hillwood and don't use the $ symbol in the inequality.

Answers

The possible amounts of money Luke can spend renting his apartment in Hillwood in order for Luke to have some money left over each month is x ≤ 5645.

What is inequality ?

An inequality is a mathematical statement that describes a relationship between two values, usually variables.

Luke's monthly income is $7645 and his other monthly expenses are $2000. Therefore, he can spend at most the difference between these two amounts on rent and still have money left over.

Let's use x to represent the cost of the rent in Hillwood.

So the inequality is:

x ≤ 7645 - 2000

Simplifying,

x ≤ 5645

Therefore, the possible amounts of money Luke can spend renting his apartment in Hillwood in order for Luke to have some money left over each month is x ≤ 5645.

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The surface of a table to be built will be in the shape shown below. The distance from the center of the shape to the center of each side is 10.4 inches and the length of each side is 12 inches.

A hexagon labeled ABCDEF is shown will all 6 sides equal in length. ED is labeled as 12 inches. A perpendicular is drawn from the center of the hexagon to the side ED. This perpendicular is labeled as 10.4 inches.

Part A: Describe how you can decompose this shape into triangles. (2 points)

Part B: What would be the area of each triangle? (5 points)

Part C: Using your answers above, determine the area of the table's surface. (3 points)

Answers

By answering the presented question, we may conclude that 6 * 36 function square inches equals 216 square inches.

what is function?

Mathematicians examine numbers and their variations, equations and associated structures, forms and their locations, and prospective positions for these things. The term "function" refers to the relationship between a collection of inputs, each of which has a corresponding output. A function is a connection of inputs and outputs in which each input leads to a single, identifiable outcome. Each function is assigned a domain, a codomain, or a scope. The letter f is widely used to denote functions (x). The symbol for entry is an x. The four primary types of accessible functions are on functions, one-to-one capabilities, so multiple capabilities, in capabilities, and on functions.  

Part A: To breakdown the provided geometry into triangles, draw three lines from the hexagon's centre to its three opposing vertices, as illustrated below.

Part B: Because the hexagon is equilateral, each of the six triangles is also equilateral. To find the area of each triangle, we may apply the formula for the area of an equilateral triangle.

[tex](\sqrt(3)/4) * a2 = Area[/tex]

 A

        /\

       /  \

  G   /____\   B

      \    /

       \  /

        \/

        F

[tex](\sqrt(3)/4) * 122 = 36\sqrt(3)[/tex] square inches

Part C: Since the hexagon is split into six congruent triangles, its total area is six times that of one triangle. As a result, the table's surface area is:

6 * 36 square inches equals 216 square inches.

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