What i the 8th term in the arithmetic equence defined by the explicit formula an=6n−4?

Answer: To solve the equation 2X = X + 5, we can start by isolating X on one side of the equation by subtracting X from both sides:

2X - X = X + 5 - X

X = 5

Therefore, X = 5 is the solution of the equation 2X = X + 5.

Step-by-step explanation:

The solution for x in the equation 2x = x + 5 is obtained by isolating the variable x, leading to the answer x = 5.

To solve for x in the equation 2x = x + 5, you need to isolate x. Start by subtracting x from both sides of the equation to get 2x - x = x + 5 - x which simplifies to x = 5.

The procedure used here is a standard method in algebra known as isolating the variable. This means the objective is to get the variable (x in this case) alone on one side of the equation.

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The exponential function that represents the table that is given will be A. f(x) = 6(2)^x.

When when x is 6, the value of the function will be A. 384.

It should be noted that in Mathematics, the function simply shows the relationship between the variables that are given.

Based on the table, the exponential function that represents the table that is given will be A. f(x) = 6(2)^x.

In this case, when x is 6, the value of the function will be:

= 6 × 2^x

= 6 × 2^6

= 6 × 64

= 384

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689,323,148 is 100,000 less than 689,423,148 in the given comparison.

Comparing the digit count is important. Indicating a larger number is the presence of additional digits. We should compare the highest place values, or the digit that is farthest to the left of the numbers, if the number of digits in both numbers is the same.

Compare the amount of digits. A higher number is indicated by more digits. The higher place values should be compared if the number of digits is the same. The next place value to the right should be compared if the digits at the highest place value are the same.          

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The cubic function with the zeros x = -3, x = 0 and x = 1 is given as follows:

y = x³ + 2x² - 3x.

We are given the zeros of the function, hence the function is defined using the Factor Theorem, as a product of the linear factors of the function.

The zeros of the function are given as follows:

Then the linear factors are given as follows:

Considering a leading coefficient of 1, the function is defined as follows:

y = x(x + 3)(x - 1)

y = x(x² + 2x - 3)

y = x³ + 2x² - 3x.

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Answer:

1. 12x

2. 21x

3. 14y+6x

4. 28x+20y

Step-by-step explanation:

The answer to the question can be calculated by using the average formula.

The average of a set of numbers is calculated by adding all of the numbers together and dividing the sum by the number of numbers in the set. In this case, the five alepeople earned a total of $176,506, and when divided by 5, the average annual income comes to $35,516.

To calculate the fifth aleperson's income, we subtract the income of the first four alepeople from the total income earned, $176,506. Subtracting the income of the first four alepeople, $36,230 + $34,500 + $38,250 + $33,000, gives us a remaining total of $24,026. When we divide this remaining total by 1, the average annual income for the fifth aleperson comes to $24,026.

Therefore, the fifth aleperson earned an annual income of $24,026. This can be expressed using the formula (total income – (income of aleperson 1 + income of aleperson 2 + income of aleperson 3 + income of aleperson 4)) / number of alepeople = income of fifth aleperson. In this case, (176,506 – (36,230 + 34,500 + 38,250 + 33,000)) / 1 = 24,026.

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[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\mathbb{R}50000\\ r=rate\to 0.5\%\to \frac{0.5}{100}\dotfill &0.005\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{per annum, thus once} \end{array}\dotfill &1\\ t=years\dotfill &20 \end{cases}[/tex]

[tex]A = 50000\left(1+\frac{0.005}{1}\right)^{1\cdot 20}\implies A=50000(1.005)^{20} \implies \boxed{A \approx 55244.78} \\\\\\ 55244.78~~ - ~~50000 ~~ \approx ~~ \stackrel{earned~interest}{\boxed{5244.78}}[/tex]

If the triangle has sides with lengths of 49 cm, 68 cm, and 92 cm , then the triangle is not a Right Triangle .

If the Triangle is a right triangle , then the sides of the triangle should satisfy the Pythagoras Theorem which states that the sum of the square of two smaller sides is equal to square of longest side(hypotnuse) .

that means ⇒ (Hypotnuse)² = (Perpendicular)² + (Base)² ;

Substituting the longest value as 92 and other values as 49 and 68 ,

we get ;

⇒ 92² = 49² + 68² ;

⇒ 8464 = 2401 + 4624 ;

⇒ 8464 ≠ 7025 .

the sides 49 cm, 68 cm, and 92 cm do not satisfy Pythagoras theorem ,

Therefore , the side lengths do not form a Right Triangle .

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If Kylie invested $2800 for interest rate of 5(1/2)% compounded annually and Ariana invested $2800 at rate of  5(3/4)% compounded continuously , then  after 12 yrs Ariana would have $259.023 more than Kylie.

We have to find the difference in amount of money in the Kylie and Ariana's accounts after 12 years, we need to calculate the value of each investment after 12 years .

For Kylie's investment:

The formula for calculating the future value of a sum invested at a interest rate compounded annually is:

Value = Principle × (1 + r)ⁿ

Where:

Amount invested (P) = 2800 ;

r = interest rate = 5(1/2)% = 11/2% = 5.5% = 0.055  ;

n (time) = 12 years

⇒ Value = $2800 ×  (1 + 0.055)¹²

= $2800 ×(1.055)¹²

= $5323.38 .

For Ariana's Investment , the rate is compounded continuously ;

the future value can be calculated by using exponential function ;

Value = 2800 × e^(rt) ;

Where: initial investment = 2800 ;

r = interest rate = 5(3/4)% = 23/4% = 5.75% = 0.0575  and

n (time) = 12 ;

⇒ Value = $2800 × e^(0.0575×12)  

= $5582.403  .

Therefore , After 12 years Ariana would have $5582.403 and Kylie would have $5323.38, Ariana would have $259.023 more than Kylie.

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The mathematical model of communication would classify this issue as channel capacity.

The greatest quantity of data that can be transferred error-free across a communication channel, such as a mobile phone network, is represented by the channel capacity. In this instance, the phone's battery power determines the channel capacity. As the battery depletes, the phone's ability to send and receive information declines, making it impossible to hear the person on the other end of the line.

Communication models are streamlined depictions of the communication process. Most models attempt to explain both verbal and nonverbal communication, and frequently regard it as a message-exchange. Their purpose is to provide a concise picture of the intricate communication process.

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The proportion of variation that the regression line can account for is indicated by the coefficient of determination.

56.44% of the variation cannot be explained by the provided regression line. The correlation coefficient for the question is R = - 0.66.

From the provided R value, the Coefficient of determination, R2, can be calculated.

R2 = - 0.662 = 0.4356.

This implies that, the percentage of variation that can be explained is equal to (0.4356) x 100%, or 43.56%.

100% - 43.566% = 56.446% is the percentage of variation that cannot be explained.

As a result, 56.44% of the variation in y cannot be explained.

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The area of figures 1 and 2 will be 438 square yards and 110 square inches, respectively

The quantity area demonstrates the amount of a sector on a planar or hemispherical cup. Surface area refers to the area of an open surface or the border of a multi-object, whereas the area of a plane region or plane field refers to the area of a form or planar material.

1.  The area of figure 1 is given as,

A = Sum of area of (Trapezoid + Rectangle + Rectangle)

A = 1/2 x (6 + 8) x 10 + 8 x 36 + 10 x 8

A = 70 + 288 + 80

A = 438 square yd

2.  The area of figure 2 is given as,

A = Area of a triangle - Area of a rectangle

A = 1/2 x (8 + 7) x (10 + 14) - 7 x 10

A = 180 - 70

A = 110 square inches

The area of figures 1 and 2 will be 438 square yards and 110 square inches, respectively

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Helicopters would fit in either container is 1 and total weight is 4 pound.

What is Linear system of inequality?

At least two linear inequalities in the same variables make up a system of linear inequality in two variables. The graph of a linear inequality is the graph of all solutions to the system, and the solution of a linear inequality is the ordered pair that resolves all inequalities in the system.

With the exception of the inequality symbol, a linear inequality is nearly identical to a linear equation.

Three basic categories of economic disparity exist:

Let 'x' represent the number of helicopters per box.

3x+14=4x+13

We move all terms to the left:

3x+14-(4x+13)=0

We get rid of parentheses

3x-4x-13+14=0

We add all the numbers together, and all the variables

-1x+1=0

We move all terms containing x to the left, all other terms to the right

-x=-1

x=-1/-1

x=1

Hence, Helicopters would fit in either container is 1 and total weight is 4 pound.

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If we are interested in the number of customers in the two queues that will form for the counters, we would take all the ordered pairs in the form of (x,y) as sample space.

The suitable sample space for the number of customers in the two queues formed in the post office should be the set of all possible combinations of the number of customers in each queue formed. This can be represented in the form of a set of ordered pairs, in which the first element of the ordered pair would represent the number of customers in the first queue and the second element of the same ordered pair would represent the number of customers in the second queue.

For example, if we consider a maximum of 15 customers in the first queue and a maximum of 20 customers in the second queue, the sample space would consist of all the ordered pairs in the form of (x,y),

where x will represent the possible number of customers in the first queue ranging from 0 to 15

and y will represent the possible number of customers in the second queue ranging from 0 to 20.

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If an equation isn't in the y is mx + b form, we can still find the intercepts by substituting 0 where necessary and solving for the remaining variable.

When y = 0, we solve the equation for x to determine the x-intercept. The line crosses the x-axis at y=0, explaining this. If an equation isn't in the y = mx + b form, we can still find the intercepts by substituting 0 where necessary and solving for the remaining variable.

With x = 0, solve for y to determine the y-intercept.

Utilizing the given points, determine the slope.

In the expression for the line, y = mx + c, include the slope's value.

Now solve the equation y = mx + c to determine the value of c using the values of any of the supplied locations.

Place y = 0 in y = mx + c to determine the x-intercept.

Place x = 0 in y = mx + c to determine the y-intercept.

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Speed is calculated by dividing distance by time. Here Sam is cycling at a speed of 15 km/h and Dwight at a speed of 12km/h. So Sam cycles faster.

Speed is the rate of change in distance. so it is calculated using distance/time. Here the distance is in km and time is in minutes. The unit of distance is either m/s or km/h. So we have to do conversions first.

Lets convert the minutes to hours.

Sam cycles for 20 minutes. So 20 min = 20/60 h = 0.33 h

Dwight cycles 30 minutes. So 30 min = 30/60 h = 0.5 h

Now lets calculate the speed.

Speed Sam cycles = 5 km/ 0.33 h = 15 km/h

Speed Dwight cycles = 6 km/0.5 h = 12 km/h.

So Sam is faster than Dwight.

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Option B is correct :- n ÷ 3

The given verbal expression is " the quotient of a number and 3."

We have to convert this verbal expression to algebraic expression.

The quotient of a number and 3, represents the division between an unknown number and the number 3.so the possible answer is n ÷ 3.

Here "Quotient" means "Division"

Let "n" be a number and it is divided by 3.

So,

we can write "the quotient of n and 3" as n÷3.

Algebraic expression

An algebraic expression in mathematics is an expression which is made up of variables and constants, along with algebraic operations . Expressions are made up of terms.

Expression

An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation.

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The angle that is created from the wire and the ground is 39°

Now, According to the question:

The main beam to a circus tent is 75 feet tall and is supported by 120 foot wires that extend to the ground.

We have to find the angle that is created from the wire and the ground.

Based on the given condition:

Using the definition of the sine function, we have that

[tex]sin(a) = \frac{75}{120}[/tex]

then, we can take inverse sine in both sides of the equality to clear a

a = [tex]sin^-^1\frac{75}{120}[/tex]

a = 38.68218745

and rounding to the nearest degree, the answer will be 39 degrees.

a = 39°

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1. The probability of drawing a red or yellow ball from a standard set of pool balls is 4/7.

2. The probability of first getting a 3 and then getting another odd number is 1/12.

1. Tom has a standard set of pool balls, which includes 7 different colored balls: red, yellow, blue, purple, orange, green, and black. There are 2 red balls and 2 yellow balls out of 7 total balls.

To find the probability of drawing a red or yellow ball, we will add the probabilities of drawing each color separately.

Probability of drawing a red ball = 2/7

Probability of drawing a yellow ball = 2/7

Probability of drawing a red or yellow ball = (2/7) + (2/7) = 4/7

Hence, the probability of drawing a red or yellow ball is 4/7.

2. If a single die twice, the total possible outcomes are =  6x6 = 36.

To find the probability of getting a 3 on the first throw and then getting another odd number on the second throw, we have to find the number of outcomes that meet these conditions and then divide it by the total number of outcomes.

First throw: 3 (1 outcome)

Second throw: odd number (3, 5) (3 outcomes)

So there are a total of 1x3 = 3 outcomes that meet the given conditions.

Thus, Probability = 3/36 = 1/12

So, the probability of first getting a 3 and then getting another odd number is 1/12.

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The greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths is 400.

We have to determine the greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths.

The sides of a triangle have lengths ratio 5:7:8.

The perimeter of triangle is the sum of all sides. So

5x + 7x + 8x = 1000

20x = 1000

Divide by 20 on side we get

x = 50

The length of all sides:

5x = 5 × 50 = 250

7x = 7 × 50 = 350

8x = 8 × 50 = 400

Hence, the greatest possible length of triangle is 400.

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The complete question is:

The sides of a triangle have lengths ratio 5:7:8. What is the greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths?

If a ship is 90 miles South and 20 miles east of Port , then for the captain to travel directly to port , the captain should take a bearing of N 12.53° W .

the distance of ship = 90 miles south and 20 miles east of port .

let the bearing that the captain should take to directly travel to the port is = θ ;

So , the bearing angle can be calculated by using the trigonometric ratio ;

⇒ Tanθ = 20/90 ;

⇒ Tanθ = 2/9 ;

⇒ θ = arctan(2/9) = N 12.53° W   ;

Therefore , The captain should take a bearing of N 12.53° W .

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The value of K is 20

The LHS (Left Hand Side) reduces to 2 x 10^1005

2 x 10^1005  =k x 10^1004                    

k =[2 x10^1005] / [10^1004] = 2 x 10

k =20                                                    

A positive integer is defined as a whole number greater than zero. All counting numbers are included in the set of positive integers.

Positive numbers include: 1, 2, 88, 800, 9000, and so on. Positive numbers are whole numbers with the symbol (+) in front of the numerical value. Most of the time, the plus sign is simply represented without the symbol. Positive numbers outnumber negative numbers and zero. On the number line, positive numbers are represented to the right of zero

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Using Linear equations, the two equations of the given data are $10 + $250x and $4x

Ax+By=C is the usual form for two-variable linear equations. A standard form linear equation is, for instance, 2x+3y=5. When an equation is given in this format, finding both intercepts is rather simple (x and y).

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

Using linear Equations,

Let x be the miles covered,

Taxi company 1 charges = $10 + $250x

Taxi company 2 changes = $4x

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The volume can be calculated by simply multiplying the base's area by its height. The prism's two sides should be measured using the same units. To get cubic feet, it is ideal to measure in feet.

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The height of the rectangular prism is 8 ft.

The base's area and height alone can be used to determine the volume. The two sides of the prism should be measured in the same units. It's best to measure in feet to get cubic feet.

The rectangular prism's volume is equal to the base's area times the height. Length x Width x Height, in cubic units, equals the volume of a rectangular prism.

The base's area and height alone can be used to determine the volume. The two sides of the prism should be measured in the same units. It's best to measure in feet to get cubic feet.

Given the volume rectangular prism = 220 ft²

(x - 5.5)(x + 3)(x) = 220 ft²

(x - 5.5)(x + 3)(x) = 220 ft²

x³ −2.5x² −16.5x = 220

x = 8

Thus, the height of the rectangular prism is 8 ft.

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0.3 is the value of Probability Distribution Table X P(X)

Now, According to the question:

The probability is the measure of the likelihood of an event to happen. It measures the certainty of the event. The formula for probability is given by; P(E) = Number of Favorable Outcomes/Number of total outcomes.

Here X is a random variable. P(X) is its probabilities corresponding to the different values of X.

So here to find the value of the probability of X corresponding to the value 16 we should use the following steps:

Sum of given probabilities = (0.3+ 0.2 + 0.2) = 0.7

Required probability = 1 - sum of given probabilities = 1 - 0.7 = 0.3

Hence the complete probability table is:

X        P(X)

19       0.3

17       0.2

16       0.3

55      0.2

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Answer:

50 to 7

Step-by-step explanation:

number of stars to number of red stripes

all acceptable ways to represent ratios:

50 to 7

50 : 7

50 over 7

The probability of not finding purple jar is 0.8.

Firstly we will find the probability of drawing purple marble. The formula to be used for this is -

Probability = number of favourable outcomes ÷ total number of outcomes

Number of favourable outcomes = number of purple marbles

Total number of outcomes = sum of the number of marbles

Total number of outcomes = 22 + 26 + 17 + 20

Performing addition

Total number of outcomes = 85

Probability = 20/85

Performing division

Probability = 0.2

Probability of not finding purple = 1 - probability of finding purple

Probability of not finding purple = 1 - 0.2

Performing subtraction

Probability of not finding purple = 0.8

Thus, the probability is 0.8.

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Answer:

B 3pi/2

Step-by-step explanation:

So half of a circle is pi therefore a quarter is pi/2.

So 15 mins is pi/2.

3 * pi/2 =45 mins

3pi/2 = 45 mins