please help on this . :D

Answer:

y=-3x+2

Step-by-step explanation:

Same slope = parallel. You can aso double check this answer by either graphing using the desmos online graphing calculator or by plugging in the point into the equation y = -3(2) + 2 --> y = -6 + 2 --> y = -4, so we are correct.

Answer:

y=-3x+2

Step-by-step explanation:

In this equation the slope is the same as the original equation (-3), but has a different y-intercept meaning that this line is parallel. As for satisfying the requirement that the line is parallel and passes through (2,-4), I plugged the coordinates into the equation y=-3x+b to get  -4=-3(2)+b, and then found what b would have to equal to make the equation true.

(plus I put my answer into a graphing calculator to check my work)

Answer:

.5 or 50%

Step-by-step explanation:

A die has six sides, have of them are odd and half are even. Therefore the probability of getting an even number is 50% or 0.5.

the answer is (7,-3) ............

Answer:

(7, –3)

Step-by-step explanation:

did it on edgen

The proportion of the variation in the dependent variable y that is explained by the estimated regression equation is measured by the coefficient of determination.

What is coefficient of determination?

The effectiveness of a statistical model in forecasting a result is shown by the coefficient of determination (R²). The dependent variable in the model is a representation of the result.

R² can have a value of 0 or 1, with 1 being the maximum achievable. Simply said, a model's R² will be closer to 1 the more accurate its predictions are.

R² is a more precise measure of goodness of fit. The amount of volatility in the dependent variable that the model can account for.

You can typically tell whether your linear regression data's R² is high or low by graphing it. The graphs below, for instance, display two sets of simulated data:

Dots represent the observations.

The line of best fit, or predictions of the model, is displayed as a black line.

Purple lines represent the deviations (the residuals) between the data and their expected values.

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Melanie will end up with 7 pieces of paper for her craft project. This is determined by dividing the total length of the paper (17.5 inches) by the desired length for each piece (2.5 inches).

To determine the number of pieces Melanie will end up with, we need to divide the total length of the paper by the desired length for each piece.

Total length of the paper = 17.5 inches

Desired length for each piece = 2.5 inches

To calculate the number of pieces, we divide the total length by the desired length:

Number of pieces = Total length / Desired length

Number of pieces = 17.5 inches / 2.5 inches

Number of pieces = 7

Melanie will end up with 7 pieces of paper for her craft project. This is determined by dividing the total length of the paper (17.5 inches) by the desired length for each piece (2.5 inches). The resulting quotient gives us the number of pieces, which in this case is 7.

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Answer:

B

Step-by-step explanation:

First thing to do here is to calculate the z-score

Mathematically;

z-score = (x-mean)/SD

here, x = 130, mean = 120 and SD = 10

Substituting these values

z-score = (130-120)/10 = 10/10 = 1

So the probability we want to calculate is;

P(z ≥ 1) = 1 - P(z <1)

From standard score table, P(z <1) = 0.15866

P(z ≥ 1) = 1-0.15866 = 0.84134

Answer:

0.16

Step-by-step explanation:

Let A be the number of adults and C be the number of children. We know that A + C = 500 and 2A + C = 780. Solving for A, we get A = 260.

To solve this problem, we use a system of equations with two variables: A and C. From the problem, we know that the total number of people who attended the play was 500.

We also know that the admission price for adults was $2 and for children was $1. Finally, we know that the total admission receipts were $780.

Using this information, we can set up two equations: A + C = 500 (equation 1) and 2A + C = 780 (equation 2). We can then solve for A by eliminating C. Subtracting equation 1 from equation 2, we get A = 260. Therefore, there were 260 adults who attended the play.

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Answer:

49,820

Step-by-step explanation:

so what you were going to do first is you're going to do 940 * 53 there is which equals 2820 and then you're going to do turtle messes so then you're going to do 5 * 0 which equals zero then five times for which equals 20 + 5 * 9 which equals 45 + 2 which 45 + 2 equals 47 so you have 2820 + 47000 which equals 49,820

Answer:

Step-by-step explanation:

Use similar triangles and proportions to solve:

\(\frac{4}{6}=\frac{10}{6+x}\) and cross multiply:

4(6 + x) = 60 and

24 + 4x = 60 and

4x = 36 so

x = 9

Answer:

\(m=\frac{-1}{5}\)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

Point (-5, 4)

Point (0, 3)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m.

Answer:

Hogg said she had a plan heuh

Answer:

Srry I.D.K but if u need anything else let me know

Step-by-step explanation:

Answer:

A. 158

Step-by-step explanation:

i hope it helped!

Answer:

D: 57 units

hope this helps!!

Answer:

∠ D = 55°

Step-by-step explanation:

given AC is perpendicular to BD , then ∠ ACB = 90°

the sum of the 3 angles in Δ ABC is 180° , that is

∠ A + ∠ ABC + ∠ ACB = 180°

35° + ∠ ABC + 90° = 180°

125° + ∠ ABC = 180° ( subtract 125° from both sides )

∠ ABC = 55°

given AB and DE are parallel , then

∠ D and ∠ ABC are alternate angles and are congruent , so

∠ D = 55°

Answer:

i believe its y - 12 < -32

Step-by-step explanation:

you dont know what y - 12 is, so thats the first part. then, it says that is NO MORE than -32 meaning y - 12 is less.

Answer:

63\(cm^{3}\)

Step-by-step explanation:

To find the volume of this prism, all you need to do is multiply the height, the width, and the length of the prism. The height is 3, the length is 7, and the width is 3. So 3·3·7=9·7=63. Now we have to add the label, which is cm. We are multiplying 3cm by 3cm by 7cm, which makes it  \(cm^{3}\). Now you just multiply \(cm^{3}\) and 63 together, which gets you 63\(cm^{3}\).

Answer:

\(A=\frac{3\sqrt{55}}{2}\)

Step-by-step explanation:

For a height h, a perimeter P, and an area A, use the following formula:

\(A=\frac{1}{4}h\sqrt{P^{2}-4h^{2} }\)

Next, replace the variables with the given values:

\(A=\frac{1}{4}(3)\sqrt{(16)^{2}-4(3)^{2} }\)

Solve the inside of the square root:

\(A=\frac{1}{4}(3)\sqrt{256-36}\\A=\frac{1}{4}(3)\sqrt{220}\)

Multiply outside of the square root:

\(A=\frac{3}{4}\sqrt{220}\\\)

Simplify the square root:

\(A=(\frac{3}{4})2\sqrt{55}\\\)

Multiply outside of the square root once more:

\(A=\frac{3}{2}\sqrt{55}\\\)

Simplify:

\(A=\frac{3\sqrt{55}}{2}\), or ≈ 11.12429773

Answer:

$30,000 divided by 12=$2500

Step-by-step explanation:

Answer:

$2,500

Step-by-step explanation:

30,000/12=2500

Answer:

18 cm

Step-by-step explanation:

The formula for the lateral surface area of a cylinder is

=>2πrh

In the question:

The lateral surface area of a cylinder is 288π square centimeters.

The height of the cylinder is 16 centimeters.

Hence:

288π => 2πrh

288π => 2 × π × r × 16

288π => 32πr

r => 288π/32π

r => 9 cm

The formula of Diameter is 2 × radius

= 2 × 9 cm

Diameter =>18 cm

The diameter of the cylinder in centimeters is 18 cm

All five brothers combined have $20.00 using algebraic equation.

To solve this problem, we first need to find out how much money Peter and his brothers have combined. We know that 30% of the total money is Peter's, so we can use that to find the total amount of money. If $6.00 is 30% of the total, then we can set up an equation:

0.30x = 6.00

To solve for x, we can divide both sides by 0.30:

x = 20.00

This means that the total amount of money that Peter and his brothers have combined is $20.00.

To find out how much each brother contributed, we can divide the total by the number of brothers:

20.00 / 5 = 4.00

So each brother contributed $4.00 to the purchase of the video game.

Therefore, all five brothers combined have $20.00. It is important to remember that in order to find out how much each person contributed, we need to divide the total amount by the number of people involved. In this case, since there were five brothers, we divided the total by 5 to get the individual contribution of $4.00 per brother.

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Answer:

9s+11

Step-by-step explanation:

Combine like terms → (7s+2s and 2+9 = 9s and 11) and boom

Answer:

\(9s + 11\)

Step-by-step explanation:

First:

\(7s - 2s \\ = 9s\)

second:

\(9 + 2 \\ = 11\)

Answer:

It has no solution within Real numbers. Its solutions are Complex/imaginary, since its discriminant is negative (-64).

Step-by-step explanation:

The normalized form of the equation

(x+2)^2= - 16

x^2 + 4x + 4 = - 16

x^2 + 4x + 20 = 0

We have in the form ax^2 + abx + c = 0

a = 1

b = 4

c = 20

Discriminant is b^2 - 4ac = 4^2 - 4*1*20 = 16 - 80 = - 64

Discriminant is negative, therefore, no Real solutions.

Answer: To prove that triangles △ABC and △DEF are similar, we would use the AA Similarity Postulate. This postulate states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. In other words, if the corresponding angles of two triangles are congruent, then the triangles are similar.

Step-by-step explanation:

The correct option is A. f(x) = x - 4 y g(x) = x + 4. After answering the presented question, we can conclude that since f(g(x)) = x and g(f(x)) = x, we can conclude that f(x) and g(x) are inverse functions of each other.

In mathematics, a function appears to be a link between two sets of numbers in which each member of the first set (known as the domain) corresponds to a specific member of the second set (called the range). In other words, a function takes input from one collection and creates output from another. The variable x has frequently been used to represent inputs, whereas the variable y has been used to represent outputs. A formula or a graph can be used to represent a function. For example, the formula y = 2x + 1 depicts a functional form in which each value of x generates a unique value of y. To determine if two functions are inverses of each other, we need to check if the composition of the two functions results in the identity function.

Since f(g(x)) = x and g(f(x)) = x, we can conclude that f(x) and g(x) are inverse functions of each other.

\(f(x)=3x-5\)

\(g(x)=(x+5)/3\)

\(f(g)(x))=f((x+5)/3)=3((x+5/3)-5=x+10-5=x+5\)

\(g(f(x))=g(3x-5)=((3x-5)+5)/3=x\)

Since f(g(x)) = x and g(f(x)) = x, we can conclude that f(x) and g(x) are inverse functions.

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Answer:

-1,024

Step-by-step explanation:

-4,-8,-16,-32,-1024<- thats the 8th one

The most-preferred, affordable bundle can be found by maximizing the utility function subject to the budget constraint.

To find the most-preferred, affordable bundle, we need to maximize the utility function U(b, c) = b^50 * c^50 subject to the budget constraint. The budget constraint can be expressed as P_b * b + P_c * c = I, where P_b and P_c are the prices of goods b and c respectively, and I is the consumer's income.

In this case, P_b = 6, P_c = 7, and the consumer's income is $84. We can substitute these values into the budget constraint and rearrange it to solve for one variable in terms of the other. For example, we can solve for b in terms of c or vice versa.

Once we have the relationship between b and c, we can substitute it into the utility function and maximize it to find the combination of b and c that gives the highest utility. This will give us the most-preferred bundle that is affordable.

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The scale factor of the dilation of the triangle ABC is equal to 2.5.

We know that the triangles ABC and A'B'C' are similar.

The scale factor of the dilution is given by -

scale factor = measure of A'B' / measure of AB.

Now, let's find the measure of AB and the measure of A'B' from the graph given below, using the distance formula as follows-

The distance formula is = \(\sqrt{(y_{2} - y_{1})^{2} + (x_{2} - x_{1})^{2}}\)

Hence, the distance AB =\(\sqrt{(2-2)^{2} + (2-0)^{2}}\)

                                       = \(\sqrt{(0)^{2} + (2)^{2}}\)

                                       = \(\sqrt{2^{2}}\)

                                       = 2 units

Similarly, we can find the distance A'B'

The distance A'B' = \(\sqrt{(-1+1)^{2} + (1+4)^{2}}\)

                             = \(\sqrt{(0)^{2} + (5)^{2}}\)

                             = \(\sqrt{(5)^{2}}\)

                             = 5 units

Now, the scale factor = measure of A'B' / measure of AB

                                       = 5/2

                                       =2.5

Thus, the scale factor of the dilation is 2.5.

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The complete question is -

Triangle ABC was dilated and translated to form a similar triangle A'B'C'.

What is the scale factor of the dilation?

The given integral is ∫(0 / x² √(2² + 490)) dx. To solve this integral, we can make a substitution by letting x = 7tan(θ), where θ is between -π/8 and π/8. Then, dx = 2sec²(θ) dθ. The given integral is ∫(0 / x² √(2² + 490)) dx, and after making the substitution x = 7tan(θ), the integral becomes ∫(0 / 98sec³(θ) √(1 + 122.5tan²(θ))) dθ.

Substituting these expressions in the integral, we have ∫(0 / (7tan(θ))² √(2² + 490))(2sec²(θ)) dθ. Simplifying further, we get ∫(0 / 49tan²(θ) √(4 + 490))(2sec²(θ)) dθ. Rearranging the expression under the square root, we have ∫(0 / 49sec²(θ) √(4(1 + 122.5tan²(θ))))(2sec²(θ)) dθ. This can be simplified to ∫(0 / 98sec³(θ) √(1 + 122.5tan²(θ))) dθ.

In summary, the given integral is ∫(0 / x² √(2² + 490)) dx, and after making the substitution x = 7tan(θ), the integral becomes ∫(0 / 98sec³(θ) √(1 + 122.5tan²(θ))) dθ.

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The given integral is ∫(0 / x² √(2² + 490)) dx. To solve this integral, we can make a substitution by letting x = 7tan(θ), where θ is between -π/8 and π/8. Then, dx = 2sec²(θ) dθ. The given integral is ∫(0 / x² √(2² + 490)) dx, and after making the substitution x = 7tan(θ), the integral becomes ∫(0 / 98sec³(θ) √(1 + 122.5tan²(θ))) dθ.

Substituting these expressions in the integral, we have ∫(0 / (7tan(θ))² √(2² + 490))(2sec²(θ)) dθ. Simplifying further, we get ∫(0 / 49tan²(θ) √(4 + 490))(2sec²(θ)) dθ. Rearranging the expression under the square root, we have ∫(0 / 49sec²(θ) √(4(1 + 122.5tan²(θ))))(2sec²(θ)) dθ. This can be simplified to ∫(0 / 98sec³(θ) √(1 + 122.5tan²(θ))) dθ.

In summary, the given integral is ∫(0 / x² √(2² + 490)) dx, and after making the substitution x = 7tan(θ), the integral becomes ∫(0 / 98sec³(θ) √(1 + 122.5tan²(θ))) dθ.

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