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3 years ago

Bret wants to plot a graph to show the prices of different numbers of skateboards. He has to plot the following points:

Mathematics

1 answer:

Rudik [331]3 years ago

7 0

From 0 to 200 at intervals of 50

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Plz help plz dont skip

marin [14]

Option D: $y-7=2(x+1)$ is the equation of line in point - slope form

Explanation:

Given that the slope is $m=2$ and the point $(-1,7)$

We need to determine the equation of the line in point - slope form.

The point - slope form can be determined using the formula,

$y-y_1=m(x-x_1)$

Let us substitute the point $(-1,7)$ and the slope $m=2$ in the above formula.

Thus, we have,

$y-7=2(x-(-1))$

Simplifying the terms, we get,

$y-7=2(x+1)$

Thus, the equation of the line in point - slope form is $y-7=2(x+1)$

Therefore, Option D is the correct answer.

3 0

3 years ago

0.325 is _____ 100 percent.

dexar [7]

Answer:

0.00325

Step-by-step explanation:

0.325/100

8 0

3 years ago

What is the product of (1.9*10^-3)(2*10^4)

RoseWind [281]

Answer:

to solve use the distributive property and multiply

Step-by-step explanation:

I'm sorry I do not have the product

4 0

3 years ago

Read 2 more answers

What is the constant of proportionality for the graph (ill give 20 points!)

Ivan

Answer:

I believe it is A

Step-by-step explanation:

Because if you take a point go up 1 and over 2 you get your next point. Rise over run would be 1/2 so the constant of proportionality would be 1/2 or .5

4 0

3 years ago

How to find the general solution to y"'+2y"-4y'-8y=0?

S_A_V [24]

$y'''+2y''-4y'-8y=0$

has characteristic equation

$r^3+2r^2-4r-8=r^2(r+2)-4(r+2)=(r^2-4)(r+2)=(r-2)(r+2)^2=0$

which has roots at $r=\pm2$ . The negative root has multiplicity 2. So the general solution is

$y=C_1e^{2x}+C_2e^{-2x}+C_3xe^{-2x}$

8 0

3 years ago