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3 years ago

Find the slope of the line between(5,-2)(-8,-5)

Mathematics

1 answer:

Hoochie [10]3 years ago

7 0

Answer:

Step-by-step explanation:

Use the difference of coordinates to find the slope.

Slope of line passing through (x₁, y₁) and (x₂, y₂) = (y₂-y₁)/(x₂-x₁)

Slope of line passing through (5, -2) and (-8, -5) = (-5-(-2))/(-8-5) = -3/(-13) = 3/13

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Evaluate the expression when x=10, y=−2, and z=−5. −x2+6zy=

Burka [1]

x = 10

y = -2

z = -5

-x2 + 6zy = ???

Plug it in:

-(10)(2) + 6(-5)(-2) = ???

-10 x 2 + 6 x 10= ???

-20 + 60 = 40

Therefore, plugging the values in would make it equal 40.

8 0

3 years ago

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What is the x-coordinate of the point of intersection for the two lines below?

Brut [27]

Answer:

From the graph, it is clear that the point of intersection is:

(x, y) = (-4, -1)

And the x-coordinate of the point of intersection for the two lines is:

x = -4

Step-by-step explanation:

As we know that the solution of the system of equations is the point of intersection. Let us solve it.

Given the system of equations

$\begin{bmatrix}2x+y=-9\\ 2x-5y=-3\end{bmatrix}$

solving the system of equations

subtracting 2x+y = -9 from 2x-5y = -3

$2x-5y=-3$

$-$

$\underline{2x+y=-9}$

$-6y=6$

$\begin{bmatrix}2x+y=-9\\ -6y=6\end{bmatrix}$

solving for y

$-6y=6$

Divide both sides by -6

$\frac{-6y}{-6}=\frac{6}{-6}$

$y=-1$

$\mathrm{For\:}2x+y=-9\mathrm{\:plug\:in\:}y=-1$

$2x-1=-9$

$2x=-8$

Divide both sides by 2

$\frac{2x}{2}=\frac{-8}{2}$

$x=-4$

Thus, the x-coordinate of the point of intersection for the two lines below will be:

$x=-4$

Also, the graph is attached.

From the graph, it is clear that the point of intersection is:

(x, y) = (-4, -1)

And the x-coordinate of the point of intersection for the two lines is:

x = -4

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3 years ago

In the United States, it is possible for someone to give a gift up to how much money per year to another person without that mon

Zielflug [23.3K]

Answer:

I believe the correct answer is $10,000. I'm not positive, though.

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3 years ago

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The area of a square plot of land is 225m. Post are to be placed 3 mettrs apart to fence the land. How many post are needed

Sindrei [870]

Answer:

15 meters

Step-by-step explanation:

Area of a square=Length ^2

225=length^2

15 meters

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3 years ago

Which figures are congruent? Will Give Brainliest Answer

puteri [66]

C. Theyre just rotated, no dilations

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3 years ago

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