3 years ago

Write the point-slope form of the line that passes through (5, 5) and is perpendicular to a line with a slope of 1/4.

1 answer:

6 0

A perpendicular line would have a slope that is the negative reciprocal of the slope you are given. Therefore the slope of the new line would be -4/1 or just -4.
You can now use point-slope formula and plug in your numbers to figure out the equation of that line.
Point-Slope form: y-y1=m(x-x1)
Therefore your equation would be: y-5=-4(x-5)

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What does -4(-8x-8) equal?

slavikrds [6]

Answer:

Lets break it down

( -8 x -8 ) = 64, because a negative x negative always equals a positive

-4 x 64 = -256, because a negative x positive always equals a negative

Your answer is -256.

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

8 0

3 years ago

Choose the product.

Ivan

Answer:

$3 {x}^{3} - {x}^{2} - 5x + 3$

Step-by-step explanation:

$( 3{x}^{2} + 2x - 3)(x - 1) \\ 3 {x}^{2} (x) + 2x(x) - 3(x) + 3{x}^{2} ( - 1) + 2x( - 1) - 3( - 1) \\ 3 {x}^{3} + 2 {x}^{2} - 3x - 3 {x}^{2} - 2x + 3 \\ 3{x}^{3} - {x}^{2} - 5x + 3$

7 0

3 years ago

Read 2 more answers

Benjamin’s and David’s ages add up to 36 years. The sum of twice their respective ages also add up to 72 years. Find their ages

nydimaria [60]

Answer:Benjamin’s age = 30 and David’s age = 6

Explanation:

Let x be the age of Benjamin
Let y be the age of David

x + y = 36

And 2x + 2y = 72

If we plug 30 for x and 6 for y we get:

30 + 6 = 36
36 = 36

2(30) + 2(6) = 72
60 + 12 = 72
72 = 72

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5 0

3 years ago

Read 2 more answers

What is a number that when you multiply it by 8 and subtract 12 from the product, you get 76?

Dmitry [639]

Answer:

Step-by-step explanation:

Equation: 8x - 12 = 76

Add 12 to both sides

8x = 88

Divide both sides by 8

x = 11

Hope this helped :)

3 0

3 years ago

In a survey of Yellowstone National Park, there were 40 grey wolf pups born. It is estimated that 4/8 will survive to adulthood.

Fittoniya [83]

4/8 = 1/2

1/2 of 40 is 20

20 will survive

4 0

3 years ago