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3 years ago

I REALLY NEED HELP... AND PLEASE TELL ME THE CORRECT ANSWER!!!!

Mathematics

1 answer:

Llana [10]3 years ago

5 0

Answer:

You have the correct answer.

Step-by-step explanation:

You have the correct answer if I am right.

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The perimeter of a square is 75inches. What is the length of one side of the square?

viktelen [127]

Answer:

18.75

Step-by-step explanation:

if you do 75 divided by 4 it will give you 18.75

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4 years ago

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3 years ago

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Can some one help please!!!!!!!

trapecia [35]

Answer:

yes it's easy

Step-by-step explanation:

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3 years ago

Determine whether this pair of lines is parellel, perpendicular, or neither 6+2x=3y 3x+2y=9 Choose the correct answer below. A.

andriy [413]

Answer:

Option A. These two lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are equal

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

step 1

Convert the given equation A in slope intercept form

$y=mx+b$

where

m is the slope

b is the y-intercept

we have

$6+2x=3y$ ----> equation A

Solve for y

That means----> isolate the variable y

Divide by 3 both sides

$y=\frac{2}{3}x+2$

$m_A=\frac{2}{3}$

step 2

Convert the given equation B in slope intercept form

$y=mx+b$

where

m is the slope

b is the y-intercept

we have

$3x+2y=9$ ----> equation B

Solve for y

That means----> isolate the variable y

subtract 3x both sides

$2y=-3x+9$

Divide by 2 both sides

$y=-\frac{3}{2}x+4.6$

$m_B=-\frac{3}{2}$

step 3

Compare the slopes

$m_A=\frac{2}{3}$

$m_B=-\frac{3}{2}$

The slopes are opposite reciprocal (the product is equal to -1)

therefore

These two lines are perpendicular

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4 years ago

Write the equations of a line through the point (-3,-8) with a slope of -3/5 in

kompoz [17]

y=mx+b is the standard function for any straight line

y and x are constants, so they never change in the final form

m is the slope, which is given

b is the y intercept, which is not given

we have to plug in the values to find the solution, so plug in the (x,y) coordinates for their respective places in the equation

-8 = (-3/5)(-3) + b

-8 = 1.8 + b

-9.8 = b

now that we have b, we can just put the slope back in for m and get the answer

y= -3/5x -9.8

4 0

3 years ago