3 years ago

What is the slope of a line perpendicular to the line whose equation is 4x – 3y = –27.

2 answers:

6 0

The correct answer is 4/3. First write the equation in slope intercept form which is y=4/3x+9. Then graph and use the rise and run method to solve for the slope.

patriot [66]3 years ago

6 0

Correct answer is 4/3

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Find the are of a parallelogram that has a base of 7 1/2 and a height of 5 2/7

Amiraneli [1.4K]

Use the formula for the area of a parallelogram:

$\sf A=bh$

Plug in what we know:

$\sf A=(7\dfrac{1}{2})(5\dfrac{2}{7})$

Convert both of them into improper fractions. We do this by multiplying the denominator to the whole number, adding it to the numerator, which becomes our new numerator, and we keep the denominator the same:

$\sf A=(\dfrac{15}{2})(\dfrac{37}{7})$

Now multiply the numerators and denominators together:

$\sf A=\dfrac{15}{2}\cdot\dfrac{37}{7}\rightarrow\dfrac{15\cdot 37}{2\cdot 7}\rightarrow\dfrac{555}{14}$

Convert it back into a mixed number. 14 goes into 555 thirty-nine times. 14 * 39 = 546. 555 - 546 = 9. So we have 39 wholes and 9 left over, or:

$\sf 39\dfrac{9}{14}$

So this is the area of the parallelogram.

6 0

3 years ago

8 points and brainliest answer if you get it right

stellarik [79]

I think your answer is 78 = x -2

5 0

3 years ago

Read 2 more answers

Four friends equally share 1/2 of a pizza how much of the pizza does each friend get?

alex41 [277]

The correct answer is 12.5% each

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