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2 years ago

11

Each pail of plaster covers 90 square feet of ceiling. What is the least number of plaster you would need to buy to cover the ce

iling of a square room with walls 14 feet long?

1 answer:

denpristay [2]2 years ago

4 0

You would need 3 pails of plaster, specifically about 2 pails and a fifth of another but you cant buy a fraction of a pail, so 3 pails are needed.

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Please help!!!!!!!!!!

Degger [83]

I hope this helps you

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2 years ago

Solve the following system of equations: −2x + y = 1 −4x + y = −1

Katyanochek1 [597]

Answer:

<h2>x = 1, y = 3 → (1, 3)</h2>

Step-by-step explanation:

$\left\{\begin{array}{ccc}-2x+y=1\\-4x+y=-1&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-2x+y=1\\4x-y=1\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=2\qquad\text{divide both sides by 2}\\.\qquad x=1\\\\\text{Put it to the first equation:}\\\\-2(1)+y=1\\-2+y=1\qquad\text{add 2 to both sides}\\y=3$

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2 years ago

Need help plsssssss :(

ahrayia [7]

Supplementary angle must add up to 180 so the supplement will be 108 degrees. 180-72=108.

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2 years ago

a long year-end status report for work is 134 pages long. you need to print 13 copies for a meeting next week. How much is the p

NNADVOKAT [17]

one paper sheet = 500 / 305 cents

134 * 13 = 1742

500 / 305 = 1.64 cents

1.64 * 1742 = $28.55

3 0

1 year ago

Round the decimal to the nearest whole number 5.8??

11Alexandr11 [23.1K]

Answer:

6

Step-by-step explanation:

Because 5.8 is closer to 6 than it is to 5.

6 0

2 years ago

Read 2 more answers