2 years ago

Please help giving brainiest

Mathematics

1 answer:

ser-zykov [4K]2 years ago

3 0

Answer: 1,000 units, 1300 dollars

Step-by-step explanation:

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ratelena [41]

Answer:

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Step-by-step explanation:

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2 years ago

A gallon of paint covers 400 square feet how many square feet will 2 3 8th gallons of paint cover

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I can’t seem to get the answer right. What is log 10000?

djverab [1.8K]

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Step-by-step explanation:

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1 year ago

Read 2 more answers

if the height of the cylinder with a radius of 12 cm and a height of 20 cm has the same volume as a cone with a radius of 8 cm.

Marrrta [24]

Answer:

$\large\boxed{H=135\ cm}$

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have the radius r = 12cm and the height H = 20cm. Substitute:

$V=\pi(12^2)(20)=\pi(144)(20)=2880\pi\ cm^3$

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

r - radius

H - height

We have the radius r = 8cm and the volume V = 2880πcm³. Substitute:

$\dfrac{1}{3}\pi(8^2)H=2880\pi\qquad\text{divide both sides by}\ \pi\\\\\dfrac{1}{3}(64)H=2880\qquad\text{multiply both sides by 3}\\\\64H=8640\qquad\text{divide both sides by 64}\\\\H=135\ cm$

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3 years ago