3 years ago

Pls help me with this

Mathematics

1 answer:

erastova [34]3 years ago

7 0

The mean number is -48(:

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The volume of a cone is 108 pi cubic inches. Its height is 4 inches. What is the radius of the cone? Round answer to nearest ten

leonid [27]

$\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\ -----\\ V=108\pi \\ h=4 \end{cases}\implies 108\pi =\cfrac{\pi r^2(4)}{3}\implies 324\pi =4\pi r^2 \\\\\\ \cfrac{324\pi }{4\pi }=r^2\implies 81=r^2\implies \sqrt{81}=r\implies 9=r$

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3 years ago

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The angles shown are complementary angles. The measure of angle 1 is (14x-21) degrees and the measure of angle 2 is (4x+75)

Anni [7]

Answer:

A complementary angle is an angle that adds up to 90 degrees. supplementary angles add up to 180 degrees. So a supplementary angle lies on a single, straight line, and a complementary angle is a right angle.

Step-by-step explanation:

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3 years ago

what is a problem that requires multiplying two decimals to find the answer?product must have two decimal places.

andrew11 [14]

1.72 X 3= 5.16 Hope this helps :)

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2 years ago

Divide.<br> 3 5/9 ÷ -2 2/3<br> Enter your answer as a mixed number, in simplified form, in the box.

kvv77 [185]

-1 and 1/3 because you convert to a regular fraction and get (32/9)/(-8/3), then you flip the fraction and multiply

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