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3 years ago

Back at it again. At not getting math.

Mathematics

1 answer:

NARA [144]3 years ago

7 0

Answer:

$168 {m}^{3}$

Step-by-step explanation:

Volume of pyramid= $\frac{1}{3} \times base \: area \times height$

Thus, volume of rectangular pyramid

$= \frac{1}{3} (9)(8)(7) \\ = 168m^{3}$

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The object below was made by placing a cone on top of a cylinder. The base of the cone is congruent to the base of the cylinder.

Ber [7]

Answer:

Part 1) The volume of the object is $32\pi\ cm^{3}$ or $100.48\ cm^{3}$

Part 2) see the procedure

Step-by-step explanation:

The picture of the question in the attached figure

Part 1) What is the volume, in cubic centimeters, of the object?

we know that

The volume of the object is equal to the volume of the cylinder plus the volume of the cone

Find the volume of the cone

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2} h$

we have

$r=4/2=2\ cm$ -----> the radius is half the diameter

$h=3\ cm$

substitute the values

$V=\frac{1}{3}\pi (2^{2})(3)=4\pi\ cm^{3}$

Find the volume of the cylinder

The volume of the cylinder is equal to

$V=\pi r^{2} h$

we have

$r=4/2=2\ cm$ -----> the radius is half the diameter

$h=(10-3)=7\ cm$

substitute the values

$V=\pi (2^{2})(7)=28\pi\ cm^{3}$

Part 2) Then explain how you found the volume of the total shape

The volume of the total shape is equal to the volume of the cylinder plus the volume of the cone

$4\pi\ cm^{3}+28\pi\ cm^{3}=32\pi\ cm^{3}$ ------> exact value

Find the approximate value of the volume

assume

$\pi=3.14$

$32(3.14)=100.48\ cm^{3}$

7 0

3 years ago

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Shawn is coasting down a 500 cm long ramp on his inline skates. The wheels on his inline skates are 32 cm in circumference. How

jekas [21]

It will make 16 rotation

hope it helps plz mark as brainliest

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3 years ago

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What are the steps towards solving -5 - 15n = 10

Kryger [21]

Answer:

n=-1

Step-by-step explanation:

First you add 5 to both sides an you would get -15n=15

Next divide by -15 on both sides and get n=-1

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3 years ago

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List four rational numbers between -2 and -1?

rosijanka [135]

Answer:

See below.

Step-by-step explanation:

The 4 might be:

-1.9 - 3/2 , -1.8 and - 9/8.

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3 years ago

Peter started to deposit 5000 philippine pesos quarterly in a fund that pays 1% compounded interest. How much will be in the fun

gayaneshka [121]

Answer:

1. Answer: F = P123,514.09

Step-by-step explanation:

1. Peter started to deposit P5,000 quarterly in a fund that pays 1% compounded quarterly. How much will be in

the fund after 6 years?

1. Answer: F = P123,514.09

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3 years ago