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3 years ago

Find the volume of the composite figure. Round the nearest tenth

Mathematics

1 answer:

eimsori [14]3 years ago

7 0

20.......................

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Plz help i will mark brainlist

iragen [17]

Y=x+4
3x+Y=-8

3x+x+4=-8
X=-3. Substitute the value of x

Y=-3+4
Y=1

(X,Y)= (-3,1)

So the answer is C

6 0

3 years ago

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What is the measure of angle ABC

xeze [42]

Answer:

sorry wala pa ang math ko jan

7 0

2 years ago

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A rather flimsy spherical balloon is designed to pop at the instant its radius has reached 3 centimeters. Assuming the balloon i

Anni [7]

Answer:

The radius is growing at the rate of 0.09 centimeter per second at the instant it pops.

Step-by-step explanation:

We are given the following information in the question:

A spherical balloon is designed to pop at the instant its radius has reached 3 centimeters.

The balloon is filled with helium at a rate of 10 cubic centimeters per second .

$\displaystyle\frac{dV}{dt} = 10~cm^3/sec.$

We have to find fast the radius is growing at the instant it pops.

Volume of spherical balloons =

$\displaystyle\frac{4}{3}\pi r^3$

Differentiating, we get,

$\displaystyle\frac{dV}{dt} = \frac{4}{3}\pi 3r^2 \displaystyle\frac{dr}{dt} = 4\pi r^2 \displaystyle\frac{dr}{dt}$

Putting the values, we get,

$10 = 4\times 3.14\times (3)^2\times \displaystyle\frac{dr}{dt}\\\\\frac{dr}{dt} = \frac{10}{4\times 3.14\times (3)^2} = 0.0884 \approx 0.09\\\\\frac{dr}{dt} = 0.09\text{ centimeter per second}$

The radius is growing at the rate of 0.09 centimeter per second at the instant it pops.

4 0

3 years ago

A • a • a What is the answer in mathematics?

FromTheMoon [43]

Answer:

I think A3 or A to the 3rd power

Step-by-step explanation:

3 0

3 years ago

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Sean, a freelance editor, charges the rates shown in the table below to edit manuscripts. The cost per page increases as the qua

Zanzabum

Michelle would have to have a 2 dollar express proofreading. because 85 x 2= 170 and then you multiply 170 x .05 and then you get an amount of 161.50.

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3 years ago