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Aleks [24]
3 years ago
9

A sphere has a radius of 3 centimeters what is the volume of the sphere ????

Mathematics
2 answers:
german3 years ago
8 0

The answer is provided in the image attached.

insens350 [35]3 years ago
3 0

Answer:

A  36\pi cm^{3}

Step-by-step explanation:

The formula for the volume of a sphere is \frac{4}{3}\pi r^{3}. Because we are given the radius, 3 (centimeters), of the sphere, all we would need to do is plug 3 in for r, and solve.

\frac{4}{3}\pi (3)^{3}

Using the order of operations (Parentheses, Exponents), we can solve for (3)^{3}, which is 27 (think 3*3*3).

Then, we simply Multiply (\frac{4}{3})(\pi)(27), to get 36\pi.

With our unit, centimeters cubed (cm^{3}), our sphere's volume is 36\pi cm^{3}.

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SpyIntel [72]

Answer:

Height is 10 units

Volume is 785 cubic units

Step-by-step explanation:

We are given;

Diameter of a cylinder as 10 units

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Height is twice its radius,

Thus, Height = 10 units

We can get the volume;

Volume of a cylinder = pir²H

Taking pi to be 3.14

Then;

Volume = 3.14 × 5²× 10

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3 years ago
For what values of a the following expressions are true: |a|=−a
Ymorist [56]

Answer:

Any negative number and 0 works for the expression.

Step-by-step explanation:

Looking at this type of equation, we know that either EVERY negative number and 0 or EVERY positive number and 0 will work for this equation, since nothing is being added and we're just working with absolutes/negatives.

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So this positive number doesn't work, let's just test with another one.

|9| = -(9)\\9 \neq -9

So we know that positive numbers won't work with this expression.

Let's test 0 quickly, just to make sure.

|0| = -0\\0 = 0

So 0 works.

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3 years ago
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Answer:

F = 105

Step-by-step explanation:

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