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kari74 [83]
2 years ago
9

Can somebody please help with this?

Mathematics
1 answer:
Kay [80]2 years ago
7 0

Answer:

  A.  2.9π(9²)

Step-by-step explanation:

You are expected to know that the area of a circle is given by the formula ...

  A = πr²

and that r in the formula represents the radius of the circle, half the diameter.

The area of the circular base of the cylinder is the area of a circle with a radius of 9 feet. It will be ...

  A = π(9²)

When that is multiplied by the height of the cylinder to find its volume, you have ...

  V = Bh

  V = (π(9²))(2.9)

This can be rearranged to match the form in answer choice A:

  2.9π(9)²

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Answer:

380

Step-by-step explanation:

171:45=3,8

3,8*100=380

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3 years ago
Write the equation of a line that passes the point (-6,9)and is perpendicular to a line that passes through the points (-2,1) an
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Ayonna has $300 gift card. She buys video games that cost $50 each . After
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Answer:

4

Step-by-step explanation:

300- x =100

50+50=100

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3 years ago
I dont know this question i will give you brainly
Vinvika [58]

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2 years ago
Read 2 more answers
Given a || b , and c is not parallel to a or b, which statements
Lapatulllka [165]

Answer:

C. m∠4 = m∠8

D. m∠2 = m∠7

Step-by-step explanation:

Here, we use the principles of alternate angles, corresponding angles and vertically opposite angles to confirm which of the statements are true. Alternate angles are always equal, corresponding angles are equal, likewise vertically opposite angles.

From the given question, it was given that a is parallel to b. Thus, it can be observed and deduced that;

m∠4 = m∠8  (corresponding angles)

and

m∠2 = m∠3 (vertically opposite angles)

m∠3 = m∠7 (corresponding angles)

So that,

m∠2 = m∠7  

Thus in the question, statements C and D are true.

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