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Butoxors [25]
2 years ago
7

Find the surface area of the cylinder. Use a ~ 3.14 20 m​

Mathematics
1 answer:
lesantik [10]2 years ago
6 0

Answer:

1444.4 m2

Step-by-step explanation:

Surface Area = 2 * 3.14 * (R*R + R*L) = 2 * 3.14 * (10*10+10*13) = 1444.4 m2

Note .. You can Derive this  

"Surface Area = 2 * 3.14 * (R*R + R*L)"

Using Calculus by differentiating its Volume

V = 3.14 * R * R * L

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2 years ago
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PLEASE help me with this question! This is really urgent! No nonsense answers please.
stepan [7]

Answer:

The last answer choice: Phillip will lose (1/2) of his points in his next crash.

Step-by-step explanation:

For every crash, Phillips points will continue to reduce by (1/2) the amount that he currently has.  That means after 1 crash, he will 5,000 points left.  After 2 crashes, he will have 2,500 points left.  After 3 crashes, he will have 1250 points left.  After 4 crashes, he will have 625 points left, and so on like that.

6 0
3 years ago
3y=24 solve by inspection
Ulleksa [173]

Explanation: Division property of equality is dividing both sides of an equation by the same non-zero number does not change the equation.

a÷c=b÷c for c≠0

<u><em>First, you divide by 3 both sides of an equation.</em></u>

<u><em>3y/3=24/3</em></u>

<u><em>Then, simplify.</em></u>

<u><em>24/3=8</em></u>

<u><em>8*3=24</em></u>

<u><em>24/8=3</em></u>

<u><em>y=8 is the final answer.</em></u>

<u><em>Hope this helps!</em></u>

<u><em>Thanks!</em></u>

<u><em>Have a great day!</em></u>

6 0
3 years ago
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Due to inflation, a fixed quantity of money can buy 3% less every year. If Pam has enough in her wallet to buy 47 movie tickets
Nitella [24]
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2 years ago
What is the reciprocal fo -2/3​
stich3 [128]

Answer:

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Step-by-step explanation:

the reciprocal is just a different fraction, with the numbers "flipped" upside down (inverted)

hope it helps:)

7 0
3 years ago
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