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PIT_PIT [208]
3 years ago
8

a sandbox must be filled with sand. the sandbox has a depth of 2ft and a diameter of 14 ft. how much sand to fill the sandbox

Mathematics
1 answer:
Gnom [1K]3 years ago
3 0

First you have to find the volume. the formula for volume is L x W x H. the length and with are the same. idk if you have to multiply 14 x 14. that is 196. 196 x 2= whatever the equals and that should be yo answer.

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Jeanne needed to buy 258 yards of fabric, if the ribbon costs 10¢ per foot, what is the total cost of the ribbon in dollars?
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Answer:

Step-by-step explanation:

1 yard is equal to 3 foot

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What is the sum of a common geometric series if the first term is 8 and the common ratio is 1/2?
stealth61 [152]

Answer:  A

Step-by-step explanation:

The sum to infinity of a geometric series is

S (∞ ) = \frac{a}{1-r} ( - 1 < r < 1 )

where a is the first term 8 and r is the common ratio, hence

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6 0
3 years ago
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Pani-rosa [81]

Answer:

x = 17.5 and y = 35

Step-by-step explanation:

2x + 10 = y + 10 ( alternate angles )

subtract 10 from both sides

2x = y ⇒ 6x = 3y → (1)

the sum of the 3 angles in the triangle = 180°

6x + y + 10 + 30 = 180 ( replace 6x by 3y )

3y + y + 40 = 180

4y + 40 = 180 ( subtract 40 from both sides )

4y = 140 ( divide both sides by 4 )

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substitute y = 35 into (1)

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x = 17.5



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Substitute all values for x and y into their placement

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Step-by-step explanation:

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