4 years ago

If the length of the pool is 14 1/2 feet , the width is 6 1/2 feet, and the depth is 6 1/2 feet, what is the volume of the pool?

Mathematics

1 answer:

lianna [129]4 years ago

8 0

Answer:

volume = 612.625

Step-by-step explanation:

volume = length x width x height(depth)

volume = 14.5 x 6.5 x 6.5

volume = 612.625

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A repair company's charge for repairing a certain type of copy machine fits the model y = 47.38 + 0.617x where y is the number o

11Alexandr11 [23.1K]

Answer:c is the correct answer

Step-by-step explanation:

A repair company's charge for repairing a certain type of copy machine fits the model y = 47.38 + 0.617x

where y is the number of dollars charged and

x is the number of minutes the repair person is on the job.

Therefore, to determine the number of minutes that it would take for the cost of repair to reach $130, we would substitute y =130 into the given model. It becomes

130 = 47.38 + 0.617x

0.617x = 130 - 47.38 = 82.62

x = 82.62/0.617 = 134 minutes

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3 years ago

12. P (7,r) = 5040. Find r A. 5 B. 6 C. 7 D. 8

aalyn [17]

Answer:

Step-by-step explanation:

P(7,r) = 5040

$P(n,r)=\dfrac{n!}{(n - r)!}\\\\\\n = 7 \\\\\dfrac{7!}{(7 - r)!}=5040\\\\\\7! = (7-r)!*5040\\\\(7-r)!=\dfrac{5040}{7*6*5*4*3*2*1}\\\\\\(7-r)!=\dfrac{5040}{5040}\\\\\\(7-r)!=1\\\\$