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marshall27 [118]
3 years ago
8

A swimming pool is to be drained. The pool is shaped like a Rectangular prism with length 12m , with 10 m, and depth 3m. Suppose

water is pumped out of the pool at a rate of 18 m3 per hour.if the pool starts completely full , how many hours does it take to empty the pool ?
Mathematics
1 answer:
tiny-mole [99]3 years ago
6 0

Answer:

20 hours

Step-by-step explanation:

first calculate volume:

12x10x3=360

then divide by 18

360/18=20

So 20 hours in total

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39 is what percent of 96
ra1l [238]

Answer:

40.625%

Step-by-step explanation:

This is a very simple question.

We have to understand converting word equations to algebraic ones.

"is" means "="

"of" means "*"

So, we can write:

39 = what percent * 96

Now, we let "what percent" be "p" and solve the equation for p:

39 = P * 96

So,

39 = P * 96\\39=96P\\P=\frac{39}{96}\\P=0.40625

Converting this decimal to percentage means multiplying by 100, so we have:

0.40625 * 100

= 40.625%

7 0
3 years ago
Identify the property shown. −1.4+(−2.6+3.8)=(−1.4+(−2.6))+3.8
Dimas [21]
<span>This property is called associativity. It shows that it doesn't matter whether you perform the sum on the first two numbers and then the third, or on the second two and then the first, because you will get the same answer either way. That is because addition is associative.</span>
3 0
3 years ago
What is the explicit fomula for this sequence
tigry1 [53]

Answer:

C

Step-by-step explanation:

2(5)^4-1 = 2(5)^3

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7 0
1 year ago
What is-6 5/6 in decimal form? -6.516 -6.3125
olga2289 [7]
The answer is -6.833333333
8 0
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aalyn [17]

The level of precision is given by the number of decimal places.

1.45 has a precision of 2 ( two decimal digits)

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Numbers that end in zeros have negative precision:

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15 : Whole numbers has precision 0.

From most precise to least precise:

.0034 - 1.45- 15 - 100

8 0
1 year ago
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