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3 years ago

8

Using 50 gal per minute pumps how long will it take to fill a basement that is 16 inched in depth

2 answers:

densk [106]3 years ago

4 0

<span>Those TWO pumps together work at a rate 100 gallons per minute.

You have basement dimensions, but to get volume as gallons, you need to know:
This is wrong: 231 cubic feet = 1 gallon

Know these: 231 cubic inches = 1 gallon, 12 inches = 1 foot

, cubic feet, the volume of water in the basement - which seems to be given in two sections.

You would use a uniform rates formula like RT=V for rate, time, volume.
You would use it as T=V/R. </span>

irga5000 [103]3 years ago

3 0

For a total of 14681.9 gallons. At 50 gallons per minute it will take 294 minutes which is about 5 hours and hence with 2 pumps about 2.5 hours.

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(1) 2y×5x(7÷18)-1+3?<br><br><br>And <br><br>(2) 45÷28(3x+6y)=

Alenkinab [10]

Answer:

not really sure for number one

1. 1.56y × 3.9x

2. 4.8x + 9.6y

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3 years ago

Fred and Ben each ran laps around the track. Fred completed his run in 16 minutes. Ben completed his run in 3/4 of the amount of

m_a_m_a [10]

Answer:

Time required by Ben was 12 minutes.

Step-by-step explanation:

Given:

Time Required for Fred = 16 mins

Ben completed his run in 3/4 of the amount of time of Freds run.

We need to find the time required by Ben.

Now Given that;

Ben completed his run in 3/4 of the amount of time of Freds run.

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3 years ago

Write an equation that could be used to solve the given problem: if twice a number is increased by 15 , the result is the same a

Semmy [17]

Equation 2X+15= X-10

X=-25

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3 years ago

Read 2 more answers

Find the area of the blue sector. Use 3.14 for pi and round to the nearest hundredth.

jeka94

Answer:

Option C $25.64\ in^{2}$

Step-by-step explanation:

we know that

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=7\ in$

substitute

$A=\pi(7)^{2}=49\pi\ in^{2}$

Remember that

$360$ degrees subtends the complete area of the circle

so

by proportion

Find the area of the blue sector for an angle of $60$ degrees

$\frac{49\pi}{360}=\frac{x}{60}\\ \\x={49\pi*60/360$

$x=25.64\ in^{2}$

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3 years ago

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The probability distribution for the random variable x follows. x f(x) 20 0.20 25 0.15 30 0.30 35 0.35 (a) Is this probability d

Damm [24]

Answer:

(a) The probability distribution is valid.

(b) The probability that x = 30 is 0.30.

Step-by-step explanation:

The probability distribution of the random variable <em>X</em> is:

<em> x</em>: 20 | 25 | 30 | 35

f (<em>x</em>): 0.20 | 0.15 | 0.30 | 0.35

(a)

The properties of a probability distribution are:

0 ≤ P (X) ≤ 1
∑ P (X) = 1

All the probability value are more than 0 and less than 1.

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$\sum P(X)=0.20+0.15+0.30+0.35=1$

The sum of all probabilities is 1.

Thus, the probability distribution is valid.

(b)

Consider the probability distribution table.

The probability of <em>X</em> = 30 is,

P (X = 30) = 0.30.

Thus, the probability that x = 30 is 0.30.

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3 years ago