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3 years ago

5

Two pipes are connected to a tank. when working together, the two pipes can fill the tank in 4 hours. the larger pipe, working a

lone, can fill the tank in 6 less hours than the smaller one. how long would the smaller one take to fill the tank alone?

1 answer:

ziro4ka [17]3 years ago

5 0

Ten hours maybe?????

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Assume that the average healthy body temperature is 98.249 degrees and the standard deviation is 0.733 degrees. How many standar

Leno4ka [110]

The standard deviation is 1.43 below the mean

<h3>How to determine the number of standard deviation?</h3>

The given parameters are:

Mean = 98.249

Standard deviation = 0.733

x = 97.2

To calculate the number of standard deviation below the mean, we use

$x = \bar x - n\sigma$

So, we have:

$97.2 = 98.249 - n * 0.7333$

Evaluate the like terms

$-1.049 =- n * 0.7333$

Divide both sides by -0.733

n =1.43

Hence, the standard deviation is 1.43 below the mean

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1 year ago

Can you help me? Look at the last question I posted as an example.

ivolga24 [154]

Step-by-step explanation:

1. (-3/2, 1)

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4. <u>(</u><u>2</u><u>,</u><u>-4</u><u>)</u>

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3 years ago

Read 2 more answers

What was the percent increase of China's

Rom4ik [11]

The percentage increase China's population from 1970 to 1995 is: 56.25%.

<h3>How to Calculate Percentage Increase?</h3>

Percentage increase = (Final Value - Original Value)/Original value × 100.

Given the following:

Original value = 0.8 billion

Final Value = 1.25 billion

Final Value - Original Value = 1.25 - 0.8

Final Value - Original Value = 0.45

Percentage increase = 0.45/0.8 × 100 = 56.25%.

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2 years ago

the ratio of pink marbles to white marbles in Samaras bag is equal to 1:5. what percent of the bag contains pink marble

kenny6666 [7]

1:5= 1/5 x 20/20= 20/100

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3 years ago

To join the game club, you must pay $7 a month plus

ivanzaharov [21]

Answer: Total cost/month = 7 + 3x

Step-by-step explanation:

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I'm not sure about my answer but I hope that it helps.

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1 year ago