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Ira Lisetskai [31]

3 years ago

11

What is the square root of 5

1 answer:

Ratling [72]3 years ago

6 0

Answer:

The square root of 5 is 2.23, or just 2.

I hope I helped!

Step-by-step explanation:

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Problem PageQuestion Working together, two pumps can drain a certain pool in hours. If it takes the older pump hours to drain th

gizmo_the_mogwai [7]

Answer:

10.5 hours.

Step-by-step explanation:

Please consider the complete question.

Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 14 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?

Let t represent time taken by newer pump in hours to drain the pool on its own.

So part of pool drained by newer pump in one hour would be $\frac{1}{t}$ .

We have been given that it takes the older pump 14 hours to drain the pool by itself, so part of pool drained by older pump in one hour would be $\frac{1}{14}$ .

Part of pool drained by both pumps working together in one hour would be $\frac{1}{6}$ .

Now, we will equate the sum of part of pool emptied by both pumps with $\frac{1}{6}$ and solve for t as:

$\frac{1}{14}+\frac{1}{t}=\frac{1}{6}$

$\frac{1}{14}\times 42t+\frac{1}{t}\times 42t=\frac{1}{6}\times 42t$

$3t+42=7t$

$7t=3t+42$

$7t-3t=3t-3t+42$

$4t=42$

$\frac{4t}{4}=\frac{42}{4}$

$t=10.5$

Therefore, it will take 10.5 hours for the newer pump to drain the pool on its own.

6 0

2 years ago

6 pounds of candy cost 22.44 how much is 1 pound

Anton [14]

So you divide 22. 44 by 6 it will be 3.74 . See image for steps

4 0

3 years ago

Read 2 more answers

Find the sum using a number line. negative 1 plus left parenthesis negative 6 right parenthesis−1+(−6)

Dafna11 [192]

On a number line, you would find -1, then count to the left 6 spaces and you would get -7

7 0

2 years ago

HELP PLEASE!! ILL GIVE BRAINLIEST

Aleonysh [2.5K]

X = -5 . I used photomath to solve this so it should be correct, hope this helps

6 0

2 years ago

Please help me ASAP, thank you ^-^. The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π?

MrRa [10]

<h2>Answer:</h2>

The volume of the cone in terms of π is:

A. 392π in³

<h2>Step-by-step explanation:</h2>

The radius of the cone i.e. r is: 7 in.

and the slant height of the cone i.e. l=y=25 in.

and let h=x be the height of the cone.

Now, using the Pythagorean Theorem we have:

$l^2=r^2+h^2\\\\i.e.\\\\h^2=l^2-r^2\\\\i.e.\\\\h^2=(25)^2-7^2\\\\i.e.\\\\h^2=625-49\\\\i.e.\\\\h^2=576\\\\i.e.\\\\h=\sqrt{576}\\\\i.e.\\\\h=24$

Hence, we get:

$h=x=25\ in.$

Now, the volume of the cone is given by:

$Volume=\dfrac{1}{3}\pi r^2h\\\\i.e.\\\\Volume=\dfrac{1}{3}\times\pi\times (7)^2\times 24\\\\i.e.\\\\Volume=392\pi\ in^3$

Hence, the answer is: Option: A

6 0

2 years ago

Read 2 more answers