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3 years ago

an 8400 gallon water tank is being drained at the rate of 300 gallons per hour. how long will it take the tank to empty?

1 answer:

4 0

<span> It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour... that the answer</span>

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Samuel exercises everyday. She spends 40% of his exercise on the treadmill. If he uses the treadmill 40 minutes each day, how ma

padilas [110]

Samuel exercises for 100 minutes each day. Or in other words, 1 hour and 40 minutes.

3 0

3 years ago

I will give brainliest

alina1380 [7]

Answer:

3532.5

Step-by-step explanation:

The formula for the volume of a cylinder is 3.14 times R^2 times H

I calculated it

5 0

3 years ago

What are the surface area and volume of a regular triangular pyramid with a height of 9 cm and a slant height of 15 cm?

d1i1m1o1n [39]

I believe it is 135.
Hope this helps

3 0

4 years ago

what is the distance between the points (4, 5) and (10, 13) on a coordinte plane a. 12 units b. 8 units c. 10 units d. 14 units

qaws [65]

Answer:

<h2>10 units</h2>

Option C is the correct option

Step-by-step explanation:

Let the points be A and B

A ( 4 , 5 ) ------> ( x1 , y1 )

B ( 10 , 13 ) ------> ( x2 , y2 )

Now, let's find the distance between these points:

$\sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} }$

plug the values

$= \: \sqrt{(10 - 4) ^{2} + {(13 - 5)}^{2} }$

Calculate the difference

$= \sqrt{ {(6)}^{2} + {(8)}^{2} }$

Evaluate the power

$= \sqrt{36 + 64}$

Add the numbers

$= \sqrt{100}$

Write the number in exponential form with. base of 10

$= \sqrt{ {(10)}^{2} }$

Reduce the index of the radical and exponent with 2

$= 10 \: units$

Hope this helps..

Best regards!!

7 0

3 years ago

75 percent of 104 is the same as 80 percent of what number?

Mashutka [201]

104*.75=78
78/8=9.75(divide by 8 because 80%/8=10%)
9.75*10=97.5
97.5*.8=78

75% of 104 is 78 which is also 80% of 97.5

Your answer is 97.5

8 0

3 years ago