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mylen [45]
4 years ago
15

How long would it take?

Mathematics
1 answer:
lutik1710 [3]4 years ago
8 0

To find how long it would take, you must divide the total amount of gallons of water in the pond by the amount of gallons drained per hour. This would translate to:

4290 ÷ 78

Which would give you the total amount of hours needed to completely drain the pool, aka the answer:

4290 ÷ 78 = 55

You might be interested in
Laura shades 60 squares on her hundredths grid And Billy shades 50 squares on his hundredths grid. Write the decimal number that
Andre45 [30]

Answer:

Laura = 0.60

Billy = 0.50

0.60 > 0.50

Step-by-step explanation:

Given

Laura = 60\ shades

Billy = 50\ shades

Required

Represent using decimal number and compare

From the question, we understand that there are 100th grids;

So:

Laura = \frac{60}{100}

Laura = 0.60

Billy = \frac{50}{100}

Billy = 0.50

Comparing both decimals;

Since 0.60 is greater than 0.50, we have:

0.60 > 0.50

3 0
3 years ago
The legs of a right triangle are 5 units and 15 units. What is the length of the hypotenuse?
Varvara68 [4.7K]
To find the answer you have to use pythagorean theorem;

a² + b² = c²          where a and b are the legs and c is the hypotenuse.

5² + 15² = c²

25 + 225 = c²

250 = c²

√250 = √c²

√250 = c

hope this helps, God bless!
3 0
3 years ago
Read 2 more answers
If 8-1= 7, does 8-1-2=7 - 3? Why or<br> why not?<br> Helpp ASAP
Keith_Richards [23]
No, because 8-1-2 is literally 5 and 7-3 equals 4 so no because the answer don’t match
7 0
3 years ago
How do I do this really confused please explain
yuradex [85]

9514 1404 393

Answer:

  (a)  15

Step-by-step explanation:

Each of the marked angles is an exterior angle of the polygon. The sum of exterior angles is always 360°. We can use that fact to write the equation.

  4x° +77° +59° +6x° +74° = 360° . . . . . an equation to find x

  10x + 210 = 360 . . . . . . . . . . . . . . divide by °, collect terms

  x + 21 = 36 . . . . . . . . . . . . . . . divide by 10

  x = 15 .  . . . . . . . . . . . . . . subtract 21

_____

<em>Comment on the sum of exterior angles</em>

Imagine the figure shrunk smaller and smaller until all of the angle vertices are the same point. You can see that those angles will completely fill the angular space around that central point, so they must have a sum of 360°.

3 0
3 years ago
−5(x + 4) + 21 ≥ −3 + 4(x − 8)
wariber [46]

Step-by-step explanation:

-5x - 20 +21 > - 3 +4x - 32

-5x +1 > 4x - 35

-5x +4x > - 35 +5

-1x>-30

Divide by - 1

x >30

Am I right??

8 0
3 years ago
Read 2 more answers
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