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velikii [3]
3 years ago
15

Between which two consecutive whole numbers does the square root 72 lie?

Mathematics
1 answer:
spayn [35]3 years ago
5 0

Answer:

8 and 9

Step-by-step explanation:

8 squared is 64

9 squared is 81

since 72 lies between 64 and 81, then the square root must lie between 8 and 9

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Andy carried 1/2 gallon of water on a hike. He drank 2/3 of the water. How much water did he drink?
Contact [7]
So,

All we have to do is multiply the amount of water Andy carried by the fractional amount he drank.

1/2 * 2/3

This is pretty simple.  To halve TWO-thirds, just halve the numerator, since it's such a nice number.

Presto.  Half of two is one.

Therefore, 
1/2 * 2/3 = 1/3

Andy drank 1/3 gallons of water on his hike.  That's 5 1/3 cups of water.  I would estimate his hike to be about 3 miles.  Easy peasy.
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A Ferrari drove 300 kilometers in one and a half hours. How fast was the car going?
irga5000 [103]
I'm assuming you mean how many mph when you refer to how fast the car was going.

So 300 km = 1.5 hrs

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You should get 200 km = 1 hour

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