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Ann [662]
3 years ago
7

What is the square root of 100 Ten points

Mathematics
2 answers:
madam [21]3 years ago
7 0

The answer is 10 because if you multiply 10 by 10 it equals 100

elena55 [62]3 years ago
6 0

So, the definition of a square root is "what number can be multiplied by itself in order to yield the given number".  So, if we apply this theory, what number can be multiplied by itself so that it gives an answer of 100.  


So, the factors of 100 are

1 * 100

2 * 50

4 * 25

5 * 20

10 * 10 -> See, this one, 10 is being multiplied by 10.  So, that is the square root of 100.

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Im pretty sure its 15

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3 years ago
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Rollie was succesful in losing weight he had a goal weight in mind he went on a diet for three months each month he would lose o
Llana [10]
Let's say that in the beginning he weighted x and at the end he weighted x-y, y being the number of kg he wanted to loose.

first month he lost
y/3

then he lost:  
(y-y/3)/3
this is
(2/3y)/3=2/9y
explanation: ((y-y/3) is what he still needed to loose: y minus what he lost already

and then he lost
 (y-2/9y-1/3y)/3+3 (the +3 is his additional 3 pounts)
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it's not just y/3 because each month he lost one third of what the needed to loose at the current time, not in totatl

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we can subtract x from both sides:
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so... that's how much he wanted to loose, but he lost 3 less than that, so 23.25

ps. i hope I didn't make a mistake in counting, let me know if i did. In any case you know HOW to solve it now, try to do the calculations yourself to see if they're correct!










5 0
3 years ago
On my sister's 15th birthday, she was 159 cm in height, having grown 6% since the year before. How tall was she the previous yea
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It means that her height in this year is 106\%x in regards to the last year, where x is her height in last year, so:

159=106\%x

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159=\frac{53}{50}x

159*50=53x

159*50=53x

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