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AnnyKZ [126]
2 years ago
12

What is (10)2 + (-6)2 ? Please do not find the square root yet.

Mathematics
2 answers:
SVETLANKA909090 [29]2 years ago
7 0
Answer is 8

(10)2= 20
(-6)2= -12
20-12= 8

Hope this helped!
Katen [24]2 years ago
5 0

Answer:

10*2=20

-6*2=-12

20-12=8

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Devon bought running shocs at a price that was 1/4 off the original price of $88. He paid a sales tax of 7% on
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The correct answer is C. $ 9.38

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The first step to solve this mathematical problem is to know the price of the shoes. About this, we know the price is 1/4 of $88 plus taxes. You can find how much is 1/4 of $88 by following this process:

1. Write the amounts given

\frac{1}{4}  of 88

2. Divide the number by the denominator (bottom number) and then multiply by the numerator

88 ÷ 4 = 22

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This means the discount was  $22 and $88- $22 = $66, which is the price with the discount. Now, it is necessary to add the sales tax, which can be done by finding the 7% of $66 and adding this number to $66 (the price of the shoes including the 1/4 discount)

1.  Write the values

66 = 100 (66 represents the total or 100%)

x   =  7 (7% is the value you want to know and the x represents the value is not known)

2. Cross multiply

x 100 = 462

3. Find x

x = 462 ÷ 100

x = 4. 62 ( value of taxes)

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