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Studentka2010 [4]
3 years ago
7

How could you rewrite the expression (3 + 5) + 8 using the Associative Property of Addition?

Mathematics
1 answer:
spin [16.1K]3 years ago
8 0
3+(5+8)<span>
</span>The Associative Property of Addition states that you can add or multiply numbers any way, it doesn't matter how they are grouped.
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Evaluate the expression: –(31 + 2) + 72 – (–5)2.
Rudiy27

Answer:

 14

Step-by-step explanation:

Order of operations rules require that we do any work inside parentheses first.  Thus,

–(31 + 2) + 72 – (–5)^2

becomes:

     -33    + 72 -  25, or

               14

Important:  Please use " ^ " to denote exponentiation; (-5)2 is incorrect, whereas (-5)^2 or (-5)² is correct.

4 0
3 years ago
Help me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeee.
DanielleElmas [232]

Answer:

it's 8

Step-by-step explanation:

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6 0
2 years ago
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An item is regularly priced at 85$. It is on sale for 80% off the regular price. How much is discounted from the regular price?
laila [671]

$68 is discounted from the regular price.

To find this, you first divide 80% by 100 to get 0.8 (the decimal form of the percentage). Then, simply multiply 0.8 by 85 (or vise verse) to get $68. Since the question is asking for how much is discounted from the regular price, the final answer would be $68.

I hope this helps!

4 0
3 years ago
The probability that a fair coin tossed 10 tines will land heads up on all ten tosses is 1 out of
Sidana [21]
1/10 because you will do it 10 times
6 0
3 years ago
Divide. Write your answer in simplest form. 6/7 ÷ 5/21​
Serjik [45]
The answer is 8/5.
To divide fractions, flip the second fraction and multiply.
For example,
= 6/7 • 21/5
= 126/35
Simplify by dividing both sides by 7 to get your answer.
= 8/5
5 0
3 years ago
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