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nasty-shy [4]
3 years ago
9

Levi resolveu a expressão, 8×(-3)+7×5+(– 10)² ÷ 50, mas apagou o resultado. Resolva você também essa expressão e encontre o resu

ltado. *​
Mathematics
1 answer:
Bingel [31]3 years ago
4 0

Answer:

61

Step-by-step explanation:

8×(-3)+7×5+(-10)²÷50

apply the PEMDAS rule or (parenthesis, exponent, multiplication,division,addtion,subraction)

24+7×5+(-10)²÷50

24+7×5+100÷50

24+35+100÷50

24+35+2

61

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Think of it this way. The question is saying that the text messages are all equally the same value, or expense. If you were to divide 16 by $3.20, you would find that each text was the same amount to send. That the input (the number of text messages) is directly related in the same pattern to the output (the cost of the text messages). 

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Read 2 more answers
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