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Pachacha [2.7K]
2 years ago
6

HURRY HELP 18 POINTS

Mathematics
1 answer:
BlackZzzverrR [31]2 years ago
7 0

Answer:

C. She did not follow order of operations.

Step-by-step explanation:

Order of operations says you always have to multiply before you add when solving an equation, unless there are parentheses. Meaning that she should have multiplied -9 and 2/5 first before adding -18, instead of adding -9 and -18 first.

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The explanation of this question is given below in the explanation section

Step-by-step explanation:

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<h3>What is an equation?</h3>

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Find out more on equation at: brainly.com/question/2972832

#SPJ1

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