26kelseyhaskin 26kelseyhaskin

12-10-2021
Mathematics

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please explain your answer

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Respuesta :

thefoxacademy thefoxacademy

12-10-2021

Answer:

51

Step-by-step explanation:

11+(-7)^2-9 - original

11+49-9 - square the -7, since its in brackets the negative applies too and a negative x a negative = positive, so it ends up as 7x7+49

60-9 - add both positives 11+49=60

51 - subtract 9 from 60, 60-9=51

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