3 years ago

How do you solve -9-(-12)-17-4

Mathematics

1 answer:

Nata [24]3 years ago

7 0

Answer:

-18

Step-by-step explanation:

First for 9 and 12 there are two negitive signs so it turns positive so you get -9+12-17-4 so you add -9 and 12 which is 3 so you now have 3-17-4 so subtract 17 from 3 to get -14 so your equasion will look like this -14-4 and that equals -18

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linda scored 35, 47, and 42 points on three tests. how many points should she get on the fourth test to get an average score of

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(35 + 47 + 42 + x) / 4 = 50
(124 + x) / 4 = 50....multiply both sides by 4, cancelling the 4 on the left side.
124 + x = 50 * 4
124 + x = 200
x = 200 - 124
x = 76 <===

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3 years ago

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