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Katarina [22]
3 years ago
15

Please help me understand this, i've been stuck on this question

Mathematics
1 answer:
Drupady [299]3 years ago
4 0
A is correct.
to find the average, you add up all three test scores, divide the sum by 3
85≤(83+91+n)/3≤90

multiply 3 to eliminate the fraction: 255≤(174+n)≤270
subtract 174: 81≤n≤96
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Help me please im in a rush
Solnce55 [7]

Answer:

a.1

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Step-by-step explanation:

So the | | around an equation makes it an absolute value which can be defined as the "distance from zero" or in other words, if a value is positive, it stays positive, and if a value is negative, it becomes positive.

|-8 + 9| = |1| = 1

|-8| + 9 = 8 + 9 = 17

7 0
2 years ago
PLS HELP, WILL REWARD BRAINIEST !!
romanna [79]

Answer:

the answer option is a. because there are

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5 0
3 years ago
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7 0
3 years ago
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frosja888 [35]
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