What happens when you add 18 to -18?

1 answer:

3 0

Answer:

$- 18 + 18 \\ = 0 \\ thank \: you$

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Answer:

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Z = (x - m)/s
z = (38-40)/8
z = -2/8
z = -1/4
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Doss [256]

Answer:

y=54/7

Step-by-step explanation:

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KATRIN_1 [288]

Answer:

Highest grade: 86

Lowest grade: 36

Step-by-step explanation:

Let the highest grade be h, lowest grade be l.

$h = 50 + l \\ \\ h + l = 122 \\ h = 122 - l \\ \\$

Therefore,

$122 - l \: = 50 + l \\ 2l \: = 72 \\ l = 36 \\ \\ h = 36 + 50 = 86$

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nadezda [96]

Increasing most likely

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