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Alja [10]
3 years ago
5

Hey can some one please help

Mathematics
1 answer:
sineoko [7]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

< means open circles

x-21<3  x≥21

-x+21<3  x<21

18<x<21 and 21≤x24

so the union of will be 18<x<24

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Tems11 [23]
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3 years ago
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Help asap
PSYCHO15rus [73]

Answer:

27 & 72

Step-by-step explanation:

3*24=72 and 3*9=27 so they are both divisible by 3 and also if you subtract 24 from 72 you get 45. get it now?

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2 years ago
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2. Simplify ((–3)2)3
Nat2105 [25]

Answer:

-18

Step-by-step explanation:

((-3)2)3

First, you multiply -3 and 2 which equals  -6

-3·2=-6

Then, you multiply -6 and 3 which equals  -18

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3 years ago
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olasank [31]

Answer:

If the increases are roughly the same, then linear is best. If the multiple factor is roughly the same, then an exponential is best. If the rate at which the increase increases is roughly the same (so A-B=1, B-C=3 C-D=5.2), then quadratic is best.

Step-by-step explanation:

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3 years ago
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Answer:

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