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Stells [14]
3 years ago
14

If A=-3 what is a^2 and 3a^2

Mathematics
2 answers:
bogdanovich [222]3 years ago
6 0

Answer:

-6, 9, and 81

Step-by-step explanation:

Flura [38]3 years ago
3 0

Answer:

Step-by-step explanation:

A) -6

B)  -9

C) -27

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Ignore my errors please. how would i solve these problems... please explain step by step
chubhunter [2.5K]
1.

Make the fractions improper.

72/12 x 19/6 = 19.


2. 

Area = L x W

L = 3 1/6 x
W = 6 7/12

= 19.

#1 = 19 feet
#2 = <span>9 3/4 feet</span>





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A sample of n = 5 scores has a mean of m = 8. one new score is added to the sample and the new mean is calculated to be m = 9. w
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Now if one score if added (let's call this score x), there are 6 scores and the mean changes to 9, thus:
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