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lara [203]
3 years ago
12

Please help with this question asap it’s a test

Mathematics
2 answers:
UkoKoshka [18]3 years ago
8 0
-4x + 9 = 28
-4x = 28 - 9
-4x = 19
x = -4.75
Andre45 [30]3 years ago
6 0

Answer

Step-by-step explanation:

I really not sure if to add 4x or to minus 9

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kodGreya [7K]

Answer:

4.

Step-by-step explanation:

2 to the second power = 2^2.

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3 years ago
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Anon25 [30]

Answer:

<em>She need </em><em>72 </em><em>index cards.</em>

Step-by-step explanation:

Ms. James has a 6 square foot bulletin board and a 12 square food bulletin board and she wants to cover both boards with index cards without gaps or overlaps.

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Dividing the area of each board with the area of the index card will yield the the number of cards she needs to cover up completely.

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Therefore, in total she need 24+48=72 index cards.

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3 years ago
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Step-by-step explanation:

This Is for the 4.07 K-12 Quiz! <3

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Step-by-step explanation:

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