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vazorg [7]
3 years ago
8

Helppppppppplppppppp

Mathematics
1 answer:
irinina [24]3 years ago
6 0

Answer:

number 1 is 2 number 2 is 15 number 4 is 30

Step-by-step explanation:

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(3x+6)^2 subtracted from 9
N76 [4]

Answer:

- 9x² - 36x - 27

Step-by-step explanation:

9 - (3x + 6)² ← expand using FOIL

= 9 - (9x² + 36x + 36) ← distribute parenthesis by - 1

= 9 - 9x² - 36x - 36

= - 9x² - 36x - 27

7 0
3 years ago
At the local candy store, Harper bought 4 ounces of jelly beans for $15.96. At that rate, how much would she pay for 7 ounces of
s2008m [1.1K]

Answer:

$27.93

Step-by-step explanation:

First we divided 4 from 15.96 and got 3.99, so now we know that $3.99 is how much each ounce of jellybeans costs so now we multiply 3.99 times 7 to get our answer of 27.93.

3 0
3 years ago
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rosijanka [135]

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Step-by-step explanation:

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8 0
3 years ago
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Ede4ka [16]

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Step-by-step explanation:

4 0
3 years ago
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Name the property. 7+(11+10)=(7+11)+10
VikaD [51]

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associative

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