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Bezzdna [24]
3 years ago
6

Algebra 1!! Please only answer if you actually know!

Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

9. B

y=-5 and x=-25

y=(1/5)x

-5=(1/5)*-25

-5=-5

10. A

y=42 and x=14

y=3x

42=36*14

42=42

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(a+4)² - 3²<br> Factored out
uranmaximum [27]

Answer:

a =  - 7

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Step-by-step explanation:

(a+4) {}^{2}  - 3 {}^{2}  \\ a {}^{2}  + 8a + 16 - 9 \\ a {}^{2}  + 8a + 7 \\ a {}^{2}  + a + 7a + 7 \\ a(a + 1) + 7(a + 1) \\ (a + 7)(a + 1) \\ a + 7 = 0 \:  \:  \:  \: or \:  \:  \:  \: a + 1 = 0 \\ a =  - 7 \:  \:  \:  \: \:  \:  \:  \:  or \:  \:  \: a =  - 1

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3 years ago
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4 years ago
Dylan read his book for 2 2/3 hours and Faith read her's for 1 1/5.How much longer did did Dylan read then Faith?
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Step-by-step explanation:

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4 years ago
The frequency table categorizes winners of a prestigious award from.1990-2012 by their age at the time they received the award.
Ivan

Answer:

is there an image of the frequency table attached? whats the question

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If x varies inversely as y and x=2.5 when y = 40 , find y when x = 2
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Answer:

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