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nika2105 [10]
3 years ago
12

If y+3y+5y=−18

Mathematics
1 answer:
hoa [83]3 years ago
8 0

Answer:

y=-2

Step-by-step explanation:

y+3y+5y=−18

Combine like terms

9y = -18

Divide each side by 9

9y/9 = -18/9

y = -2

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Question 1 (1 point)
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What is the value of x after these statements if the starting value of x is 3.
kolbaska11 [484]
[A]
3^{2}=9
5^{3}=125
9\neq25

Ignore


[B]
3^{2} = 9
9 \ \textgreater \  3
Yes

3^{3}=27
4( 3^{2})=36

27 \ \textless \  36
Yes

Therefore
x=3+2=5


[C]
4^{5}=1024

 5^{4}=625

1024\ \textless \ 625
No

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 5^{5}=3125

3125\ \textgreater \ 3125
No

Ignore


[D]
5^{5}=3125

 2^{5}=32

3125\ \textgreater \ 32
Yes

5^{2}=25
25\ \textless \ 11
No

Therefore
x=5+8=13


[E]
8\ \textgreater \ 7
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x = 13^{2}=169
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Read 2 more answers
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