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Colt1911 [192]
2 years ago
11

If 2x^3=y, then log y equals

Mathematics
1 answer:
Svetllana [295]2 years ago
4 0

Answer:

log 2 + 3 logx

Step-by-step explanation:

log 2x^3

log2+logx^3

log^2+3logx

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Linear system word problem
soldi70 [24.7K]
Good job, you got the equations! XD

I'll just help you solve

Multiply the 2nd row by 9
<span>9x+9y=117</span>
<span><span><span>9x+27y=207

</span></span></span>Subtract the 2nd row from the 1st row
<span><span><span>−18y=−90
</span></span></span>Divide both sides by <span>−18</span>
<span><span><span>y=<span><span>−90/</span><span>−18
</span></span></span></span>Two negatives make a positive
<span><span>y=<span><span>90/</span><span>18</span></span></span><span>​​</span></span><span>
y = 5

Substitute 5 into an equation
9x+9(5)=11<span>7
</span>9x+45=11<span>7
</span>Subtract <span>45</span> from both sides
<span><span><span>9x=117−45

</span></span></span>9x=7<span>2
</span>Divide both sides by <span><span>9</span></span>
x = ___

Hope this will help​​</span></span>

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3 years ago
HELP I tried but no luck
lesya692 [45]
Victor should say, "32."
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if you take out a loan that cost $130.50 over 9 years and interest rate of 10% how much total was the loan for
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Factor the expression 84+28
harkovskaia [24]

Answer:

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Step-by-step explanation:

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Answer:

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