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Archy [21]
3 years ago
5

(3Q) Evaluate the logarithm.

Mathematics
2 answers:
KiRa [710]3 years ago
8 0

ANSWER

a. \:  \frac{5}{3}

EXPLANATION

The given logarithm is

log_{8}(32)

Rewrite both the base and the number as a power to base 2.

log_{8}(32) =  log_{ {2}^{3} }( {2}^{5} )

Use the following property:

log_{ {a}^{q} }( {a}^{p} )  =  \frac{p}{q}

This implies that,

log_{8}(32) =  log_{ {2}^{3} }( {2}^{5} )  =  \frac{5}{3}

Aleonysh [2.5K]3 years ago
3 0

Answer:

a. 5/3

that's your answer

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6 0
3 years ago
Solve the following system of equations by substitution and select the correct answer below:
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Okay so for substitution, chose one of  of the equations to solve for x. Let's solve for the second one. So you have 2x-8y=32.
Start by adding 8y to both sides:
 2x=8y+32.
Then you have to get x by itself so you divide both sides by 2 which will give you:
 x=4y+16.

Now you have:
6x-4y=36
x=4y+16 (this was 2x-8y=32)

Now, plug in the second equation to the first one. You would do so by plugging in the second equation to where you see x. You would have:
6(4y+16)-4y=36

Now, multiply the 6 with the 4y and 16. you would then have:
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Now, combine your like terms to get:
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Then divide both sides so that you have y all by itself:
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You now have the answer for y, so now plug what you got for y into the other equation: x+4y=16: 
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x=180!
so Your answer is Y=-30 and X=180

I hope this helped:)


5 0
3 years ago
Read 2 more answers
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