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OpenStudy (anonymous):
What's your question
OpenStudy (needhelpinalgebra):
simplify
OpenStudy (needhelpinalgebra):
possible answers
5 1/4
5 1/12
5 7/12
5 4/3
OpenStudy (needhelpinalgebra):
@pink33
OpenStudy (needhelpinalgebra):
@AndrewIsHere
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OpenStudy (andrewishere):
It is 3/4
OpenStudy (anonymous):
the answer is 3/4
OpenStudy (needhelpinalgebra):
I don't have that as an option.
OpenStudy (andrewishere):
The \[\sqrt{5}\] divides out
OpenStudy (needhelpinalgebra):
so, D?
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OpenStudy (andrewishere):
thats its reciprocal
OpenStudy (andrewishere):
3/4 = .75
4/3 = 1.33
OpenStudy (needhelpinalgebra):
then.... wtf? this is just confusing.
OpenStudy (andrewishere):
yeah the question just says to simplify?
OpenStudy (needhelpinalgebra):
yeah. and those are the options.
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OpenStudy (andrewishere):
wait what is the 5 in front?
OpenStudy (needhelpinalgebra):
no clue. this is confusing.
OpenStudy (andrewishere):
yeah i dont understand the answer choices
OpenStudy (needhelpinalgebra):
Find an equivalent function to f(x) = 5(3)^3^x. (5 points)
f(x) = 125^x(27)^x
f(x) = 15^2^x
f(x) = 5(27)^x
f(x) = 135^x
OpenStudy (andrewishere):
Oh wait
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OpenStudy (andrewishere):
omg
OpenStudy (andrewishere):
I just figured it out
OpenStudy (needhelpinalgebra):
what???
OpenStudy (andrewishere):
I thopught it was saying 3*squareroot of 5 divided by 4*squarerrot of 5
OpenStudy (andrewishere):
its the cuberoot of 5 divided by the fourth root of 5
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OpenStudy (needhelpinalgebra):
hmmm........ uhhh which answer would that be?
OpenStudy (andrewishere):
its 5 1/12
OpenStudy (andrewishere):
Geez
OpenStudy (needhelpinalgebra):
lmao. thanks. what about that other one?
OpenStudy (andrewishere):
Ok so 5*3 is what
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OpenStudy (andrewishere):
?
OpenStudy (needhelpinalgebra):
5 times 3 is 15.
OpenStudy (andrewishere):
Good now cube it.
15*15*15 + ?
OpenStudy (andrewishere):
The plus is supposed to be an =
OpenStudy (needhelpinalgebra):
3375?
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OpenStudy (andrewishere):
Good so the equation is really 3375^x
OpenStudy (needhelpinalgebra):
hmm. ok
OpenStudy (andrewishere):
Go down your choices and substitute 1 for x, which would make out current formula = 3375. Now we have to find one that gives us 3375 as well.
In the first one it would be (125^1) * (27^1), which is really 125*27, which equals 3375
OpenStudy (andrewishere):
BINGO
OpenStudy (andrewishere):
To check, if you divided 3375 by 125, you would get 27
If you divided 3375 by 27, you would get 125
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