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if x and y are positive integers and 3^2x times 3^2y=81, what is the value of x+y?

If the average of x, 5x, and 6x is 8, what is the value of x?

Math SAT

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Answers

1
If the average of x, 5x, and 6x is 8, what is the value of x?
5
3
1
2
2
if x and y are positive integers and 3^2x times 3^2y=81, what is the value of x+y?
4
3/2
81
2
3
Empty question
Empty choice
Empty choice
4
What is |x-3|=1/2?
4/7
1/2
3.5
5/2
5
If k=x/3 and x does not equal 0, what does 3x equal in terms of k?
k
k/3
9/k
9k
6
If a=4, which of the following is equivalent to am^2+am+a?
4(m^3+1)
4
4(m^2+m+1)