Rationalize the denominator and simplify. Assume that variables represent positive values.
A.
B.
C.
D.
Answer: C
Mathematics
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Solve the problem.A cashier has a total of 124 bills, made up of fives and tens. The total value of the money is $920. How many ten-dollar bills does the cashier have?
A. 90 ten-dollar bills B. 60 ten-dollar bills C. 30 ten-dollar bills D. 64 ten-dollar bills
Mathematics
Find the value of a so that the trigonometric function passes through the given point.y = a cos x(2?, 2)
A. 2? B. -2 C. 1 D. 2
Mathematics
Given f(x) and g(x), find the sum or difference as indicated.If f(x) = and g(x) = x2
, find f(x) + g(x).
A. 9x2
B. 9
C. 9x
D. 9x2
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = (x - 6)2, x ? 6; g(x) =
A. Yes B. No
Mathematics