Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 25 coins with a total face value of $3.05, how many of the coins are nickels?
A. 16 nickels
B. 18 nickels
C. 9 nickels
D. 14 nickels
Answer: A
Mathematics
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Express the given function as a composite of functions f and g such that y = f(g(x)).y =
A. f(x) = 2, g(x) =
B. f(x) = , g(x) = 2
C. f(x) = , g(x) = 7x + 10
D. f(x) = , g(x) = 7x + 10
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Solve the equation on the interval 0 ? ? < 2?.sin2 ? - cos2 ? + cos ? = 0
A.
B.
C.
D.
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Decide whether or not the ordered pair is a solution of the system.(-4, -6)4x + y = -103x + 4y = 12
A. Yes B. No
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Divide and simplify. ÷
A.
B.
C.
D.
Mathematics