Solve the problem.The ratio of the lengths of strings that play the notes F and G is 9 to 8. If a string 48 centimeters long plays a G, what is the length of the string that plays an F?
A. 54 cm
B. 57 cm
C. 56 cm
D. 42.7 cm
Answer: A
Mathematics
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Perform the indicated operation.7 c 6 fl oz + 4 c 4 fl oz
A. 12 c 3 fl oz B. 11 c 2 fl oz C. 12 c 2 fl oz D. 13 c 2 fl oz
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Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
6
A. x10
B. 
C. x24
D. 
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Graph the solution set of the inequality and write it in interval notation.2 < x < 7
A. (2, 7)
B. [2, 7]
C. (2, 7)
D. [2, 7)
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State how many complex and real zeros the function has.f(x) = x2 + 8x - 7
A. 4 complex zeros; 2 real B. 2 complex zeros; 1 real C. 2 complex zeros; none real D. 2 complex zeros; both real
Mathematics