Use a proportion to solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 48 centimeters long plays a B, what is the length of the string that plays a D?
A. 97 centimeters
B. 75 centimeters
C. 64 centimeters
D. 81 centimeters
Answer: D
Mathematics
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Express the number in scientific notation.A computer compiles a program in 0.00000327 seconds.
A. 3.27 × 105 B. 3.27 × 10-7 C. 3.27 × 10-6 D. 3.27 × 10-8
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Solve the equation.5 + 30 = x + 9
A. 26 B. 44 C. -26 D. -44
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Add the following binary numbers and check your result by decimal addition.
A. 110 B. 1110 C. 1100 D. 1101 E. 101
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Sketch the graph of the equation.4x + 3y = 12
A. 
B. 
C. 
D. 
Mathematics