Translate to an equation. Do not solve.What is 34% of 45?
A. n = 34% × 45
B. 34 = n × 45%
C. n × 34% = 45
D. n = 45% × 34
Answer: A
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Divide.
A. 141 R5 B. 138 C. 141 R45 D. 138 R6
Solve the equation by factoring.81t3 - 36t = 0
A. 0
B. - ,
C. - ,
, 0
D.
Solve the problem.A nuclear scientist has a sample of of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
A. y = 92e-0.0686x, 5.9 mg B. y = 86e-0.071x, 5.0 mg C. y = 100e-0.077x, 4.6 mg D. y = 100e-0.077x, 6.7 mg
Identify the operation to perform on each side of the equation to isolate the variable.14 = 7.6 + q
A. Subtract 14 B. Subtract 7.6 C. Add 14 D. Add 7.6