Solve the problem. Assume all data are accurate to two significant digits unless greater accuracy is given.Two cities are 81.4km apart. Vehicle A leaves one city at the same time vehicle B leaves the other. Find the speed of vehicle A if it travels 6.5 km/h faster than vehicle B and if they pass in 14.7 minutes.
A. 6.0 km/h
B. 169.4 km/h
C. 166.3 km/h
D. 162.9 km/h
Answer: B
Mathematics
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Perform the indicated operation.(-6x4 + 9x6 - 4 - 2x5) - (9 + 4x5 + 3x6 - 8x4)
A. 12x6 + 2x5 - 14x4 + 5 B. 12x6 + 2x5 - 14x4 - 13 C. 6x6 - 6x5 + 2x4 - 13 D. 6x6 + 2x5 - 14x4 + 5
Mathematics
Provide an appropriate response.As a rule, in compound interest problems the more compounding periods per year, the greater the amount of interest.
A. True B. False
Mathematics
Write a formula for the nth term of the geometric sequence.0.008, 0.16, 3.2, 64, . . .
A. an = 0.008(20)n - 1 B. an = 0.08(20)n - 1 C. an = 8(20)n D. an = 8(0.2)n
Mathematics
Provide an appropriate response.Explain the error in the following: log68 - log6N = log6(8 - N).
What will be an ideal response?
Mathematics