Solve the problem and answer the question.A boat moves 9 kilometers upstream in the same amount of time it moves 15 kilometers downstream. If the rate of the current is 8 kilometers per hour (kph), find the rate of the boat in still water.
A. 12 kph
B. 8 kph
C. 22
kph
D. 32 kph
Answer: D
Mathematics
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Evaluate the work done between point 1 and point 2 for the conservative field F.F = 9 sin 9x cos 8y cos 4zi + 8 cos 9x sin 8y cos 4zj + 4 cos 9x cos 8y sin 4zk ; P1(0, 0, 0) , P2
A. W = 1 B. W = -2 C. W = 2 D. W = 0
Mathematics
Write the inequality in interval notation.-3 < x < 1
A. [-3, 1] B. (-3, 1] C. [-3, 1) D. (-3, 1)
Mathematics
Round the decimal to the given place value.13.47657 to the nearest hundredth
A. 13.477 B. 13.4766 C. 13.49 D. 13.48
Mathematics
After reading the sentence, correctly fill in the blank with one of the following inequality symbols: <, >, ?, or ?.The governor reported that the tornado damage was less than 10 million dollars.The tornado damage was ______ 10 million dollars.
A. ? B. ? C. < D. >
Mathematics