A canoeist rows downstream in 0.5 hours and back upstream in 4 hours. What is the rate of the current if the distance rowed is 4 miles in each direction?
?
A. 4.5 mph
B. 3.5 mph
C. 4 mph
D. 2 mph
E. 7 mph
Answer: B
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Evaluate the integral.
A. ?2
B. ?2
C. ?
D. ?
In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(,
)Find sin t.
A.
B.
C.
D.
Solve the problem.Use of the internet for shopping is increasing dramatically, but still is somewhat age dependent. When a popular web site that sells books asked the age of users who bought products from them over the internet, they obtained the following data. What is the probability that a buyer on this web site is aged
A. 4.32% B. 2.67% C. 4.26% D. 2.74%
Solve. Write a mixed numeral for the answer.A worker has readings that take 2 minutes each to read and record. How many readings can be completed in 168 minutes?
A. 114 readings B. 63 readings C. 448 readings D. 10 readings