Solve the problem.Julie and Eric row their boat (at a constant speed) 32 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 8 hours. Find the rate of the current.
A. 6 mph
B. 3 mph
C. 2 mph
D. 1.5 mph
Answer: C
Mathematics
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Assume that p represents a true statement, q represents a true statement, and r represents a false statement. Determine the truth value of the following.(q ? ~r) ? (~p ? r)
A. False B. True
Mathematics
Solve the equation graphically in the interval [-7, 6].
(a) x = 3.17 (b) x = 3.19 (c) x = - 2.17 (d) x = - 2.17, x = 3.17 (e) x = - 2.19, x = 3.19
Mathematics
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 2x
A. 4; (x + 2)2 B. 1; (x + 1)2 C. 1; (x - 1)2 D. 0; (x + 1)2
Mathematics
Find the root.
A. 25 B. 5 C. 11 D. Not a real number
Mathematics