Solve.A boat goes 270 miles downstream in the same time it can go 240 miles upstream. The speed of the current is 9 miles per hour. Find the speed of the boat in still water.
A. 162 mph
B. 51 mph
C. 153 mph
D. 144 mph
Answer: C
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 22
B. 
C. 44
D. 30
Mathematics
Solve the problem.An architect needs to design a rectangular room with an area of 77 ft2. What dimensions should he use in order to minimize the perimeter? Round to the nearest hundredth, if necessary.
A. 19.25 ft x 19.25 ft B. 8.77 ft x 19.25 ft C. 8.77 ft x 8.77 ft D. 15.4 ft x 77 ft
Mathematics
Solve the equation.2w - 4 = 0
A. -2 B. 0 C. 4 D. 2
Mathematics
Provide an appropriate response.Use the Intermediate Value Theorem to prove that -10x4 + 6x3 + 9x - 1 = 0 has a solution between 1 and 2.
What will be an ideal response?
Mathematics