Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 11 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 55 ft
B. 1.98 ft
C. 11 ft
D. 198 ft
Answer: A
Mathematics
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Calculate the area of the surface S.S is the portion of the sphere x2 + y2 + z2 = 64 between z = - 4
and z = 4
.
A. 128
?
B. 128?
C. 64
?
D. 8
?
Mathematics
Use the figure to answer the question.The bar graph below shows the number of students by major in the College of Arts and Sciences.
What is the ratio of history majors to the total number of students in the college?
A. 12 to 49 B. 12 to 48 or 1 to 4 C. 49 to 8 D. 12 to 16 or 3 to 4
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Find the area bounded by the given curves.x = 0, x = -2, y = ex, y = 0
A. 0.78 B. 0.86 C. 0.96 D. 0.68
Mathematics
Simplify by first writing the expression in radical form.253/2 - 82/3
A. 
B. 17
C. 5
- 16
D. 121
Mathematics