Solve the problem.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 82 feet and the radius of the hemisphere is r feet, express the volume of the silo as a function of r.
A. V(r) = ?(82 - r)r2 + 
?r3
B. V(r) = 82?r2 + 
?r3
C. V(r) = ?(82 - r) + 
?r2
D. V(r) = ?(82 - r)r3 + 
?r2
Answer: A
Mathematics
You might also like to view...
Find the nth, or general, term for the geometric sequence.-1, 1, -1, 1, ...
A. an = (-1)n B. an = -1n C. an = (-1)n-1 D. an = -1n-1
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.121 - x2
A. (11 - x)2 B. prime C. (11 + x)2 D. (11 - x)(11 + x)
Mathematics
Multiply the polynomials.(6x - 1)(36x2 + 6x + 1)
A. 36x3 - 1 B. 216x3 - 1 C. 216x3 + 42x2 - 1 D. 216x3 + 1
Mathematics
Use the circle graph to solve the problem. Give your answer as a fraction, decimal, and as a percent.The circle graph below shows the majors for 160 college students at Blackwood Community College. What portion of the students are majoring in science?
A.
 ; 0.4; 40% |
B.
; 0.4; 4%C.
; 0.33; 33%D.
 ; 0.2; 20% |
Mathematics