Evaluate the integral.
A. 72
B. 56
C. 51.17
D. 34.67
Answer: D
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Use the two steps for solving a linear programming problem to solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 9 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A. 
sacks of soybeans and 
sacks of oats
B. 
sacks of soybeans and 
sacks of oats
C.
| 2 sacks of soybeans and 0 sacks of oats |
D. 0 sacks of soybeans and 2 sacks of oats
Solve the problem.Evaluate 
at t = 3 for the function w(x, y, z) = exyz2; x = t, y = t, z = 
.
A. 0
B. 
C. - 
e
D. 
e
Find the slope of the line.Passes through (-7, -6) and (8, -8)
A. m = - 
B. m = - 14
C. m = - 
D. m = 
A sphere has a volume of 3.32 cubic inches. What is the radius of the sphere? Round your answer to four decimal places. ?
A. 0.9254 inch B. 1.4690 inches C. 0.8903 inch D. 1.7806 inches E. 1.6148 inches