Find the surface area of the solid correct to the nearest square unit. (Note that the container does not have top.)
?
??r? = 2.8?, ?h? = 4.4.
?
?
A. 77 cm 2
B. 12 cm 2
C. 204 cm 2
D. 102 cm 2
E. 108 cm 2
Answer: D
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Solve the problem.Suppose that y is inversely proportional to x and that y = 24.5 when x = 7. Find the constant of proportionality k. Then, find y when x = 49.
A. k = 171.5; y = 3.5 B. k = 156.8; y = 3.2 C. k = 186.2; y = 3.8 D. k = 3.5; y = 171.5
Find the required ratio.The ratio of the cylinder volume to the compressed volume in an automobile engine is called the compression ratio. If the cylinder volume of 
is compressed to 
find the compression ratio, correct to the nearest hundredth.
A. 4.41 B. 5.41 C. 1.23 D. 0.23
Evaluate the expression for othe given values of the variables.-6x + 5y + 3z for x = -2, y = 3, and z = -4
A. 1 B. 33 C. -40 D. 15
Determine whether the given value is a solution of the equation.x = 
, 
x + 
= 1
A. Yes B. No