Solve the problem.A vehicle parked on the street that is 4 feet tall casts a shadow 16 feet long. At the same time, a house nearby casts a shadow 48 feet long. Find the height of the house.
A. 14 ft
B. 12 ft
C. 16 ft
D. 6 ft
Answer: B
Mathematics
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The growth rate G, in millions per year, of a certain population depends on the number N, in millions, of individuals present. The relationship is
.
?
What is the maximum growth rate of the population? Round your answer to two decimal places.
?
A. 1.29 million per year B. 0.49 million per year C. 0.86 million per year D. 0.15 million per year
Mathematics
Write a statement that represents the relationship between the following.
and 
A. A ? B B. A ? B C. A = B D. A ? B
Mathematics
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
(
+ 1)
B. 
(
+ 1)
C. 
(
+ 1)
D. 
(
- 1)
Mathematics
Find the second-order partial derivative.Find 
when z = exln ?y?.
A. 
B. - 
C. 
D. - 
Mathematics