Use the formulas 
= 
, 
= 
, and 
= 
2 to find the sum.
A. 18,120
B. 1360
C. 14,520
D. 5440
Answer: B
Mathematics
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Find the indicated vector.Let u = 
, v = 
. Find 
u + 
v.
A. 
B. 
C. 
D. 
Mathematics
Solve.A treatment plant with a capacity of 30 MGD (million gallons per day) has a normal daily flow equal to 65% of capacity. When it rains the flow increases by 28% of the normal flow. What is the flow on a rainy day?
A. 24.96 MGD B. 22.92 MGD C. 24.98 MGD D. 22.97 MGD
Mathematics
The position of a car is given by the values in the following table.
Find the average velocity for the time period beginning when t=2 and lasting 2 seconds.
a. 46.1 ft/s
b. 31.9 ft/s
c. 33.5 ft/s
d. 33.8 ft/s
e. 33.2 ft/s
Mathematics
Answer each question appropriately.Suppose that 
= 15. Find 
, if f is even.
A. -75 B. 75 C. -15 D. 15
Mathematics