Evaluate the sum using the summation formula and property.
?
?
A. 2,980
B. 3,080
C. 2,880
D. 3,180
E. 3,280
Answer: B
Mathematics
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at t = 
? for the function w = 
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A. 
B. - 
C. - 
D. - 
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Find the value of the trigonometric function.tan 938°
A. 2.5 B. -0.79 C. 0.14 D. 0.78
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Solve the problem.
Barbara knows that she will need to buy a new car in 5 years. The car will cost $15,000 by then. How much should she invest now at 4%, compounded quarterly, so that she will have enough to buy a new car?
A. $13,585.96 B. $11,854.72 C. $12,293.10 D. $12,822.06
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Solve the equation by the method of your choice. Simplify solutions, if possible.5x2 - 
x - 1 = 0
A. 
B. 
C. 
D. 
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