Use a graphing utility to graph the polar equation.r cos ? = 26
-6
A.
| 6 |
| -6 |
B.
| 6 |
| -6 |
C.
| 6 |
| -6 |
D.
| 6 |
| -6 |
Answer: D
Mathematics
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Find the present value of the given annuity. Round to the nearest cent.Payments of $76 made quarterly for 10 years at 4% compounded quarterly
A. $2495.44 B. $2044.60 C. $2472.70 D. $746.18
Mathematics
Find the length of the third side of the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. c = 
cm; c ? 4.359 cm
B. c = 
cm; c = 110.5 cm
C. c = 221 cm
D. c = 
cm; c ? 14.866 cm
Mathematics
Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.
+ 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
Combine and simplify, if possible.7
+ 8
A. 31
B. 15
C. -31
D. 17
Mathematics