Find the absolute value of the number.
A. 1
B. 6
C. 4
D. 3
E. 0
Answer: C
Mathematics
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Translate the problem to a system of equations; then solve using the elimination method.Mardi received an inheritance of $70,000. She invested part at an APR of 8 percent and deposited the remainder in tax-free bonds at an APR of 10 percent. Her total annual income from the investments was $6200. Find the amount invested at 8 percent.
A. $40,000 B. $63,800 C. $39,000 D. $20,000
Mathematics
Vectors A and B are at right angles. Find the magnitude and direction (from vector A) of the resultant.A = 16.1B = 33.3
A. R = 37, ? = 25.8° B. R = 37, ? = 64.2° C. R = 7, ? = 64.2° D. R = 7, ? = 25.8°
Mathematics
Add.38 + 6.3 + 20.569 + 2.06
A. 67.929 B. 66.929 C. 67.029 D. 66.93
Mathematics
Express the sum in sigma notation.- 
+ 
- 
+ 
- 
A. 
B. 
C. 
D. 
Mathematics