Find the sum of the geometric series.Express the answer as a fraction.

A.
B.
C.
D.


Answer: A

Mathematics

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Write the partial fraction decomposition of the rational expression.

A.  +  - 
B. -  -  - 
C. -  +  + 
D.  +  + 

Mathematics

Solve the problem.Two forces, F1 of magnitude 60 newtons (N) and F2 of magnitude 70 newtons, act on an object at angles of  and  (respectively) with the positive x-axis. Find the direction and magnitude of the resultant force; that is, find  Round the direction and magnitude to two decimal places.

What will be an ideal response?

Mathematics

Solve the equation by completing the square.x2 - 8x + 52 = 0

A. -2, 10   B. 8 ± 12i   C. -4 ± 6i   D. 4 ± 6i  

Mathematics

A square wheat field is watered by a center pivot irrigation system with a radius of 20 feet. To the nearest square foot, find the area of the field that will not be irrigated.

Mathematics