Find the sum. Assume that all variable factors in the denominators are not equal to zero.
+ 
A. 
B. 
+ 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A force of magnitude 14 pounds pulling on a suitcase makes an angle of 60° with the ground. Express the force in terms of its i and j components.
A. 0.5000i + + 0.8660j B. 7.000i + 12.12 j C. -13.33i - 4.267j D. 12.12i + 7.000j
Mathematics
Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.
A. m8
B. m5
C. m8
D. 
Mathematics
Simplify using the power rule of exponents and the rule for raising a product to a power.(-0.2r2s7t3)2
A. 0.04r4s14t6 B. 0.4r2s7t6 C. -0.2r4s9t5 D. -0.04r4s14t6
Mathematics
Use the given information to find the exact value of the trigonometric function.sec ? = - 
; The terminal side of ? lies in Quadrant II.
Find sin 
.
A. - 
B. 
C. - 
D. 
Mathematics