Add or subtract, as indicated. Assume that all variables represent positive real numbers.2
+ 5
A. 7
B. 7
C. 10
D. -3
Answer: A
Mathematics
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Solve the problem.Find x so that the vectors v = i - xj and w = -4i - 3j are orthogonal.
A. - 
B. - 
C. 
D. 
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Convert the decimal form numeral to a numeral in the base indicated.13,562 to base 7
A. 54,1217 B. 54,3537 C. 53,4567 D. 53,7437
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Simplify the expression. Assume that all variables are positive when they appear.
A. 9x2y
B. 63xy
C. 3x2y
D. 3x4y2
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Convert.7.8 meters = ___ centimeters
A. 780 B. 0.078 C. 0.0078 D. 7800
Mathematics