Solve the system of linear equations using matrices.
A. ( -5, -2)
B. (5, -2)
C. (-5, 2)
D. (5, 2)
Answer: B
Mathematics
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Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.811/4
A. 12 B. 36 C. 3 D. 243
Mathematics
A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a length of 15 cm. How much work is done in stretching the spring from 12cm to 26cm?
Select the correct answer. a. 10.80J b. 14.00J c. 12.00J d. 9.80J e. 13.00J
Mathematics
Find the real solutions of the equation.
= x
A. no real solution
B. 
C. {12}
D. {-5, 12}
Mathematics
Factor completely.
A. 
B. 
C. 
D. prime
E. none of these
Mathematics