Decide whether the ordered pair is a solution of the given system.(-1, 5)y = x2+ 62x + y = 5
A. Yes
B. No
Answer: B
Mathematics
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Solve the problem.What is the minimum force required to prevent a ball weighing 19.7 lb from rolling down a ramp which is inclined 36.4° with the horizontal? Round to the nearest tenth of a pound.
A. 5.9 lb B. 8 lb C. 15.9 lb D. 11.7 lb
Mathematics
Solve the problem.Subtract (20a4 - 13a3) from (-5a4 - 17a3).
A. -25a4 - 30a3 B. 15a4 - 30a3 C. -29a7 D. -25a4 - 4a3
Mathematics
Simplify the expression.-(7xv - 3) + 6(5xv + 8)
A. 37xv + 11 B. 37xv + 5 C. 23xv + 51 D. -23xv + 45
Mathematics
The following proportion has two solutions. Find the sum of the solutions.
?
?
A. 18 B. 5 C. -13 D. 13 E. -5
Mathematics