Use the variable x for the unknown. Write an equation representing the verbal sentence and solve the problem.When 5 times a number is subtracted from 7 times the number, the result is 14.
A. 5x + 7x = 14; 2
B. 5x(7 - x) = 14; -7
C. 7x - 5x = 14; 7
D. 5(x - 7) = 14x; 0.3
Answer: C
Mathematics
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 20, v(0) = 5, s(0) = 6
A. s = -10t2 - 5t + 6 B. s = 10t2 + 5t + 6 C. s = 20t2 + 5t + 6 D. s = 10t2 + 5t
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Find the sum.
A. 
B. 
C. - 
D. Does not exist
Mathematics
Solve the equation.
+ 
= -1
A. 1
B. 
C. 0
D. No solution
Mathematics
Match the given equation with one of the graphs.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics