Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.When 3 times a number is subtracted from 7 times the number, the result is 44. Find the number.
A. 3(x - 7) = 44x; 2
B. 7x - 3x = 44; 11
C. 3x + 11x = 44; 4
D. 3x(7 - x) = 44; -11
Answer: B
Mathematics
You might also like to view...
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(0, 0)} C. {(-1, 1)} D. {(-1, -1)}
Mathematics
Find the limit.
(x2 + 8x - 2)
A. 0 B. 18 C. does not exist D. -18
Mathematics
Compute the gradient of the function at the given point.f(x, y) = cos -7?x + sin 6?y, p = 
A. 6?j B. -7?i + 6?j C. 7?i + 6?j D. 7?i - 6?j
Mathematics
Find the largest open interval where the function is changing as requested.Increasing f(x) = x2 - 2x + 1
A. (-?, 1) B. (-?, 0) C. (1, ?) D. (0, ?)
Mathematics