Perform the indicated operations.(-9x2y - xy) + (4x2y + 7xy)
A. 13x2y + 8xy
B. -5x2y + 8xy
C. 13x2y + 6xy
D. -5x2y + 6xy
Answer: D
Mathematics
You might also like to view...
When directed distance is decreasing, what can be said about velocity? ?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. Velocity is increasing.
Mathematics
Solve.A rectangle that is x feet wide is inscribed in a circle of radius 32 feet. Express the area of the rectangle as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of a foot, which will maximize the area of the rectangle.
A. 45.3 feet B. 44.5 feet C. 45.7 feet D. 44.9 feet
Mathematics
Write the expression in the form bi, where b is a real number.- 
A. -5
B. 5i
C. -5i
D. 5
Mathematics
Multiply. Simplify your answer.8 × 6
A. 14
B. 48
C. 48
D. 48
Mathematics