Provide an appropriate response.Suppose you want to multiply 505 ? 495 without a calculator. Explain how to do this using the fact that 505 ? 495 = (500 + 5)(500 - 5).
What will be an ideal response?
(500 + 5)(500 - 5) = 5002 - 52 = 249,975
You might also like to view...
Use elimination to solve the system of equations.x - 6y = -54-3x - 5y = -45
A. Inconsistent; no solutions B. (0, 9) C. (1, 8) D. (-9, 0)
Solve the combined inequality and graph the solution set. Write the solution in interval notation.-36 ? -5x - 1 < -11
A. (-7, -2]
B. [2, 7)
C. (2, 7]
D. [-7, -2)
What is the domain of f(x)? What is its range?f(x) = 
+ 9
A. Domain: (-?, 8) ? (8, ?); range: (-?, 9) ? (9, ?) B. Domain: (-?, 0) ? (0, ?); range: (-?, -9) ? (-9, ?) C. Domain: (-?, 0) ? (0, ?); range: (-?, 9) ? (9, ?) D. Domain: (-?, 9) ? (9, ?); range: (-?, 0) ? (0, ?)
Determine which point lies on the graph of the equation 
.
A. (0, -10) B. (1, -10) C. (0, -12) D. (2, -11) E. (1, -12)