Solve the system by the elimination method. x - 5y = 4-5x - 5y = 40
A. {(2, -6)}
B. {(-5, -3)}
C. ?
D. {(-6, -2)}
Answer: D
You might also like to view...
Solve the equation.
= 81
A. 9 B. 262,144 C. 729 D. 6561
Solve.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $2400.00 with an interest rate of 5% earned $360.00 in simple interest. Find the amount of simple interest earned if the principle is $4000.00 and the interest rate is 3%.
A. $216.00 B. $600.00 C. $360.00 D. $36,000.00
Write an equation, in slope-intercept form if possible, of the line through the pair of points.(7, 1) and (-6, 1)
A. -6x + 7y = 0 B. y = 1 C. x = 7 D. 7x - 6y = 0
Use a system of linear equations to solve the problem.A chemist needs 130 milliliters of a 68% solution but has only 36% and 88% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 55 mL of 36%; 80 mL of 88% B. 80 mL of 36%; 50 mL of 88% C. 55 mL of 36%; 75 mL of 88% D. 50 mL of 36%; 80 mL of 88%