Determine whether the given equation is an identity.8k - 40 = 2(4k - 22)
A. Yes
B. No
Answer: B
Mathematics
You might also like to view...
Solve the problem.An electrician charges a fee of $50 plus $35 per hour. Let y be the cost in dollars of using the electrician for x hours. Find the slope-intercept form of the equation.
A. y = 35x - 50 B. y = 50x + 35 C. y = 35x + 50 D. y = 50x - 35
Mathematics
Divide.(3r3 - 20r2 - 23r - 72) ÷ (r - 8)
A. 3r2 - 4r - 9
B. 3r2 + 4r + 
C. r2 + 9r + 4
D. 3r2 + 4r + 9
Mathematics
Solve. Provide answers in interval notation.x2 - 3x - 10 < 0
A. (-?, -2) B. (-?, -2) ? (5, ?) C. (-2, 5) D. (5, ?)
Mathematics
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log x = 0.5
A. 0.316 B. 31.623 C. 3.162 D. No solution
Mathematics