Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.A flat rectangular piece of aluminum has a perimeter of 64 inches. The length is 16 inches longer than the width. Find the width.
A. 8 in.
B. 32 in.
C. 40 in.
D. 24 in.
Answer: A
You might also like to view...
Solve. A science student watching a group of ants moving along a straight line determines that their position along the line at time t is given by the polynomial 
Factor the polynomial.
A. t(t2 + 3t - 26) B. t(t3 + 3t2 + 26t) C. t(t3 + 3t2 - 13t + 39) D. t(t2 + 3t + 26)
Perform the indicated operation. Write the answer in simplest form.1
÷ 
A. 8
B. 7
C. 10
D. 9
Multiply. Be sure your answer is simplified.
? 9
A. 
B. 
C. 
D. 
Solve the problem.A stone thrown downward with an initial velocity of 34.3 m/sec will travel a distance of s meters, where s(t) = 4.9t2 + 34.3t and t is in seconds. If a stone is thrown downward at 34.3 m/sec from a height of 382.2 m, how long will it take the stone to hit the ground? Round your answer to the nearest second.
A. 19 sec B. 13 sec C. 7 sec D. 6 sec