Let width and length be x and y respectively.
Perimeter (32in) =2x+2y=> 16=x+y => y=16-x
Area, A = xy = x(16-x) = 16x-x^2
The function to maximize is area: A=16 x-x^2
For maximum area, the first derivative of A =0 => A'=16-2x =0
Solving for x: 16-2x=0 =>2x=16 => x=8 in
And therefore, y=16-8 = 8 in
Answer:
-5
Step-by-step explanation:
its the same as adding positive numbers but with a minus sign so -3+(-2)= -5
Answer: 14.99
Step-by-step explanation:C=2πr
d=2r
Solving ford
d=C
π=47.1
π≈14.9924
Answer:
42
Step-by-step explanation:
Answer:

Step-by-step explanation:

Multiply each side by -5.

Switch signs when multiplying or dividing by a negative integer.
