we have
------> equation 
------> equation 
Multiply by the equation
------> equation 
Sum equation and equation
Substitute the value of x in the equation
therefore
the answer is the option B
The perimeter is:
P = 2x + 2y = 80
The area is:
A = x * y
The area as a function of a variable is:
A (x) = x * (40-x)
Rewriting we have:
A (x) = 40x-x ^ 2
We derive the function:
A '(x) = 40-2x
We equal zero and clear x:
40-2x = 0
2x = 40
x = 40/2
x = 20 feet
The other dimension is:
y = 40 - x
y = 40 - 20
y = 20 feet
The area will be:
A = x * y
A = 20 * 20
A = 400 feet ^ 2
Answer:
The dimensions are:
x = 20 feet
y = 20 feet
The area is:
A = 400 feet ^ 2
Answer:
Step-by-step explanation:
street never meet
D, it is term number 4....
Answer:
option 2
Step-by-step explanation:
they have the same shape AND angle meaning they are more so similar than other options
