LW = A
L(L - 3) = 18
L^2 - 3L - 18 = 0
(L - 6) (L + 3) = 0
L could be 6 or -3 ( -3 cannot be a length of a side of a rectangle since it’s negative.)
So L = 6 and W= 3
Answer:
like 2/3= 6/12
Step-by-step explanation:
or 2/10= 1/5 ????
I scanned it with an answer finder! Hope this helps
Answer is 44-2/5
Step by step. I did a print screen showing how we can use cancellation with the 3 and 9 so the numbers are smaller. Then we multiplied across to get 222/5.
Divide 222 by 5 = 44-4/10, simplified to 44-2/5.
Answer:
brownies per hour
Step-by-step explanation:
Given parameters:
Number of brownies = of a dozen
Time taken = 3hrs
Unknown:
Average baking per hour = ?
Solution:
The average baking per hour;
This is a rate problem;
Average baking per hour =
Number of brownies = x 12 =
Average baking per hour =
=
=
= 3brownies per hour