Answer:
we have
C = 1.5d
or
d=C/1.5
Step-by-step explanation:
when d is 12
C=1.5×12=18
when c=15
d=15/1.5=10
Answer:
3600
Step-by-step explanation:
perimeter is 120ft
Goal is to get the largest area.
so you can start with a list of possible solutions:
1*119 = 119ft
2*118 = 236ft
.
.
.
60*60 =3600ft
61*59 = 3599ft
.
.
Answer:
- Collect like terms and simplify
- Subtract 7 from both sides
Step-by-step explanation:
METHOD 1

METHOD 2

(4x + 3y)² =
<span>(4x)² + 2 (4x) (3y) + (3y)² = </span>
<span>16x² + 24xy + 9y²</span>