A square has an perimeter of 4cm what is the length of each side
1 answer:
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Answer:
D
Step-by-step explanation:
let y = f(x), that is
y =
Rearrange making x the subject
Multiply both sides by 5
5y = 2x - 3 ( add 3 to both sides )
5y + 3 = 2x (divide both sides by 2 ) , then
x =
Change y back into term of x, hence
(x) =
→ D
Answer:
d
Step-by-step explanation:
base² + Altitude² = Hypotenuse²
x² + 9² = 13²
x² + 81 = 169
x² = 169 - 81
x² = 88
x =