Area of a square = Side × Side
Side = 7x-3
Area of the square = (7x-3) × (7x-3)
= 7x(7x-3) -3(7x-3)
= 49x^2 -21x -21x +9
=49x^2 -42x +9
Answer:
143.864
Step-by-step explanation:
Answer:
Step-by-step explanation:
let x be the number
6+1/5x=12
1/5x=12-6
1/5x=6
x=5*6
x=30
check: 6+(1/5*30)=6+6=12
Answer:
1/4 - 1/8 = 2/8 - 1/8 = 1/8
The probability of drawing a white marble =

∴ the probability of drawing a white marble = ³/₁₄