Multiply top by top
2 * -3 = -6
Multiply bottom
7 * 8 = 56
The answer is -6/56
Simplify = -3/28
Multiply the numerators and denominators together:
-24/150
Divide the numerator and denominator by 6:
-24 / 6 = -4
150 / 6 = 25
-4/25
Answer:
x < 1/2 and x>2
Step-by-step explanation:
first solve the eqn,
2x2 -5x +2 = 2x2 -4x -x +2 = 2x(x-2) - 1(x-2) = (2x-1)(x-2)
since the questions asks for >,
x < 1/2 and x>2
if the question had asked for <,
1/2<x<2
There are 30-18 = 12 girls. Their percentage is
... 12/30 × 100% = 40%