Answer:
21/50, 42%
Step-by-step explanation:
The total times the coin was flipped is 50 and the number of times it landed on tails is 50-29=21. So we need to divide 21 by 50, which gives us 42%.
x = - 9
Given
3x + 2 = 2x - 7 ( subtract 2x from both sides )
x + 2 = - 7 ( subtract 2 from both sides )
(3n)^2
3^2 n^2
3*3 *n*n
9 n*n