Your soccer team has won 9 games out of 12 games. You lost 3 out of 12 games. What is the relative frequency of winning a game.
1 answer:
Answer:
75%
Step-by-step explanation:
we know that
The frequency of winning is equal to the number of winning games
The relative frequency of winning a game is equal to the frequency of winning divided by the number of games
In this problem
The number of winning games is 9
so
The frequency of winning is 9
and
The number of games is 12
so
The Relative frequency of winning a game is
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Answer:
x = - 7, x = 1
Step-by-step explanation:
Given
x² + 6x = 7
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(3)x + 9 = 7 + 9
(x + 3)² = 16 ( take the square root of both sides )
x + 3 = ± = ± 4 ( subtract 3 from both sides )
x = - 3 ± 4
x = - 3 - 4 = - 7
x = - 3 + 4 = 1
Solution set = { - 7, 1 }