Solving 
we get 
Step-by-step explanation:
We need to find the value of a. We are given:
Solving:
So, Solving we get
Keywords: Solving Expressions
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8n=7n+1/2
2.8n=7n+1
16n-7n =1
9n=1
n=1/9
Answer:
A.20 ft
Step-by-step explanation:
the shadow is double the height of the object.
Answer:
Starcraft
a) Probability of losing at most 2 games = 33%
b) Probability of winning at least 4 games = 67%
Step-by-step explanation:
a) To lose 2 out of 6 games, the probability is 2/6 x 100 = 33.333%
b) To win at least 4 games out of 6, the probability is 4/6 x 100 = 66.667%
c) Since Serral is playing 6 games, for her to lose at most 2 of the games is described as a probability in this form 2/6 x 100. This shows the chance that 2 of the games out of 6 could be lost by Serral. On the other hand, the probability of Serral winning at least 4 of the 6 games is given as 4/6 x 100. It implies that there is a chance, 4 out of 6, that Serral would win the game.
7 is the independent variable in this equation because it is a constant, it does not change in any case.
