Graph linear equation 6x - 2y = 12
1 answer:
The graph of the linear equation 6x - 2y = 12 would be option C .
<h3>What is a linear equation?</h3>Linear equation is equation in which each term has at max one degree. Linear equation in variable x and y can be written in the form y = mx + c
Linear equation with two variables, when graphed on the cartesian plane with axes of those variables, give a straight line.
Subtract both sides from 6x, leaving you with the equation:
-2y = -6x + 12
Now, you divide all of the sides by -2,
y = 3x - 6
The graph of the linear equation 6x - 2y = 12 would be option C .
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Answer:
We need a sample size of least 119
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
The margin of error is:
95% confidence level
So , z is the value of Z that has a pvalue of
, so
.
Sample size needed
At least n, in which n is found when
We don't know the proportion, so we use , which is when we would need the largest sample size.
Rounding up
We need a sample size of least 119