Which is the graph of 2x – 4y > 6? On a coordinate plane, a dashed straight line with a positive slope goes through (negative
2, negative 2) and (1, 0). Everything to the right of the line is shaded. On a coordinate plane, a dashed straight line with positive slope goes through (negative 3, negative 3) and (3, 0). Everything to the left of the line is shaded. On a coordinate plane, a dashed straight line with a positive slope goes through (negative 2, negative 2) and (1, 0). Everything to the left of the line is shaded. On a coordinate plane, a dashed straight line with positive slope goes through (negative 3, negative 3) and (3, 0). Everything to the right of the line is shaded.
3 answers:
Answer:
The graph in the attached figure
Step-by-step explanation:
we have
solve for y
Divide by -4 both sides
Remember
when you multiply or divide both sides of an inequality by a negative number, you must reverse the inequality symbol
The solution of the inequality is the shaded area below the dashed line
The slope of the dashed line is positive m=0.5
The y-intercept of the dashed line is (0,-1.5)
The x-intercept of the dashed line is (3,0)
therefore
The graph in the attached figure
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Answer:
The confidence interval for the difference in proportions is
No. As the 95% CI include both negative and positive values, no proportion is significantly different from the other to conclude there is a difference between them.
Step-by-step explanation:
We have to construct a confidence interval for the difference of proportions.
The difference in the sample proportions is:
The estimated standard error is:
The z-value for a 95% confidence interval is z=1.96.
Then, the lower and upper bounds are:
The confidence interval for the difference in proportions is
<em>Can it be concluded that there is a difference in the proportion of drivers who wear a seat belt at all times based on age group?</em>
No. It can not be concluded that there is a difference in the proportion of drivers who wear a seat belt at all times based on age group, as the confidence interval include both positive and negative values.
This means that we are not confident that the actual difference of proportions is positive or negative. No proportion is significantly different from the other to conclude there is a difference.
Given:
There are 4 quarts in a gallon.
She wants to convert 6 quarts to a gallon.
To find:
Whether she should multiply 6 by 4 or divide 6 by 4 to find her answer.
Solution:
We have,
Here, 6 quarts is equal to gallon. It means we need to multiply 6 by 4 in
to find the answer.