Answer:
I think it's E and F. Let me know if I am wrong.
Step-by-step explanation:
A. Diagonals bisect each other is always true. Each diagonal<span> cuts the </span>other<span> into two equal parts. It is because of the parallel lines in the parallelogram. </span>
Answer:
a
Step-by-step explanation:
The maximum profit is the highest point on the curve at (3, 45), and since the y-value is the profit in hundreds of dollars, the maximum profit is $4500.
The shop is making a profit as long as the curve is above the x-axis, so this is over the given interval (0, 10).
The maximum profit is earned at x = 3, and the x-value is the money spent on advertising in hundreds of dollars, so this means that $300 was spent of advertising.
Answer:
Step-by-step explanation:
Given
-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:
Calculating 
For a 90% confidence level, the z-score is 1.65. So:
Calculating the standard deviation 
So:
So:
