Answer:
x-intercepts = (-3/4, 0)
y-intercepts = (0, 3/7)
Step-by-step explanation:
The rule for a 270° counterclockwise rotation is (x, y) ---> (y, -x).
So if you rotated (-5,5) 270° counterclockwise around the origin the new coordinates would be (-5,-5).
Hope this Helps!!
Answer: c.) Sales tax varies by state, so you can travel to a state with a lower tax rate and make your purchase there.
Step-by-step explanation:
Sales tax rates vary significantly from state to state, so you can save money if you know what state has a lower sales tax rate, so you can travel to that state and make your purchase there.
There is a list of states with lower sales tax rates:
1. Alaska 1.43% Sales tax rates
2. Hawaii 4.41% Sales tax rates
3. Wyoming 5.36% Sales tax rates
4. Wisconsin 5.44% Sales tax rates
5. Maine 5.50% Sales tax rates
6. Virginia 5.65% Sales tax rates
<h2><em>Spymore</em></h2>
Answer:
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution to the problem
Let X the random variable that represent the scores of a population, and for this case we know the distribution for X is given by:
Where
and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability using the normal standard table or excel and we got: