A $800 T.V. Is on sale for 15% off. What is the cost of the T.V.
1 answer:
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Answer:
1)
2)
3)
4)
5)
Step-by-step explanation:
According to the information given in the exercise, the value of "x" is:
Then:
1) You must substitute into the expresion
:
Now, you must evaluate:
2) You have to substitute the given value of "x" into the second expression:
Finally, evaluating, you get the following result:
3) According to the Zero exponent Rule, any non-zero number with an exponent of zero is equal to 1.
Then, substituting into the expression
and then evaluating, you get:
4) By definition:
Then, substituting into
and evaluating, you get:
5) Since:
When you substitute the given value of "x" into the last expression and then you evaluate, you get:
Answer:
Step-by-step explanation:
step 1
Find the measure of the interior angle in a regular hexagon
we know that
The formula to calculate the measure of the interior angle in a regular polygon is equal to
where
n is the number of sides of polygon
In this problem
n=6
so
step 2
Find the measure of angle x
we know that
----> by complete circle
solve for x