The interior angle of a regular polygon is equal to each other since all sides of the polygon are congruent. The formula that expresses the relation of the sides of the polygon and the measurement of the interior angle is (n2)*180/n where n is 7. Each interior angle then measures 128.6 degrees.
Answer:
d.a cluster sampling
Step-by-step explanation:
This plan exemplifies Cluster sampling. It is a sampling method where populations are placed into different separate groups like here into freshman, sophomore, junior, and senior classes. A random sample of these groups is then selected as here thirty students selected from each group to represent a specific population.<u> It is usually used in that type of research when there is no possible way to find information about a population as a whole.</u>
Answer:
$6.83
Step-by-step explanation:
First calculate the before-tax total amount:
$0.75 + $0.75 + $0.75 + $4.25, or
3($0.75) + $4.25 = $2.25 + $4.25 = $6.50 (total before tax)
The before-tax total PLUS the 5% tax comes to:
$6.50 + 0.05($6.50) = $6.50 + $0.33 = $6.83
D
Because it is one of the parent functions
