During one year a population of blue jays has zero population growth. Which must be true about the blue jay population at the en
1 answer:
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Answer:
C. 647 square units
Step-by-step explanation:
To find the shaded area, subtract the area of the unshaded square from the area of the octagon.
<u>Area of the octagon</u>
where:
- n = number of sides
- l = length of one side
- a = apothem
Given:
- n = 8
- l = 13
- a = 15.69
Substitute the given values into the formula and solve for A:
<u>Area of the square</u>
<u>Area of the shaded region</u>
= area of the octagon - area of the square
= 815.88 - 169
= 646.88
= 647 square units (nearest square unit)
Answer:
Step-by-step explanation:
We want to rewrite the following as a single logarithm:
We introduce logarithm in the first term to get:
Recall that:
We apply this property to get:
This gives: