<span>-7 • (a4 - 81a2 - 162)27
-------------------------------- hope it helps
27</span>
Answer:
0.444... (or 44.44...%)
Step-by-step explanation:
The experimental probability is the probability of an event actually happening. The experimental probability of a man having a beard here is 44.444...% (8/18).
domain is correct for b and c
the graph is a function because each value of x has only one y value
hence answer is B
The size of the overall population is <u>not important</u> in determining the reliability of a poll.
<h3>What is the purpose of the overall population in a poll?</h3>
The overall population that a poll is based on does not have anything significant to do with the poll itself which means that it is not important in determining reliability.
This is because the poll uses a sample of the population and not the population itself.
Find out more on the reliability of a poll at brainly.com/question/1347272
#SPJ4
Answer:
Step-by-step explanation:
We are given a circle with a partially shaded region. First, we need to determine the area of the whole circle. To do this, we need the measurement of the radius of the circle:
Use the Pythagorean theorem to solve for the other leg of the right triangle inside the circle:
5^2 = 3^2 + x^2
x = 4
The radius is 4 + 1 cm = 5 cm
So the area of the circle is A = pi*r^2
A = 3.14 * (5)^2
A = 25pi cm^2
To solve for the area of the shaded region:
Ashaded = Acircle - Atriangles
we need to solve for the area of the triangles:
A = 1/2 *b*h
A = 1/2 *6 * 5
A = 15 cm^2
Atriangles = 2 * 15
Atriangles = 30 cm^2
Ashaded = 25pi - 30
