Answer: 27
Step-by-step explanation:
use the formula for the area of circle and solve for r: A=pi r^2
2290.221=pir^2 <---divide by pi
729=r^2 <--- square root both sides
27=r
Answer:
principal=$300
time=1 year
simple interest=$54
rate=?
Step-by-step explanation:
rate=(simple interest×100)/(principal×time)=(54×100)(300×1)=5400/300=54/3=18% is rate
Answer:
3
Step-by-step explanation:
How many times does -6 go into -18?
-6x3=-18
-6 goes into -18 3 times.
So:
b=3
Bam
In this survey, the results can be trusted because more than half of the people responded which makes this sample to be representative.
<h3>What is nonresponse bias?</h3>
This occurs when most of the people who were intended to be surveyed do not respond, which causes the results to be biased as the sample does not represent the population.
<h3>Can the results of this survey be trusted?</h3>
Considering more than 50% answer it is likely the results can be trusted as the sample is still representative.
Learn more about sample in: brainly.com/question/11045407
#SPJ1
