You need to do 20 divide by 21 to get a decimal. Then if you multiply the decimal by hundred you should get the percentage.
Answer:
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Step-by-step explanation:
1st one is B: What is the total number of attendees at a movie?
Since all the other answer have a definite answer.
2nd one is A: How many cavities have you had in the last 5 years?
That answer shows you how well your dentist is as well as your hygiene.
3rd one is D: What age are the children who attend Boys and Girls Club programs in your town?
They would have a variety of ages to take data on,
4th one is C: e=7h
What amount she earns divided by 7 will be the hours she works. She makes $7 and hour.
1) $450/12=$37.50
2)$37.50x3=$112.50
The answer is: $112.50
I hope this helps
We can solve for x by raising both sides to the -3 power (which is the reciprocal of -1/3):
(c^-1/3)^-3 = x^-3
c^1=x^-3
c=x^-3
Since the exponent on the x is a negative, we have to move it to the denominator to make it positive:
c= 1/x³
False
distance = square root [(x2−x1)^2+(y2−y1)^2]