Answer:
Step-by-step explanation:
a = -43/10 = -4.300
Answer:
where are the choices
Step-by-step explanation:
Answer:
50 dozen total
Step-by-step explanation:
8/12 & 10/12.... average 9/12
11/12 - 9/12 =
2/12x = 100
2x = 1200
x = 600/12
50 dozen total
Sadie's earnings varys directly with the number of hours worked.
The number of hours worked in a week where her earnings would be $210 is 20 hours.
<h3>What is direct variation?</h3>
Direct variation is when two variables move in the same direction. If one variable increases, the other variable increases. Sadie's earnings increase with hours worked. This is a direct variation.
<h3>How many hours would be worked when earnings is 210?</h3>
Hours worked = Total earnings / earning per hour
210 / 10.50 = 20 hours
To learn more about direct proportion, please check: brainly.com/question/27233899
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Answer:
732π cm^3
Step-by-step explanation:
Volume of the biggest cone
(15^2 * π *20)/3 = 1500π cm^3
Volume of the smallest cone
20^3 : 16^3= 1500π : x
x = (1500π * 4096)/8000= 768π cm^3
Volume of the frustum = 1500π - 768π = 732π cm^3