Zack is preparing for a marathon and currently weighs 162 pounds. His total body weight can be expressed as 3x^3 + 9x^2, and his body fat weight can be expressed as 3/2x^2. Write a function which represent Zack's body fat percentage.

Answers

Answer 1

Answer: Fat percentage = Fat weight / Body weight * 100

Assuming that 3/2x^2 is (3/2)x^2

Fat percentage = $(3x^3+9x^2)/( (3)/(2) x^2) 100= [2x+6]100 = 200x+600$

Answer 2

Answer:

Answer:

F(x) =1 /2x+6

Step-by-step explanation:

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Brian wants to buy a motorcycle and is planning to get motorcycle insurance. Suppose the average accident rate is 0.1, and the average expenses incurred on accidents is $38,000. The insurance plan has a yearly premium of $1,000 and a deductible of $4,000.If after 4 years of insuring 100 people, 9 motorcycle drivers had an accident, where does the company stand after money has been taken in and paid out for this group of 100 insured people?

$85,500
-$36,000
$94,000
$58,000

Answers

Answer:

The correct option is $94,000

Step-by-step explanation:

Yearly premium under the insurance plan = $1,000

Total premium from single motorcycle driver in 4 years = $1,000 * 4 = $4,000

Number of people insured = 100

Total premium collected from 100 motorcycle drivers = $4,000 * 100 = $400,000

Average expenses incurred on accident = $38,000

Deductible = $4,000

Net expenses incurred per accident = $38,000 - $4,000 = $34,000

In 4 years , 9 motorcycle drivers had an accident

Total expenses incurred for accident = $34,000 * 9 = $306,000

Net savings of Insurance Company = total premium - total expenses = $400,000 - $306,000 = $94,000

Hope it helps.

Thank you !!

It's $94,000

1,000 X 100 X 4 = 400,000

A cat spends about 7 out of 10 hours sleeping. About what present of the cats day is spent sleeping

Answers

the cat spends about 70% of its day sleeping but that's a lie not the answer the (fact) not all cats sleep all day. so you know

An artificial lake is in the shape of a rectangle and has an area of 9/20 square mile. The width of the lake is 1/5 the length of the lake. What are the dimensions of the lake?

Answers

The area is width times length, so you'd divide the area by the width. This is 9/20 divided by 1/5. When dividing fractions, you flip the second number then divide straight across. This would be 9/20 x 5/1. You'd get 45/20, or in mixed number form, 2 and 1/4.

At the market 2.4 pounds of peas cost 1.68 how much does one pound of peas cost?

Answers

it think the answer would probably be 4.08

2.4x=1.68. x= 1pound
So to get the x away from the 2.4 you must divide. And what you do to one side of the equation you must do to the other side
2.4/2.4=1 So then you would go 1.68/2.4 to calculate the cost of one pound

Laticia randomly selected 25% of the seventh-grade students in her school an asked them their favorite season.Of the students surveyed,51 chose summer as their favorite season. Based on the data, what is the most reasonable prediction of the number of seventh-grade students in her school who would choose summer as their favorite season.

Answers

if 25% is 51 students an easy way of finding it would be adding 51 4 times. so the answer should be 204. unless im wrong then im sorry.

25% is equal to 1/4. If 51 is 25% of the students, that means it is 1/4. To find the total amount of students who would choose summer, you multiply 51 x 4 and you get 204 students, give some/take some. Hope this helps!

Please help me idk this

Answers

Answer: 0.4675

Step-by-step explanation: caculator

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