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Naily [24]
3 years ago
5

Find the circumference of the circle given.

Mathematics
1 answer:
stiv31 [10]3 years ago
7 0

pls explain the question

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Each day, a young person should sleep 9 hours plus 1 4 hour for each year that the person is under 18 years of age. Assuming the
Andre45 [30]

Answer:

y(x) = 9 + 0.25*(18 - x)

Step-by-step explanation:

We have the following variables:

y: hours of sleep

x: age

Each day, a young person should sleep 9 hours

This means that y is 9 added to something

plus 1 4 hour for each year that the person is under 18 years of age.

For each year the person is under 18 years of age, she should sleep 1/4 = 0.25h on top of the 9 hours.

So the equation relating hours of sleep y and age x is:

y(x) = 9 + 0.25*(18 - x)

7 0
3 years ago
Brad runs a lap every 5 minutes and Ty runs a lap every 4 minutes. If they started at the same time, when will they get to the b
olganol [36]
20 minutes. On brads 4th run and Ty’s 5th run they will be at the beginning at the same time.
5 0
3 years ago
PLEASE HELP WILL GIVE TWENTY POINTS Which is the best approximation for the measure of angle ABC?
Shkiper50 [21]
Cos(x) = BC/AB = 10.5/20 = 0.525  ⇒ x = 58.3°
3 0
3 years ago
Five times the sum of a number and 6 equals 3
Sever21 [200]

Answer:

5x+6=3

Step-by-step explanation:

"A number" is a variable.

"Sum" is addition.

"Equals 3" is =3.

"and six" relates to "sum".

So when you put these together it would be 5x+6=3

3 0
3 years ago
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Ella S, Lily, Aziza, and Kevin earned a total of $100 shoveling snow. Each of them earned the same amount. How much did each of
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Answer:

$50 :)

Step-by-step explanation:

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3 years ago
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