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Romashka-Z-Leto [24]
3 years ago
5

It takes Jill 2 hours to run 14.5 miles. At this rate, how far could she run in 3 hours?

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
6 0

Answer:14.8

Step-by-step explanation:

chubhunter [2.5K]3 years ago
3 0

Answer:

21.75

Step-by-step explanation:

I think she ran 7.25 miles each hour and if you do 7.25 × 3 it equals 21.75

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When given an inverse variation, how do you find k?
atroni [7]

Considering an inverse proportional relationship, you find k taking a point (x,y), and multiplying the values of x and y.

<h3>What is a proportional relationship?</h3>

A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:

y = kx

In which k is the constant of proportionality.

For an inverse relationship, the function is:

y = \frac{k}{x}.

Then:

k = xy.

Which means that to find k, you take a point (x,y), and multiply the values of x and y.

More can be learned about proportional relationships at brainly.com/question/10424180

#SPJ1

8 0
1 year ago
Navin signed up for a gym membership. The cost was $125 plus $20 each
Lisa [10]

Answer:

a) the initial value is $125, and it represents the cost Navin has to pay in the beginning

b) the rate of change is  $20 per month, and it represents the cost he has to pay per month

c) linear; the equation for it is y = 20x + 125

d) The rate of change is constant because each month, Navin always has to pay $20.

e) This is <u>partial variation</u> because the equation y = 20x + 125 doesn't follow y = kx

Have a lovely rest of your day/night, and good luck with your assignments! ♡

6 0
2 years ago
Hamid has gained weight.
Harman [31]

Answer:

8o kilograms

Step-by-step explanation:

5 0
3 years ago
The cost of the paint was $39 per gallon, so if the cost is $4,368, how many gallons did you buy?
PtichkaEL [24]
$39 per gallon
$4,368 = cost of total

Divide  ⇒  4368 : 39

<u>4368</u> = 112
  39

Solution: 112 gallons.
3 0
2 years ago
Read 2 more answers
A) How many 1/5s are there in 8/10?
RoseWind [281]

Answer:

I think the answer is 4

Step-by-step explanation:

8/10 / 1/5=4

6 0
2 years ago
Read 2 more answers
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