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jenyasd209 [6]
3 years ago
11

Mark lost 3.5 kilograms after a week of exercise. One kilogram is equal to approximately 2.2 pounds. Which measurement is closes

t to the number of pounds that Mark lost?HELP PLEASEEE
Mathematics
1 answer:
balandron [24]3 years ago
8 0
He lost 7.7 pounds. :)
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Answer:

y=15(\frac{2}{3})^x

Step-by-step explanation:

we know that

The equation of a exponential function is of the form

y=a(b^x)

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In this problem we have

a=15 ----> the y-intercept is given

substitute

y=15(b^x)

we have the other ordered pair (1,10)

substitute the value of x and the value of y and solve for b

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b=\frac{10}{15}=\frac{2}{3}

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y=15(\frac{2}{3})^x

see the attached figure to better understand the problem

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3 years ago
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photoshop1234 [79]

Answer:

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3 years ago
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vampirchik [111]

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