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olganol [36]
3 years ago
10

Susan ran 4 miles in 20 minutes. How many minutes will she take to walk 3 miles

Mathematics
1 answer:
inn [45]3 years ago
6 0

Answer: 15

Step-by-step explanation:

4/20 is your ratio. Simplify it and it'd be 1/5. This means in 1 mile has been walked in 5 minutes. 3 x 5 is 15, so it took Susan 15 minutes.

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F(x) = [(9,11),(-11,4),(7,-6),(11,-1), (-6,-15),(-13,-5)].
egoroff_w [7]

Using the inverse functions property:

  • f⁻¹(f(93)) = m = 93
  • f(7) = n = -6

<h3>How to find the values of m and n?</h3>

Two functions f(x) and f⁻¹(x) are inverses if:

f( f⁻¹(x) ) = x

f⁻¹(f(x)) = x

We want to get:

f⁻¹(f(93)) = m

By using the above definition we get:

f⁻¹(f(93)) = m = 93

Now for the second one we want:

f(7) = n

If you look at the table, you can see that f(x) contains the point (7, -6), then:

f(7) = n = -6

If you want to learn more about inverse functions:

brainly.com/question/14391067

#SPJ1

4 0
2 years ago
I need help with the area of this
Anarel [89]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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