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Pavlova-9 [17]
2 years ago
11

Jodie ran at an average speed of 10 km/h for 15 minutes. How far did she run in km?

Mathematics
2 answers:
laiz [17]2 years ago
5 0

Answer:

2.5 km

Step-by-step explanation:

15 minutes is

15 minutes * 1 hour/ 60 minutes = 1/4 hour

15 minutes = 1/4 of an hour

10 km/ hour * 1/4 hour = 10/4  km  = 2.5 km

krek1111 [17]2 years ago
4 0

Answer:

In total she ran 2.5km/h in 15 minuets.

Step-by-step explanation:

Since 15 minuets is a quarter of an hour you can divide the 10km/h by 4 to get 2.5km/h.

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Vertically stretched by a factor of 2, then translated<br> 4 units left and 1 unit down
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A vertical stretch of scale factor 2, followed by a translation of 4 units left and 1 unit down is written as:

g(x) = 2*f(x + 4) - 1

<h3>How to write the given transformation?</h3>

For a general function f(x), a vertical stretch of scale factor K is written as:

g(x) = K*f(x).

<u><em>Horizontal translation:</em></u>

For a general function f(x), a horizontal translation of N units is written as:

g(x) = f(x + N).

  • If N is positive, the shift is to the left.
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<u><em>Vertical translation:</em></u>

For a general function f(x), a vertical translation of N units is written as:

g(x) = f(x) + N.

  • If N is positive, the shift is upwards.
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So, if we start with a function f(x) and we stretch it vertically with a scale factor of 2, we get:

g(x) = 2*f(x)

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g(x) = 2*f(x + 4)

Then we translate 1 unit down:

g(x) = 2*f(x + 4) - 1

This is the equation for the transformation.

If you want to learn more about transformations, you can read:

brainly.com/question/4289712

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