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Anna [14]
3 years ago
14

Four swimmers are chosen to swim in a relay race. How many orders of the 4 swimmers are

Mathematics
2 answers:
Drupady [299]3 years ago
8 0

Answer:

64

Step-by-step explanation:

..............................

MakcuM [25]3 years ago
7 0

Answer:

64

Step-by-step explanation:

You take the amount of swimmers, which is 4, and then you put it to an exponent of 4 since there are four people in a line, thus giving you the answer of 64 possibilities.

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The generic equation for a linear function can be expressed in the slope intercept form f(x) = mx + b, where m is the slope and b is the y intercept. For this problem we can first find the equation of the line. Then we substitute x = 7 to get the f(x) value, which is n at the point x = 7.

To find the equation of the linear function we first find the slope. Slope is defined as the change in f(x) divided by the change in x. As we are given a linear function, the slope at every point is the same. We can pick any two points known to find the slope.

Let's pick (3, 7) and (9, 16). The slope m is m = (16-7)/(9-3) = 9/6 = 3/2.

Now that we have the slope, we can plug in the slope and one of the points to find b. Let's use the point (3, 7).
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3 years ago
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