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Sedaia [141]
3 years ago
13

How many different ways can a race with 4 runners be completed? (Assume there is no tie.)

Mathematics
1 answer:
sergeinik [125]3 years ago
7 0

Answer:

24

Step-by-step explanation:

1234, 1243, 1324, 1342, 1432, 1423, 2134, 2143, 2314, 2341, 2413, 2431, 3214, 3241, 3124, 3142, 3412, 3421, 4321, 4312, 4231, 4213, 4132, 4123

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Theoretical probability of drawing an 'N' tile?
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238/1250.

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3 years ago
Write an equation in slope-intercept form of the line.
timurjin [86]

Answer:

y = -1/2x + 4

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You can see that the slope is -1/2 because of the rise over run.

It also crosses the y axis at 4,

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2 years ago
If I'm 16 years old, how many months, days, hours, minutes, and seconds old am I?
irakobra [83]
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8 0
3 years ago
Anyone please help me pleaseeee
lora16 [44]

R = { (x,y): 3x-y=0 }

The condition is 3x=y so that's not going to be any of these things.

R is reflexive if (x,x)∈R for all x.   Let's check.

3x - y = 3x - x = 2x ≠ 0  necessarily.   NOT REFLEXIVE

R is symmetric if (x,y)∈R → (y,x)∈R.   Let's check.

(x,y)∈R  so

3x-y = 0

y  = 3x

Is  (y,x)∈R.  That would be true if 3y-x=0

3y - x = 3(3x) - x = 8x ≠ 0 necessarily NOT SYMMETRIC

R is transitive if (x,y)∈R and (y,z)∈R → (x,z)∈R.   Let's check.

3x-y = 0  so y=3x

3y-z = 0 so z=3y = 9x

3x - z = 3x - 9x = -6x ≠ 0 necessarily   NOT TRANSITIVE

6 0
3 years ago
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