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bearhunter [10]
3 years ago
8

Help!!! This is a little confusing

Mathematics
2 answers:
Tamiku [17]3 years ago
8 0

Answer:

6840 I think.

Step-by-step explanation:

There's 20 people in the race, it's asking for how many possibilities there are for each person to end up as 1st, 2nd, & 3rd.

Problems like these are solved by 20! (20x19x18xetc till 1) over (the number of competitors (20) minus the number of prized places (3)). 20-3=17.

20! over 17!.

Sorry if it's wrong but it's how I remember it to be.

madam [21]3 years ago
6 0

Answer:

60 people

Step-by-step explanation: Multiply 20 by 3 and you will get 60, which is the total combonation of people.

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ipn [44]

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Step-by-step explanation:

First, we have to find the slope of the perpendicular. The slope of the line perpendicular to the other is the <u>reciprocal and opposite value</u> of the other line's slope.

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