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Slav-nsk [51]
3 years ago
12

Ten students need to present their reports. Five can present each day. How many ways can the teacher choose a group of five stud

ents to present their reports on the first day? How many ways can the teacher choose a group of 5 students to present on the first day of Marjorie must present on the first day?
Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
4 0
1) Since order does not matter, 10C5 = 252.
2) I don't think I understand the 2nd question, can you elaborate.
EastWind [94]3 years ago
3 0

Answer:

1) 252

2) 126

you welcome

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<h3>Answer:</h3>
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1. When you put the second equation in standard form, it is ...

... 5x +3y = 10

This is a different equation than the first one, so there will be one solution where the lines interect. (Adding the two equations gives 10x=20 ⇒ x=2. Since adding or subtracting y gives the same result, y must be zero.)

2. When you put the second equation in standard form, it is the same as the first:

... 2x -5y = 17 . . . . . divide the equation by 3

That is, any (x, y) values that satisfy the first equation will also satisfy the second equation (since they are the same). There are an infinite number of (x, y) values that do so.

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3 years ago
I need help substituting. Please help ASAP. I’m just absolutely lost.
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Franklin has a stick which is 3458 inches long. He wishes to cut it into two pieces so that one piece is 1646 inches longer than
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Please I really need help on this!<br>​
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