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Bas_tet [7]
3 years ago
5

There are 12 swimmers in a freestyle race, with prizes for first, second, and third place. In how many ways can prizes be awarde

d?
Mathematics
1 answer:
Molodets [167]3 years ago
6 0

Answer:

3

Step-by-step explanation:

There's only 3 prizes thus meaning only 3 people can be awarded

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3 years ago
Solve the following systems of equations 2a+4b+c=5 ; a-4b=-6 ; 2b+c=7.
SOVA2 [1]

Answer:

a = -2

b = 1

c = 5

Step-by-step explanation:

Given:

2a + 4b + c = 5 ............(1)

a - 4b = - 6

or

a = 4b - 6 .............(2)

2b + c = 7

or

c = 7 - 2b   ...........(3)

substituting 2 and 3 in  1, we get

2(4b - 6 ) + 4b + (7 - 2b) = 5

or

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or

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or

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substituting b in 2, we get

a = 4(1) - 6

or

a = -2

substituting b in 3, we get

c = 7 - 2(1)

or

c = 5

thus,

a = -2

b = 1

c = 5

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3 years ago
Is the square root of 34 a rational number
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Answer:

No

Step-by-step explanation:

The square root of 34 does not multiply by itself

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