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Murljashka [212]
2 years ago
11

Refer to the image please.

Mathematics
2 answers:
vivado [14]2 years ago
7 0

Answer:

(4,5)

PLS MARK BRAINLIEST!!!!!

UNO [17]2 years ago
3 0

Answer:

(4,5)

Step-by-step explanation:

5x+y=25 equation 1

-3x+2y=-2 equation 2

y=25-5x isolate y from equation 1

-3x+2(25-5x)=-2 substitute y value into equation 2

-3x+50-10x=-2

-13x=-52

x=4

solve for y by inserting x value into either equation.

5x+y=25

5(4)+y=25

20+y=25

y=5

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3 years ago
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IrinaVladis [17]

Answer:

There are 35 possible group of 3 socks from a total of 7

Step-by-step explanation:

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Required

Number of ways she can make her selection.

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To solve this, we make use of combination formula.

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Where n = 7 and r = 3

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