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docker41 [41]
3 years ago
11

The Master Chief collects spiders and starfish. If his spiders have 8 legs and his starfish have 5 legs, how many starfish must

he have, given that his spider/starfish collection totals 19 creatures and 116 legs
Mathematics
1 answer:
AysviL [449]3 years ago
8 0

Answer:

12 starfish

Step-by-step explanation:

Create a system of equations where x is the number of starfish he has and y is the number of spiders he has:

x + y = 19

5x + 8y = 116

Solve by elimination by multiplying the top equation by -8:

-8x - 8y = -152

5x + 8y = 116

Add these together and solve for x:

-3x = -36

x = 12

So, he has 12 starfish.

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3 years ago
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PLEASE HELP! which answer is correct???
Fantom [35]
Your answer will be (4,0)

x = 4 
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y = -2 x + 8                      |   y = x - 4
                                        |  
0 = -2 (4) + 8                   |   0 = 4 - 4
                                        |   
0 = -8 + 8                        |    0 = 0 (true)
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hope this helps


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4 years ago
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Alex777 [14]

Answer:

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Answer:

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