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garik1379 [7]
3 years ago
7

A(n)= - 3+ (n = 1)(6) Answer please help .

Mathematics
1 answer:
balu736 [363]3 years ago
3 0

Answer:

I also need some help!!!!

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let the number of cows = x

let the number of chickens = y

since there are 42 heads:

x + y = 42

and since a cow has 4 legs, and a chicken has 2

4x + 2y = 144

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