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Liono4ka [1.6K]
4 years ago
7

Systems of equations by substitution

Mathematics
1 answer:
Korolek [52]4 years ago
6 0
Could you please clarify the question please by putting a question to be solved? Or are you asking for the definition?
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Shawntee has 21 coins all of them nickel and dimes that are worth $1.70. Write a system of equations and splve
Kipish [7]
N+d=21
5n+10d=170

so

multiply first equation by -5 and add to other one

-5n-5d=-105
<u>5n+10d=170 +</u>
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minus 13 both sides
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8nickles
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8 0
3 years ago
A partially completed equation for a line is shown below. If the line passes through the point (-4, 6). Write the equation for t
tatiyna

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Nice

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Karma..... ;)

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3 years ago
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If , what is the truncation error for S4?
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