3 years ago

Calculate s_75 for the arithmetic sequence defined by {a_n}={67-2n}

Mathematics

1 answer:

nalin [4]3 years ago

3 0

Answer:

we go to the same school

Step-by-step explanation:

kik me at my name

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$14x-2y=46 \\
-7x+y=-23 \\ \\
\hbox{solve the 2nd equation for y:} \\
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y=7x-23 \\ \\
\hbox{substitute 7x-23 for y in the 1st equation:} \\
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\boxed{\hbox{infinitely many solutions}}$

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