2 years ago

For an arithmetic sequence,first term is 2 and the common difference is 3 find the sum of the first 11

1 answer:

6 0

Answer:

Step-by-step explanation:

by adding three to the next number each time, the answer is 35

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Marat540 [252]

$0.2x^2+1.2=3.4\ \ \ |-1.2\\\\0.2x^2=2.2\ \ \ |:0.2\\\\x^2=11\to x=\pm\sqrt{11}\\\\\text{Answer:}\ x=-\sqrt{11}\ \vee\ x=\sqrt{11}$

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3 years ago

laila [671]

Answer:

Step-by-step explanation:

<em>Look a the picture</em>.

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2 years ago