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NARA [144]
3 years ago
14

How many terms of the arithmetic sequence {1,3,5,7...} will give you a sum of 961?

Mathematics
1 answer:
alexandr402 [8]3 years ago
4 0

Answer:

136 terms will give you the sum 961

Step-by-step explanation:

I took[1,3,5,7... ] and times it by numbers until I got that awnser. I hope i understood the question right.¯\_(ツ)_/¯

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Answer:

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Step-by-step explanation:

\left(4x+3\right)\left(4x-3\right)

We´ll <u>Apply Difference Two Squares Formula:</u>

  • \left(a+b\right)\left(a-b\right)=a^2-b^2

\longmapsto \left(4x+3\right)\left(4x-3\right)

\longmapsto \left(4x\right)^2-3^2

<u>Apply exponent rule</u>:

  • \left(a\times \:b\right)^n=a^nb^n

\longmapsto 4^2x^2-3^2

\longmapsto 16x^2-9

_________________________

6 0
3 years ago
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Answer:

172.8 people got a gift card

Step-by-step explanation:

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sergij07 [2.7K]

Answer:

x=-2

Step-by-step explanation:

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