utsgang22 utsgang22

21-02-2017
Mathematics

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Look at the table. Make a conjecture about the sum of the first 15 positive even numbers.

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wolf1728 wolf1728

26-02-2017

There's no table posted.
7.5 is half-way to 15 so if we multiply 7.5 by 15 we get
112.50
The actual total is 120 So it is just a rough guess.

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