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Mathematics 12 Online
OpenStudy (anonymous):

What is the average of the following numbers? 1 3 -3 -2 -4

OpenStudy (nikato):

did u add up all the numbers?

OpenStudy (anonymous):

-5

OpenStudy (nikato):

now divide that by teh number of terms u have

OpenStudy (anonymous):

Yeah but is negative divided by a positive negaative or positive?

OpenStudy (nikato):

negative

OpenStudy (anonymous):

so the answer is -1?

OpenStudy (nikato):

- * + = - - * - = + + * + = +

OpenStudy (nikato):

yes

OpenStudy (anonymous):

Oh thanks!

OpenStudy (nikato):

your welcome

OpenStudy (anonymous):

Can you help me with another question?

OpenStudy (nikato):

sure. what is it

OpenStudy (anonymous):

Is 0.58 a rational number? Why or why not?

OpenStudy (nikato):

yes, becuz it can be expressed as a fraction

OpenStudy (nikato):

of two intergers

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