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Mathematics 8 Online
OpenStudy (anonymous):

Evaluate the expression for x = 2 and y = 4

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Plug in 2 for x and 4 for y. Then calculate it. Be careful with the order of operations.

OpenStudy (mathstudent55):

\( \dfrac{3xy}{x^2 - 9y + 2} \) \( =\dfrac{3 \cdot 2 \cdot 4}{2^2 - 9 \cdot 4 + 2} \)

OpenStudy (anonymous):

i got 28? but i have to write it as a fraction. im doing something wrong

OpenStudy (anonymous):

we have : |dw:1380042113734:dw| k ?

OpenStudy (anonymous):

k

OpenStudy (anonymous):

I think your answer is wrong :) But answer :)Please :) x^2=?

OpenStudy (anonymous):

4

OpenStudy (mathstudent55):

What is 2 * 3 * 4 = ?

OpenStudy (anonymous):

24

OpenStudy (anonymous):

and how about : -9y = ?

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