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Mathematics 10 Online
OpenStudy (s117):

Evaluate the expression by using the given values of the variables. y ÷ 3 • 2 – 8 ÷ x + 5 where x = 4 and y = 12 A. 11 B. 21 C. 5 D. 9

OpenStudy (anonymous):

Plug in what we know: 12 / 3 * 2 - 8 / 4 + 5 First divide 12 / 3

OpenStudy (s117):

4

OpenStudy (anonymous):

Yes, that gives us: 4 * 2 - 8 / 4 + 5 Now multiply 4 * 2

OpenStudy (s117):

8

OpenStudy (anonymous):

That gives us: 8 - 8 / 4 + 5 Now divide 8 / 4

OpenStudy (s117):

2

OpenStudy (anonymous):

That gives us: 8 - 2 + 5 Now subtract 8 - 2

OpenStudy (s117):

11

OpenStudy (anonymous):

That gives us: 11 + 6 Add that and you got your answer

OpenStudy (s117):

?

OpenStudy (anonymous):

Add 11 + 6

OpenStudy (anonymous):

Sorry 11 + 5

OpenStudy (s117):

8 -2 +5 is 11

OpenStudy (anonymous):

Oh right..xD

OpenStudy (anonymous):

Sorry, you got ahead of me :P

OpenStudy (anonymous):

So 11 is your answer :P

OpenStudy (s117):

yea i tend to do that

OpenStudy (anonymous):

xD Nice work :P

OpenStudy (s117):

you to

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