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Mathematics 17 Online
OpenStudy (anonymous):

Need help will give medal and fan Evaluate v + 4w ÷ 6 for v = 10 and w = 9 16 21 24 30

OpenStudy (skullpatrol):

Any ideas? :-)

OpenStudy (skullpatrol):

Replace v with10 and w with 9 and simplify using the order of operations.

OpenStudy (anonymous):

Im not really good with math can you help?

OpenStudy (skullpatrol):

$$\huge v + 4w \div 6$$ $$\huge 10 + 4(9) \div 6$$

OpenStudy (anonymous):

16?

OpenStudy (skullpatrol):

Correct :D

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

Can you help me with another question?

OpenStudy (skullpatrol):

I can try.

OpenStudy (anonymous):

Evaluate −n + 12 for n = 1.7.

OpenStudy (skullpatrol):

Any ideas? :-)

OpenStudy (anonymous):

WOULD BE 10.3

OpenStudy (anonymous):

-1.7 +12

OpenStudy (skullpatrol):

$$\huge Good$$

OpenStudy (skullpatrol):

Correct.

OpenStudy (anonymous):

and this is my last question

OpenStudy (anonymous):

Rachelle is on the 10th floor of an office building. She climbs up 4 flights of stairs, and later takes the stairs down n flights. Write an expression to show what floor she is on. 10 − 4 + n 10 + 4 − n 10 − (n + 4) 10 + (−4n)

OpenStudy (skullpatrol):

What do think?

OpenStudy (anonymous):

Im not sure about this one kinda hard

OpenStudy (skullpatrol):

Since all the answer choices start with the number 10, why not start there?

OpenStudy (skullpatrol):

10 th floor = 10

OpenStudy (skullpatrol):

If she climbs up 4 floors What happens to 10?

OpenStudy (anonymous):

goes to 14

OpenStudy (skullpatrol):

Yes

OpenStudy (skullpatrol):

Later she takes the stairs down n flights....

OpenStudy (skullpatrol):

...what happens to your 14?

OpenStudy (anonymous):

Not sure

OpenStudy (skullpatrol):

If going up adds to your number, then what must going down do to the number?

OpenStudy (skullpatrol):

10 + 4 = 14 Climb up^ 4 flights of stairs.

OpenStudy (skullpatrol):

Let n = the number of flights of stairs.

OpenStudy (skullpatrol):

What is the opposite of going up?

OpenStudy (anonymous):

down

OpenStudy (skullpatrol):

What is the opposite of addition?

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