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Mathematics 17 Online
OpenStudy (anonymous):

The temperature on the ground during a plane's takeoff was 5°F. At 38,000 feet in the air, the temperature outside the plane was -28°F. Find the difference between these two temperatures. a.)23°F b.)-33°F c.)33°F d.)-23°F

OpenStudy (anonymous):

------------------------------- -28 F -------------------------------- +5F

OpenStudy (anonymous):

inside my house it is 65F, outside it is 45F, what is the temperature difference?

OpenStudy (anonymous):

23

OpenStudy (anonymous):

How did you get that answer?

OpenStudy (anonymous):

i subtracted

OpenStudy (anonymous):

subtracted what from what?

OpenStudy (anonymous):

those two numbers

OpenStudy (anonymous):

uqhhh im confused ! : /

OpenStudy (anonymous):

ok so work out my problem, inside my house, the temperature is 65F and outside it is 45F. What is the difference in temperature?

OpenStudy (anonymous):

its coLder outside . . .

OpenStudy (anonymous):

good, but what is the difference in temperature?

OpenStudy (anonymous):

idont understand whaa your tryinq to ask . . .

OpenStudy (anonymous):

if inside my house the temperature is 65 degrees Farenheit and outside the temperature is 45 degrees farenheit, how much hotter is it inside my house than outside?

OpenStudy (anonymous):

ok lets try something else. Suppose my height is 6 feet. suppose I am standing next to a tree whose height is 20 feet. How much taller is the tree than me?

OpenStudy (anonymous):

15 more feet

OpenStudy (anonymous):

are you sure about that?

OpenStudy (anonymous):

14

OpenStudy (anonymous):

ok. So apply the same logic in the other problem. if It is 65 F inside my house and 45 F outside my house, how much hotter is my house compared to outside?

OpenStudy (anonymous):

20

OpenStudy (anonymous):

so it it is 5 F inside my house and outside it is -28F, what is the temperature difference?

OpenStudy (anonymous):

-23

OpenStudy (anonymous):

ok lets try again. how did you get 20 when i asked you if It is 65 F inside my house and 45 F outside my house, how much hotter is my house compared to outside?

OpenStudy (anonymous):

im confused !!!

OpenStudy (anonymous):

you answered 20 when I asked you the question: if It is 65 F inside my house and 45 F outside my house, how much hotter is my house compared to outside? How did you get 20. What did you do to get 20?

OpenStudy (anonymous):

loL . honestLy iforqot !

OpenStudy (anonymous):

Think about it and post your answer along with the steps as to how you got that answer. That will help you remember.

OpenStudy (anonymous):

that was awesome.

OpenStudy (anonymous):

I just gave them the answer. I should have done what you did.

OpenStudy (anonymous):

huh?

OpenStudy (anonymous):

Oh i see. Ya, i've found that just giving the answer doesn't help people learn too well :)

OpenStudy (anonymous):

seems the 'difference' is making a problem here! lol

OpenStudy (anonymous):

lol :)

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