Question

Sheila took the temperature in her bedroom at 9:00 p.m. before she went to bed. Overnight, the temperature dropped 9°F but then increased 11°F by morning. During the day, the temperature raised another 8°F. Which integer represents the total change in temperature?

-28°F

-12°F

+10°F

+28°F

Answer 1

Ok so let's do a bit of addition and subtraction k:
so first:
-9
+11
+8
so -9 + 11 = ?

Answer 2

\[-9 + 11 =\]

Answer 3

That is your first question.

Answer 4

well 9 + 11 = 20

Answer 5

Yes but remember the 9 is negative so if we reorder it like so 11 - 9 =

Answer 6

oh ok then it would be 2

Answer 7

Yes because -9 + 11 = 2 :D so now do this:
\[2 + 8 = ?\]

Answer 8

it would be 10

Answer 9

YES so it is 10F :D

Answer 10

ohh ok thanx you

Answer 11

No prob, I see you got the medals down pat :D fast learner

Answer 12

:D

Answer 13

can u hlp me with one last question?

Answer 14

Yes just post it here for the sake of time :)

Answer 15

ok

Answer 16

A truck driver drives 10 miles west from company headquarters when he realizes he forgot to make one of the stops on his route. He drives 7 miles east on the same road to go back and make the stop. Which expression can be used to find how far the truck driver is from company headquarters?

+10 + -7

-7 + -10

+10 + +7

-7 - +10

Answer 17

Ok so he went out 10 miles ut hewent back seven so we need to subtract 7 from ten, which equation would thta be?

Answer 18

it would be 3

Answer 19

Um not quite, 13 would be 10 + 7 you need 10 - 7

Answer 20

oh ok

Answer 21

Remember what I said about changing out the signs for words(minues) (negative)

Answer 22

ok

Answer 23

ok I its 17 right

Answer 24

Oh you mean the product, I am talking about which equation lol

Answer 25

lol

Answer 26

But you were right it was 3 so which equation is that?

Answer 27

its +10 + +7 right

Answer 28

no that would equal 17, it has to equal 3 like you said before

Answer 29

oh sorry I forgot about that

Answer 30

xD its fine :)

Answer 31

lol its the last one

Answer 32

:)

Answer 33

close but its actually the first one, you just mixed up the numbers :)

Answer 34

oh ok thank you a lot you helped me out big time lol :)

Answer 35

No prob thtas what this site is all about, if you ever need help adjusting just PM me :)

Answer 36

ok :) thanx