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Mathematics 7 Online
OpenStudy (anonymous):

4+6 times 2-5

OpenStudy (anonymous):

okay what did you get

OpenStudy (anonymous):

(4+6) * (2-5)

OpenStudy (anonymous):

i got 30 but its multiple choice. there's -30 but not 30.

OpenStudy (anonymous):

any other choices

OpenStudy (anonymous):

what is 2-5?

OpenStudy (anonymous):

lets start out with 4 +6

OpenStudy (anonymous):

a. -30 b. -14 c. 11 d. 15

OpenStudy (masterchief):

15 due to order of operations

OpenStudy (anonymous):

alright 4+6= 10 and 2-5= -3 so 10 * -3 =15

OpenStudy (anonymous):

dont just give me the answer. i wanna know how.

OpenStudy (masterchief):

Well wouldn't it be 11 because you must multiply first and than add and subtract?

OpenStudy (anonymous):

thanks @B.R.M (:

OpenStudy (anonymous):

np @okwa77

OpenStudy (anonymous):

sorry I didn't do my order of operations right @MasterChief :)

OpenStudy (anonymous):

so its 11?

OpenStudy (anonymous):

No I got 15

OpenStudy (anonymous):

well you just said to @MasterChief that you didn't do it right, so, ???

OpenStudy (anonymous):

No i got the right answer but I didn't do the way he wanted to do it

OpenStudy (masterchief):

You've got 4 + (6 x 2) - 5 4 + 12 - 5 16-5 11

OpenStudy (anonymous):

okay let me check

OpenStudy (anonymous):

grrrr... 11 or 15?

OpenStudy (masterchief):

Copy and paste "4+6 times 2-5" to google. Look at it.

OpenStudy (anonymous):

wait where did you get that 12

OpenStudy (masterchief):

6 times 2

OpenStudy (anonymous):

okay first do 4+6

OpenStudy (anonymous):

i googled it. it said 11 on the google calculator.

OpenStudy (anonymous):

its ten

OpenStudy (anonymous):

but that's not one of the multiple choice answers.

OpenStudy (anonymous):

it's 11.

OpenStudy (anonymous):

okay we are not done yet

OpenStudy (anonymous):

so we have 11 and now what is 2-5

OpenStudy (anonymous):

its -3

OpenStudy (anonymous):

so multiply 11 and -3

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

i got 15

OpenStudy (anonymous):

now what did you get

OpenStudy (anonymous):

4+6*2-5 multiple 6*2 to get 12. 4+12-5. add 4+12 so get 16. 16-5= 11.

OpenStudy (anonymous):

yes you are correct i forgot the 12 :)

OpenStudy (anonymous):

okay follow PEMDAS

OpenStudy (anonymous):

yuuuup! lol watch for another question from me :) i'm closing this one now so i can ask another.

OpenStudy (anonymous):

kk

OpenStudy (anonymous):

(4+6)(2-5) (10)(-3) -30

OpenStudy (anonymous):

the -3 negates everything

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