Mathematics
7 Online
OpenStudy (anonymous):
4+6 times 2-5
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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?
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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.
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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?
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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
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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
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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
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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
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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.
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OpenStudy (anonymous):
kk
OpenStudy (anonymous):
(4+6)(2-5)
(10)(-3)
-30
OpenStudy (anonymous):
the -3 negates everything