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Mathematics 15 Online
OpenStudy (anonymous):

I NEED HELP PLEASE I WILL FAN AND MEDAL ๐Ÿ’œ๐Ÿ’›๐Ÿ’š๐Ÿ’™

Nnesha (nnesha):

๐Ÿ’š

Nnesha (nnesha):

i stole ur heart :D

OpenStudy (anonymous):

Lol awiees

OpenStudy (anonymous):

I need my heart so I can give it to chu ๐Ÿ’•

Nnesha (nnesha):

okay now please post your question

OpenStudy (anonymous):

Which operation should be performed first according to the order of operations 87 - 25 + 39 x 8 + 31 + 10

OpenStudy (anonymous):

A : 31 + 10 B: 87 - 25 C: 25 + 39 D: 39 x 8

OpenStudy (anonymous):

D.

Nnesha (nnesha):

order of operation \(\huge\color{green}{{\rm PEMDAS}}\) Parentheses exponent multiply or divide add or subtract

OpenStudy (anonymous):

Thanks, 4 more questions

OpenStudy (anonymous):

Which operations should be performed first according to the order of operations 55 divided by 11 + 16 x [12 x 3 + (54 divided by 3) - 17]

OpenStudy (anonymous):

Which operations should be performed first according to the order of operations 55 divided by 11 + 16 x [12 x 3 + (54 divided by 3) - 17]

OpenStudy (anonymous):

A. 55 รท 11 B. 11 + 16 C. 12 โ€ข 3 D. 54 รท 3

OpenStudy (anonymous):

The parenthesese not the ones that looke like this: [ ] but the ones that look like this ( ) your answer is A.

OpenStudy (anonymous):

@taylorswift131313 wouldnt my answer be D since thats in the parentheses 55 รท 11 + 16 โ€ข [12 โ€ข 3 + (54 รท 3) โ€“ 17]

OpenStudy (anonymous):

I'm sorry yes it would be D. sorry I did not read it right my bad

OpenStudy (anonymous):

Its ok :)

OpenStudy (anonymous):

i have a few more.

OpenStudy (anonymous):

Evaluate. 21 รท 7 + 20 โ€ข 102 โ€ข 2 โ€“ 3 21 รท 7 + 20 โ€ข 10^2 โ€ข 2 โ€“ 3

OpenStudy (anonymous):

Okay ask away........hey that rhymed lol! XD

OpenStudy (anonymous):

oops pasted it twice

OpenStudy (anonymous):

its ok

OpenStudy (anonymous):

Evaluate 21 รท 7 + 20 โ€ข 102 โ€ข 2 โ€“ 3

OpenStudy (anonymous):

10^2

OpenStudy (anonymous):

ok i had got it wrong and this is probably really confusing so forget about all the other ones i pasted it's suppose to look like this... Evaluate 21 รท 7 + 20 โ€ข 10^2 โ€ข 2 โ€“ 3

OpenStudy (anonymous):

its ok

OpenStudy (anonymous):

Thanks, sorry if you got confused at all.

OpenStudy (anonymous):

4000

OpenStudy (anonymous):

ok, ill hurry and paste the other one.

OpenStudy (anonymous):

Evaluate. 15 + 10^2 โ€ข [12 โ€“ (12 โ€“ 3 โ€ข 2)] + 6

OpenStudy (anonymous):

I'm in no hurry we don't have to rush just take your time ok?

OpenStudy (anonymous):

Ok, thanks so much for everything..I really appreciate it because i really suck at this....

OpenStudy (anonymous):

No problem...your answer would be 521

OpenStudy (anonymous):

last question! yay

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

Evaluate. 45 + 22 รท 11 โ€ข {[(60 โ€“ 15) โ€ข 60] + 25}

Nnesha (nnesha):

i guess it's enough for today so now let's do some work :-)

Nnesha (nnesha):

pemdas rule right parentheses first so first solve parentheses

OpenStudy (anonymous):

60 -15 = 45

OpenStudy (anonymous):

then 45 x 60

OpenStudy (anonymous):

brb doing it on paper

Nnesha (nnesha):

yeah ri ght

OpenStudy (anonymous):

ok so, i got 2700 so far but then what

OpenStudy (anonymous):

Your answer would be 2770

OpenStudy (anonymous):

thanks, least i was close.

OpenStudy (anonymous):

alrightie, well i think im done.

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