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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate 48 + 24 ÷ 8 - 22. A.) 47 B.) 51 C.)55 D.)64

OpenStudy (candy13106):

use the oorder of operations

OpenStudy (anonymous):

doesn't anyone own a calculator?

OpenStudy (candy13106):

meh

OpenStudy (anonymous):

So it is 47

undeadknight26 (undeadknight26):

Satellite first thing i tried gave me 29 which is not an answer choice.

OpenStudy (candy13106):

same here undeadknight26

OpenStudy (candy13106):

i got 29

OpenStudy (anonymous):

it is no 22 it 2 with 2 square

undeadknight26 (undeadknight26):

so: 2^2?

OpenStudy (anonymous):

yes

undeadknight26 (undeadknight26):

ahh ok: 48 + 24/8 - 4

undeadknight26 (undeadknight26):

Spoiler: you were right it is 47. Work: 48 + 24/8 - 4 48 + 3 - 4 51 - 4 = 47

OpenStudy (anonymous):

can you help with another

undeadknight26 (undeadknight26):

sure sure shoot.

OpenStudy (anonymous):

Evaluate 8 - 12 ÷ 2 + 3. A.) 1 B.) -1 C.) 4 D.) 5

undeadknight26 (undeadknight26):

What do you think it is?

OpenStudy (anonymous):

Evaluate -12(-2). A.) 14 B.) -14 C.) -24 D.) 24

undeadknight26 (undeadknight26):

1 at a time please thanks :D

OpenStudy (anonymous):

A

undeadknight26 (undeadknight26):

First one is 24: 8 - 12 ÷ 2 + 3. 8 - 6 + 3 8 - 9 = -1

undeadknight26 (undeadknight26):

oh sorry not 24 its -1

OpenStudy (anonymous):

Ok

undeadknight26 (undeadknight26):

Im assuming its 12^-2? Or is it 12 x -2?

OpenStudy (anonymous):

-12(-2)

undeadknight26 (undeadknight26):

ok so its 12 x -2....Are you allowed to use a calculator?

OpenStudy (anonymous):

yes

undeadknight26 (undeadknight26):

What is it then?

OpenStudy (anonymous):

the negative two has ( )

OpenStudy (anonymous):

so i don't no what to do

OpenStudy (anonymous):

is it -24 or -14

undeadknight26 (undeadknight26):

well thats just to make sure you don't subtract em. Its to keep the confusion out of it. When a number is like this: 2(4) its multiplication.

OpenStudy (anonymous):

24=13

undeadknight26 (undeadknight26):

o.o whats that mean?

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