Question

Can someone please help me with this question?
|- 3 ½ | - | 12 ¼

Answer 1

here is my answer~
|- 3 ½ | - | 12 ¼ | ~ Keep the -13 1/2 , change the subtraction sign to an addition sign, and change the

12 ¼

|-3 ½| + |12 ¼ |

|8 ¾|

8 ¾ is the answer

Answer 2

My teacher said it was wrong....

Answer 3

@hartnn could you try to help me?

Answer 4

What is the definition of | a |?

Answer 5

I'm not too sure

Answer 6

it is always positive

Answer 7

| 0 | = 0

because 0 is neither positive nor negative

Answer 8

The opposite of a number a is written as -a.

The positive number of any pair of opposite nonzero real numbers is called the absolute value of each number in the pair.

The absolute value of a number a is written as | a |.

Answer 9

So -3 1/2 = 3 1/2?

Answer 10

Yes

Answer 11

If a is positive, | a | = a.

If a is negative, | a | = –a.

If a = 0, | a | = 0.

Answer 12

okay so
|-3 1/2| - |12 1/4| = |3 1/2| - |-12 1/4| ?
@skullpatrol

Answer 13

Nope, do not change the sign of 12 1/4 because it is already positive.

Just change the sign of -3 1/2 to 3 1/2 as you did.

Answer 14

oh ok then what?

Answer 15

Perform the subtraction.

Answer 16

| -3 1/2 | = 3 1/2

| 12 1/2 | = 12 1/4

Answer 17

3 1/2 - 12 1/4 = -8 3/4

Answer 18

@skullpatrol

Answer 19

You got it! :D

Answer 20

awesome! is that the answer?

Answer 21

Yup

Answer 22

great! thank you!!

Answer 23

Thanks for trying to learn :-)