OpenStudy (anonymous):

1. If a and b are any two real numbers, explain how you calculate the difference a – b. Be sure to include the following in your explanation: a. A description of the relationship between addition and subtraction b. How you can use a number line to help with the calculation c. How you can determine the sign of the result Answer:

3 years ago
OpenStudy (anonymous):

@pkjag

3 years ago
OpenStudy (anonymous):

@ganeshie8

3 years ago
OpenStudy (anonymous):

a) i think its but not sure \[a+(-b)\] b)in a number line the interval \[[b,a]\] should include numbers btn a and b, so that you can count them and determine the difference btn a and b c) you determine the sign by noting what number is larger btn a and b, if b is larger then the result wil be negative, otherwise it'll be positive

3 years ago
OpenStudy (anonymous):

Thank you thank you so so much

3 years ago
OpenStudy (anonymous):

are you 100 % sure on these except for the first one?

3 years ago
OpenStudy (anonymous):

and for b should I Make a number line?

3 years ago
OpenStudy (anonymous):

@pkjag you there?

3 years ago
OpenStudy (anonymous):

make a number line where a is larger than b n just put some random distance btn them

3 years ago
OpenStudy (anonymous):

can you show me exactly please sorry if im asking for to much i just really need this

3 years ago
OpenStudy (anonymous):

@pkjag you there?

3 years ago
OpenStudy (anonymous):

|dw:1412636566364:dw|

3 years ago
OpenStudy (anonymous):

not saying your wrong but why is b << and a >>

3 years ago
OpenStudy (anonymous):

yes thats why we want a-b to be positive, either way is fine just make sure you don't forget the sign

3 years ago
OpenStudy (anonymous):

thank you

3 years ago
OpenStudy (anonymous):

no problem

3 years ago
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