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Mathematics 19 Online
OpenStudy (anonymous):

14 – (–8) 5 – (–10)

OpenStudy (anonymous):

How and what the heck how do you get this???

OpenStudy (anonymous):

14-(-8)=?

OpenStudy (anonymous):

well would you do plus or minus so weould you say -8 and make it above? I got -22

OpenStudy (anonymous):

-(-)= +

OpenStudy (yanasidlinskiy):

14 - (-8) = ------> Change the sign. Which would be a positve. So now you add. 22 5 -(-10. Same here-------> 15.

OpenStudy (anonymous):

why cahge it to a positive?

OpenStudy (anonymous):

ok so 15?

OpenStudy (anonymous):

14 – (–8) 5 – (–10) A. –9 B. 1 C. 21 D. 37

OpenStudy (anonymous):

its a rule that's correct

OpenStudy (anonymous):

well nto really that is not an answer

OpenStudy (anonymous):

so what do you think it is then?

OpenStudy (yanasidlinskiy):

Yes. 15 The reason why you change it to a positive is because your subtraction integer rules. Do you know those? Yes. that is not the answer. Your not done. You have to add 22+15?

OpenStudy (anonymous):

so what u want to do? 22(15)

OpenStudy (anonymous):

i got A

OpenStudy (anonymous):

What is the difference? –4.16 – (–2.3) A. –6.46 B. –1.86 C. 1.86 D. 6.46

OpenStudy (anonymous):

this one confuses me

OpenStudy (yanasidlinskiy):

You are NOT dealing with any negatives! You can rule those out. Stick with the first one first. You can rule those OUT automatically! 22+15??= final answer.

OpenStudy (anonymous):

did u get ur answer horse?

OpenStudy (anonymous):

yeah for teh other ones

OpenStudy (anonymous):

it wsa A for the first one What abotu the 2nd one

OpenStudy (anonymous):

I keep getting 2.14

OpenStudy (anonymous):

@secret88

OpenStudy (anonymous):

@YanaSidlinskiy

OpenStudy (anonymous):

can someone please help me

OpenStudy (yanasidlinskiy):

Do you have calculator handy? If so, type in -4.16+2.3. The reason you add because the integer rules for subtraction is if there are 2 negatives beside each other you make them positive.

OpenStudy (anonymous):

ok cool thanks!

OpenStudy (anonymous):

here is another question i am thinking it is positive A 13.3 + (–7)

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