## anonymous one year ago What is the value of the expression –c + d when c = –3.5 and d = –12.8? A. –9.3 B. –16.3 C. 15.3 D. 16.3

1. anonymous

B

2. anonymous

+3.5-12.8 = -9.3

3. anonymous

@Learner11 incorrect

4. anonymous

−3.5+−12.8= -16.3

5. anonymous

-c+d =- (-3.5)+(-12.8) =+3.5-12.8 = -9.3

6. anonymous

@BlooooooBlahBLIIIIK ?

7. anonymous

substitute -3.5 for c and -12.8 for d then do the math thats all you have to do when they give substitution numbers in the question.

8. anonymous

am I right guys ?

9. anonymous

yes

10. anonymous

thanks . You can give me a medal :)

11. anonymous

lol yeah :)

12. anonymous

Learner11 :P

13. anonymous

whats ur name

14. anonymous

I told :P

15. anonymous

cool u play 20 question

16. anonymous

what?

17. anonymous

do u play the game 20 questions

18. anonymous

nope .

19. anonymous

actualy it is 16.3 i redid my math it is b

20. anonymous

But How ?

21. anonymous

look if u substitute -3.5 for c and - 12.8 for d that would give u the equation -3.5+(-12.8 which =16.3 add it up in a calculator and you willl see