## anonymous one year ago Select all of the following expressions that are equal to 2.5. 5 ÷ 2 -2(-1.25) (-0.5)2 |-1 + (-1.5)|

1. muscrat123

5 / 2 = 2.5

2. anonymous

thats a right?

3. muscrat123

-2 x -1.25 = 2.50 and yes

4. anonymous

okay so a and b

5. muscrat123

-0.5 x 2 = 1.0

6. anonymous

not c

7. muscrat123

and can u solve d? i dont want to give u all the answers ps: it = to 2.5-i want u to find out how i got there

8. anonymous

negatives are canceled right?

9. muscrat123

do u know what $\left| these \right|$ mean?

10. anonymous

its means it cancels the negatives right

11. muscrat123

not quite - they mean the absolute value of something. do u know what an absolute value is?

12. anonymous

like the first 1 right? not the 1 in 1.5

13. muscrat123

not quite right either - an absolute value is the distance away from 0. so if an ENTIRE problem is in $\left| these \right|$,then it doesnt matter if it is negative or positive. it will be positive ALWAYS if the ENTIRE problem is in the symbol do u understand do far?

14. anonymous

yea

15. muscrat123

ok. so solve for inside the symbols. in this case the ENTIRE problem r in the symbols, so u can ignore the - and positive signs i put emphasis on "entire" bc if the ENTIRE problem is not in the symbols, the rules r different

16. anonymous

okay

17. anonymous

so d is one bacause that equaks 2.5

18. anonymous

*equals

19. muscrat123

yes

20. muscrat123

anymore?

21. anonymous

yup

22. muscrat123

how many?

23. anonymous

i have no clue over like 200

24. muscrat123

*mouthdropped

25. muscrat123

for what class?

26. anonymous

i have a whole semester too make up and thats not including science

27. muscrat123

whole semester from what?

28. anonymous

algebra 1 and physics

29. muscrat123

and i may b able to help w science

30. anonymous

the whole 6 weeks thing

31. muscrat123

what school?

32. muscrat123

*mouth dropped in unbelievement

33. anonymous

regulare high school

34. muscrat123

?

35. muscrat123

online?

36. anonymous

no just plain old high schooll but i am makeing up online

37. muscrat123

oh. how did u fall behind?

38. anonymous

its complicated

39. muscrat123

lol ok

40. muscrat123

srry 4 drillin u

41. muscrat123

next ?

42. anonymous

im getting it

43. anonymous

i just dont like talking about it

44. muscrat123

oh ok. srry. and when i said next ? , i meant next question. i just abbreviate things

45. anonymous

oh yea im getting it i just have to type out the fractions

46. muscrat123

cant u just copy and paste?

47. anonymous

yea but it doesnt take fractions with it

48. muscrat123

it just puts it in a/b form