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HELLOMYNAMEISKAM

  • one year ago

If x = –4, evaluate –x. A. 8 B. 4 <----- i think its this one C. 0 D. –4

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  1. HELLOMYNAMEISKAM
    • one year ago
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    @haleyelizabeth2017 @DARTHVADER2900 @LunaTiger @Loser66 Can one of u guys help me ?

  2. HELLOMYNAMEISKAM
    • one year ago
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    ok thnx anyway :-)

  3. freckles
    • one year ago
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    yes the opposite of -4 is 4

  4. HELLOMYNAMEISKAM
    • one year ago
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    ok thanks

  5. HELLOMYNAMEISKAM
    • one year ago
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    can u help me with a couple more questions @freckles

  6. freckles
    • one year ago
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    sure

  7. HELLOMYNAMEISKAM
    • one year ago
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    Simplify. 6 – [–(–1)] A. –7 B. 7 C. –5 D. 5

  8. freckles
    • one year ago
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    well do you know what -(-1) equals?

  9. HELLOMYNAMEISKAM
    • one year ago
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    1 ?

  10. freckles
    • one year ago
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    right so you have 6-[-(-1)] 6-[1] drop [ ] 6-1

  11. HELLOMYNAMEISKAM
    • one year ago
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    Simplify. | –3.9| + | 3.9| A. –7.8 B. 0 C. 7.8 D. 8

  12. HELLOMYNAMEISKAM
    • one year ago
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    is 0 correct? my calculator says 0

  13. freckles
    • one year ago
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    |-3.9| is the number of units that represents the distance from -3.9 to 0 |3.9| is the number of units that represents the distance from 0 to 3.9 |a| is the number of units that represents the distance from a to 0 or you could say 0 to a it doesn't matter anyways distance is a positive or zero number

  14. freckles
    • one year ago
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    do you know how far -3.9 is from 0?

  15. HELLOMYNAMEISKAM
    • one year ago
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    4 ? or 3 ?

  16. freckles
    • one year ago
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    |dw:1443647324087:dw|

  17. freckles
    • one year ago
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    |-3.9| is 3.9 3.9 is how far -3.9 is from 0

  18. HELLOMYNAMEISKAM
    • one year ago
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    oh ok

  19. freckles
    • one year ago
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    |dw:1443647410336:dw|

  20. freckles
    • one year ago
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    you have 3.9+3.9

  21. HELLOMYNAMEISKAM
    • one year ago
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    oh ok so its 0

  22. freckles
    • one year ago
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    3.9+3.9 isn't 0

  23. HELLOMYNAMEISKAM
    • one year ago
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    ok 7.8

  24. freckles
    • one year ago
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    yes 9+9=18 so 3.9+3.9=(1+3+3)+.8=7+.8=7.8

  25. HELLOMYNAMEISKAM
    • one year ago
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    Evaluate the expression if d = –3. |d| A. –3 B. 0 C. 1 D. 3 <------ i think its this one ? one more after this

  26. freckles
    • one year ago
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    yes |-3| is the distance from -3 to 0 distance is only positive or 0 so |-3|=3

  27. HELLOMYNAMEISKAM
    • one year ago
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    Solve the equation with the replacement set {–59, –9, 9, 59} |34 – x | = 25 A. 9, 59 B. 9, –9 C. 9 D. 59

  28. freckles
    • one year ago
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    have you plugged in the numbers to see which work?

  29. freckles
    • one year ago
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    like which of the following are true: |34-(-59)|=25 |34-(-9)|=25 |34-9|=25 |34-59|=25

  30. HELLOMYNAMEISKAM
    • one year ago
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    oh ok nvm i got it. It's 9, right?

  31. freckles
    • one year ago
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    did you check the others like have you found 34-59 and then find the distance that result is from 0?

  32. HELLOMYNAMEISKAM
    • one year ago
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    yup. 34 - 59 = -25 34 - -59 = 93 34- -9= 43

  33. freckles
    • one year ago
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    and |-25|=25

  34. freckles
    • one year ago
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    |34-59|=|-25|=25 so |34-59|=25 is a true equation

  35. freckles
    • one year ago
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    which means 59 also works

  36. HELLOMYNAMEISKAM
    • one year ago
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    oh okay

  37. freckles
    • one year ago
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    you have two solutions 9 and 59 I hope you see why

  38. HELLOMYNAMEISKAM
    • one year ago
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    Oh ok now i do. Thanks for the help.

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