A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

(_____) + (7 − 3i) + (5 + 9i) + 13i = 10 − 5i. whats the missing term?

  • This Question is Closed
  1. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    still need help?

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes please

  3. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    can u help?!?!?!?

  4. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yup

  5. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1434548691427:dw|

  6. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1434548770588:dw| ? +7+5 =10 ?+ 12 =10 if you subtract both sides by 12, what do you get

  7. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ?=-2

  8. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    right

  9. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yeah!!!

  10. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    woohoo

  11. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1434548895323:dw|

  12. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    do the same with i

  13. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ? -3i +9i +13i = -5i then ? =

  14. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    that's where i get confused

  15. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    just think "i" as a "cookie" you have ? "cookie" - 3 "cookie" +9"cookie" +13"cookie"= -5"cookie" and solve for ?cookie

  16. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    still lost

  17. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    hehehe....it' s ok I slow it down

  18. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thanks

  19. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ? i -3i +9i +13i =-5i from the left hand side, you let ?i aside, combine like terms, what do you get? ?i + .....

  20. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ?i=6i right?

  21. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    nope, don't guess. You CAN do it.

  22. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now, simpler way -3 +9 +13 =?

  23. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oh didnt see the 13

  24. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    19

  25. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah

  26. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oh, sorry ?i +19i =-5i now, -19i both sides, what do you get for ?i

  27. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -24

  28. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    -24 what? not just -24, it is -24i, right?

  29. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    I saw you typed something and then you disappeared!! I assume that you are knocked out of the net. :) Ok, now you got 24i, just plug into the blank of the problem. |dw:1434549812312:dw|

  30. Loser66
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1434549833249:dw|