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anonymous

  • one year ago

Based on the figure below, what is the value of x? A right angle is shown divided in two parts. The measure of the angle of one part is 20 degrees and the measure of the other part is 5x plus 15 degrees. 1 9 11 15

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  1. anonymous
    • one year ago
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    @Jamierox4ev3r

  2. anonymous
    • one year ago
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    @Callisto plz help?????

  3. anonymous
    • one year ago
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    @paki

  4. hihi67
    • one year ago
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    I can help

  5. anonymous
    • one year ago
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    ok

  6. hihi67
    • one year ago
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    So first you need to set up an equation. You already have the left side (5x + 15), now you just need what it is equal to. Can you tell me that?

  7. anonymous
    • one year ago
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    Um i dont know lol.

  8. hihi67
    • one year ago
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    How many degrees in a right angle?

  9. anonymous
    • one year ago
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    90 degrees @hihi67

  10. hihi67
    • one year ago
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    Exactly. So now we have 90=5x+15 Do you follow?

  11. anonymous
    • one year ago
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    yes

  12. hihi67
    • one year ago
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    Okay, do you know how to solve equations? Cause if you do then you should be able to continue on your own

  13. anonymous
    • one year ago
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    yes i do but i dont know how to solve this one

  14. hihi67
    • one year ago
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    So first you subtract 15 on each side: 90=5x-5 |-15 This results in: 75=5x Then you simply divide by 5 on each side: 75=5x |/5 This results in: x = 15

  15. hihi67
    • one year ago
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    I know you said you can solve equations, but I suggest you study that a bit more in detail, because the equation I just did was really, really basic.

  16. anonymous
    • one year ago
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    ok thank you

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