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Mirandaregina

  • one year ago

How do I go about answering this question? (Image attached)

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  1. Mirandaregina
    • one year ago
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  2. Mirandaregina
    • one year ago
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    The choices are A) 4.0 B) 4.2 C) 3.4 D) 3.8

  3. triciaal
    • one year ago
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    |dw:1437422210485:dw|

  4. triciaal
    • one year ago
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    review sum of angles in a triangle = 180 tan of angle = opposite/ adjacent

  5. triciaal
    • one year ago
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    |dw:1437422495739:dw|

  6. anonymous
    • one year ago
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    \[\text{Solve}\left[\tan (42 {}^{\circ})=\frac{8 \tan (52 {}^{\circ})}{x+8}\right]\]\[x\to 3.37215 \]

  7. triciaal
    • one year ago
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    |dw:1437422916376:dw|

  8. triciaal
    • one year ago
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    |dw:1437423184887:dw|

  9. Mirandaregina
    • one year ago
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    @triciaal I got 3.37215

  10. triciaal
    • one year ago
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    now round to 1 decimal place

  11. triciaal
    • one year ago
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    look at the 2nd decimal if 5 or more add 1 to 1st decimal if less than 5 you drop

  12. Mirandaregina
    • one year ago
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    @triciaal 3.8, so the answer is D. Thank you for taking the time to explain this to me :) I appreciate it

  13. Mirandaregina
    • one year ago
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    @robtobey also, thank you for your input as well!

  14. triciaal
    • one year ago
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    welcome

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