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gtb0329

Someone Please Help!!! Find the radian measure of an angle of -280 degrees

  • 11 months ago
  • 11 months ago

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  1. crazycatlady
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    Do you have connections academy?

    • 11 months ago
  2. gtb0329
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    yes.

    • 11 months ago
  3. crazycatlady
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    to find the radian measure multiply -280 * pi radians/180

    • 11 months ago
  4. sriramkumar
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    -280 = -270 - 10 = -(270 + 10) = -(2(pi)/3 + 10)

    • 11 months ago
  5. sriramkumar
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    or like the dude said, multiply with (pi)/180

    • 11 months ago
  6. crazycatlady
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    -14pi/9

    • 11 months ago
  7. gtb0329
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    alright. I'm still slightly confused. I have to be shown things to understand better, but i somewhat understand. Can you help me with some other problems?

    • 11 months ago
  8. crazycatlady
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    Sure

    • 11 months ago
  9. gtb0329
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    find the degree measure of an angle of 3(pi)/5 radians.

    • 11 months ago
  10. gtb0329
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    Thanks you so much!:)

    • 11 months ago
  11. crazycatlady
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    you multiply 3pi/5radians* 180/pi radians to get 108

    • 11 months ago
  12. gtb0329
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    okay, i definitely understand that one. Find the exact values of cos(3(pi)/4 radians) and sin (3(pi)/4 radians).

    • 11 months ago
  13. crazycatlady
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    I still don't understand that one..but its -sqrt2/2, sqrt2/2

    • 11 months ago
  14. gtb0329
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    Okay, i will just have to ask my teacher about that one later. Use the given circle. Find the length s to the nearest tenth.

    • 11 months ago
  15. crazycatlady
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    length of intercepted arc = radius*central angle

    • 11 months ago
  16. crazycatlady
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    so 5 * 2pi/3 = 10.5

    • 11 months ago
  17. gtb0329
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    Understandable. When you explain this and i understand it, it makes me feel slightly dumb for not understanding when i was reading it in the book. lol Last one. A weather satellite in circular orbit around Earth completes one orbit every 5 hours. The radius of Earth is about 6,400 km and the satellite is positioned 4,700 km above the Earth. How far does the satellite travel in 1 hour? Round your answer to the nearest kilometer.

    • 11 months ago
  18. crazycatlady
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    Thats why i take notes lol even if i don't understand it, it is written in front of me I don't understand how to do this last one but the answer is 13,949

    • 11 months ago
  19. gtb0329
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    lol yeah, it is just gibberish to me either way.. lol Thanks so much!!:)

    • 11 months ago
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