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S_A_V [24]
4 years ago
10

Let cos(−θ)=−3/5 and tanθ>0 .

Mathematics
1 answer:
german4 years ago
6 0

Answer:

A

Step-by-step explanation:

The cosine of a right triangle is the adjacent over the hypotenuse. If the cosine is -3/5 then it must be a right triangle with sides 3, 4, & 5 since this is a Pythagorean triple. This means the sin will be -4/5. We know its negative because the tangent is positive so this is the 3rd quadrant where both Sine and Cosine are negative.

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I need help ASAP!!!!!!!!
Margarita [4]

Answer:

Sum=720  x=105 degrees  Angle H=110 degrees   Angle I= 100 degrees   Angle K= 135

Step-by-step explanation:

*A hexagons angles add up to 720

*This is a hexagon

*No matter  how the hexagon is shaped, it's still going to add up to 720

  1. Combine all of the angles (known and unknown) into an equation to equal 720
  2. 140+105+(x+30)+130+(x-5)+(x+5)=720
  3. remove parentheses
  4. 140+105+x+30+130+x-5+x+5=720
  5. Combine like terms and simplify
  6. 3x+405=720
  7. subtract 405 from both sides
  8. 3x=315
  9. divide by 3 on both sides
  10. 3x/3=315/3
  11. x=105
  12. Angle H = x+5
  13. Plug in x
  14. 105+5=110
  15. Angle H= 110 degrees
  16. Angle I = x-5
  17. pug in x
  18. 105-5=100
  19. Angle I= 100 degrees
  20. Angle K= x+30
  21. plug in x
  22. 105+30=135
  23. Angle K= 135 degrees
4 0
3 years ago
A rope is 84 meters long is cut int two pieces so that one piece is 18 meters longer than the other. What is the length of each
Tpy6a [65]

Answer:

33 meters

51 meters

Step-by-step explanation:

84-18= 66

66/2= 33

33+18= 51

Check your answer:

51+33=84

5 0
3 years ago
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A. 591 meters is the outer perimeter of the track!!
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29 spots.

Hope it helped! :)

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igomit [66]

Answer: x= h/-4u+7

Step-by-step explanation:

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4 years ago
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