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saveliy_v [14]
3 years ago
11

There are 23 tables in the library. Each table has 4 chairs. Third grader fill the chairs at 3 tables. Fourth graders fill the c

hairs at 6 tables. The rest of the chair are empty.
A: the letter C stands for the number of chair with students sitting with them. Write an equation that will help you find c?
Mathematics
2 answers:
frez [133]3 years ago
4 0
3 tables of 3rd graders times 4 chairs per table = 3*4 chairs or 12 chairs.
6 tables of 4th graders times 4 chairs per table = 6*4 chairs or 24 chairs.

3*4 + 6*4 = c
12 + 24 = c
36 = c

sleet_krkn [62]3 years ago
4 0
23-3-6=14 students
yeah did is my answer
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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

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*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
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  12. Angle H = x+5
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  14. 105+5=110
  15. Angle H= 110 degrees
  16. Angle I = x-5
  17. pug in x
  18. 105-5=100
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