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Subject
Topic
Level
Junior High
Grade
6

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Subject
Topic
Level
Junior High
Grade
6

Answer

1) 8/13

2)6&(2/5)

3)2 & (19/28)

Steps

 

  1. (4/5)X(10/13)
  2. (4/5)X((5X2)/13
  3. 5 cancels.
  4. (4X2)/13
  5. 8/13

 

3&1/5by 4/5

(16/5 )/(1/2)

(16x2)/5

32/5

6&(2/5)

 

 

2&1/7 by 4/5

(15/7) /(4/5)

(75/28)

2&(19/28)

 

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Answer

Angle 'a' plus Angle (a plus 30) equals 90

Therefore 2a plus 30 equals 90.

2a equals (90-30).

2a equals 60.

a equals (60/2).

a equals 30 degrees.

Steps

 

  1. Steps have been explained in the Answer.

 

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