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babunello [35]
3 years ago
12

I need help with this please??

Mathematics
1 answer:
kolbaska11 [484]3 years ago
4 0
It's all geometry and circle stuff.  Inscribed angles and the like.  a. 46 degrees   b. 23 degrees   c. 46 degrees   d. 50 degrees   e. 130 degrees   f. 90 degrees  I recommend you study up on your circle stuff.  There's tons of theorems regarding circles.
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Rachel's learning to play the violin Monday through Friday she practices 45 minutes on each day on Saturday and Sundays he broug
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Rachel spends 6 hours 45 minutes a week trying to learn to play the violin.

Step-by-step explanation:

Step 1; Rachel learns for 45 minutes a day from Monday through Friday and in the weekend she learns to play the violin for one and a half hours. So she learns for the following periods of time

Monday - 45 minutes

Tuesday - 45 minutes

Wednesday - 45 minutes

Thursday - 45 minutes

Friday - 45 minutes

Saturday - 90 minutes (60 × 1.5 hours)

Sunday - 90 minutes (60 × 1.5 hours)

Step 2; To determine how much time she practices in a week we just add the individual times she plays on each day.

Total time practices in a week = 45 + 45 + 45 + 45 + 45 + 90 + 90 = 405 minutes = 6 hours 45 minutes.

           

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Step-by-step explanation:

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