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Home > GC > Chapter 10 > Lesson 10.2.3 > Problem 10-81


For each spinner below, find the expected value of one spin.  

  1. A spinner, is divided in half, vertically. The right side, is labeled 6. The left side, is divided, into two equal sections. Top, is labeled negative 3, and bottom, is labeled 10.

  1. A spinner with a label of 12.

  1. A spinner is divided into 2 sections. 30 degrees section is labeled 9 and the other section is labeled 4.

What is the measure of the unmarked arc?