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15 August, 14:18

Kathleen correctly determines four arithmetic means between - 7 and 14. What values does Kathleen determine?

Kathleen determines the four arithmetic means to be - 2.8, 1.6, 5.8, and 10.

Kathleen determines the four arithmetic means to be - 2.8, 1.4, 5.6, and 9.4.

Kathleen determines the four arithmetic means to be - 2.8, 1.4, 5.6, and 9.8.

Kathleen determines the four arithmetic means to be - 2.8, 1.6, 5.6, and 9.8.

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Answers (1)
  1. 15 August, 15:40
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    Kathleen determines the four arithmetic means to be - 2.8, 1.4, 5.6, and 9.8.

    Step-by-step explanation:

    The overall interval is 14 - (-7) = 21 units in length. The four equally-spaced "means" divide the interval into 5 equal parts, each one of which is ...

    21/5 = 4.2

    The four means are ...

    -7 + 4.2 = - 2.8

    -2.8 + 4.2 = 1.4

    1.4 + 4.2 = 5.6

    5.6 + 4.2 = 9.8
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Home » Mathematics » Kathleen correctly determines four arithmetic means between - 7 and 14. What values does Kathleen determine? Kathleen determines the four arithmetic means to be - 2.8, 1.6, 5.8, and 10. Kathleen determines the four arithmetic means to be - 2.8, 1.
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