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WAEC Mathematics 2019 Paper

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Question : 9

Total: 50

If 6, P, and 14 are consecutive terms in an Arithmetic Progression (AP), find the value of P.

9
10
6
8

Solution:

6, p, 14

14 - p = p - 6

14 + 6 = p - 6

14 + 6 = p + p

$\;\frac{2p}{2}$

= $\;\frac{20}{2}$

p = 10

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