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22-10-2020
Mathematics

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R, S, and I are collinear. S is between R and T. RS = 2w +1,
ST= 6w , and RT=81.

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Adetunmbiadekunle Adetunmbiadekunle

30-10-2020

Answer:

w = 10

Step-by-step explanation:

Here, we want to find the value of w

Since the three points are collinear, then;

RS + ST = RT

Thus;

81 = 2w + 1 + 6w

81 = 8w + 1

8w = 81-1

8w = 80

w = 80/8

w = 10

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