Really need help answer part A and part B please

Mathematics

1 answer:

Vlad [161]3 years ago

7 0

13 + c > 78
-13 - 13
c > 65

Graph an open circle at 65 and draw the line to the right (c --> 65)

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$\boxed{\begin{array}{c|c|c||l}\underline{Alice}&\underline{Bob}&\underline{Carol}&\underline{Prize}\\T&T&F&\text{Alice}\\T&F&F&\text{no possible answer}\\T&F&T&\text{no possible answer}\\F&T&T&\text{no possible answer}\\F&F&T&\text{no possible answer}\\F&T&F&\text{no possible answer}\end{array}}$

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Alice: Bob doesn’t have the prize (T) ... either Alice or Carol

Bob: I don’t have the prize (T) ... either Alice or Carol

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Line 2:

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Carol: I have the prize (F) ... either Alice or Bob