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Nana76 [90]
3 years ago
11

Guys please help.

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
4 0

Answer:

can you show it on the graph

Step-by-step explanation:


ANTONII [103]3 years ago
3 0
Start at (0, 72), then (1, 64), (2, 56), ETC. I hope you see the pattern! Do it until you reach (9, 0) 
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Check the picture below.

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we know the chord is 10 units long, so 5 + 5, since is perpendicularity with the radius will also cut the chord in two equal halves.

anyhow, all that said, we end up with triangle you see on the right-hand-side, and then we can just use the pythagorean theorem.

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\textit{and then we can \underline{rationalize the denominator} }
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a=\cfrac{5}{\sqrt{3}}\cdot \cfrac{\sqrt{3}}{\sqrt{3}}\implies a=\cfrac{5\sqrt{3}}{\sqrt{3^2}}\implies a=\cfrac{5\sqrt{3}}{3}

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