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2 years ago

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If R = { (x, y) is an element of N, x is an element of N, y is an element of N / x-y is divisible by 5 } then show that R is an

equivalence relation

1 answer:

ruslelena [56]2 years ago

8 0

5 is the awnser fs because it matches

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Find the value of x.

UNO [17]

Answer:

x = 20

Step-by-step explanation:

Intersecting Chords Theorem: ab = cd

Step 1: Label our variables

<em>a</em> = x

<em>b</em> = x - 11

<em>c</em> = x - 8

<em>d</em> = x - 5

Step 2: Plug into theorem

x(x - 11) = (x - 5)(x - 8)

Step 3: Solve for <em>x</em>

x² - 11x = x² - 8x - 5x + 40

x² - 11x = x² - 13x + 40

-11x = -13x + 40

2x = 40

x = 20

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