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3 years ago

9

If k people are seated in a random manner in a circle containingnchairs(n > k),whatistheprobabilitythatthe people will occupy

k adjacent chairs in the circle?

1 answer:

velikii [3]3 years ago

6 0

It depends on the amount of n and k to determine

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Solve the following:<br> a.) X^2 - 2x – 24 = 0<br><br> b.) x^2 - 11x + 18 =0

wolverine [178]

Answer:

The answer for the first equation is,

X = 6, -4

The answer for second equation is,

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2 years ago

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Write an expression involving integers for each statement a) moving 4 steps left, then moving 9 steps right b) on 3 separate occ

Charra [1.4K]

Answer:

a) x-4+9

b) x-2

For part b, I am not 100% sure about my answer, but I am sure about part a.

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3 years ago

Micah was asked to add the following expressions: 3x2−x−9x2+3x+2+−2x2+2x+5x2+3x+2 First, he combined like terms in the numerator

shtirl [24]

Micah was asked to add the following expressions:

$\frac{3x^2-x-9}{x^2+3x+2} + \frac{-2x^2+2x+5}{x^2+3x+2}$

First, he combined like terms in the numerator and kept the common denominator

First step is correct. He added the like terms in the numerator, because the denominators are same.

$3x^2 -x -9 -2x^2+2x+5becomes x^2 +x -4$

So he got , $\frac{x^2+x-4}{x^2+3x+2}$

In the next step, he cannot cancel out x^2 from the top and bottom . Because x-4 and 3x+2 are added with x^2

If we have x^2 is multiplied with other terms at the top and bottom , then we can cancel out x^2.

So Micah added the expression incorrectly. Final answer is not correct.

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3 years ago

What is the y coordinate of the point that divides the directed line segment from j to k into a ratio of 2 to 3

il63 [147K]

Answer:

y = $y_{1}$ + rise * 2/5

Step-by-step explanation:

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3 years ago

Michelle's salad uses 1ż tomatoes and

Bess [88]

Answer:

if Michelle's salad use 1tomato and servers 3 people which mean if she use 2 tomatoes she will server 6 people

Step-by-step explanation:

and caley's salad uses 2 tomatoes and servers 5 people

michelle's tomatoes serves more

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2 years ago