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Serjik
12 days ago
15

A. Given directed line segment MN with M(-6,-2) and N(3,1), find point P that partitions the segment into a ratio of 1:2. Explai

n your reasoning. B. Given directed line segment JK with J(-1,6) and K(3,-2), find point L that partitions the segment into a ratio of 3:1. Explain your reasoning.
Mathematics
1 answer:
AnnZ [12.3K]12 days ago
7 0

1. According to the definition, a specific point that splits a line segment into a ratio of a:b is indicated by the following x-coordinate:

x1+\frac{a}{a+b} (x2-x1)

And the y-coordinate:

y1+\frac{a}{a+b}(y2-y1)

2. Keeping this in mind, you have:

A) x-coordinate:

-6+(\frac{1}{1+2}) (3+6)=-3

y-coordinate:

-2+(\frac{1}{1+2} )(1+2)=-1

The answer is: P(-3,-1)

B) The x-coordinate is:

-1+(\frac{3}{3+1} )(3+1)=2

The y-coordinate is:

6+(\frac{3}{3+1} )(-2-6)=0

The answer is: L(2,0)

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Start by letting x represent the number of Sam's pencils. Then Sari has 3x (since she has three times as many)

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x + 3x = 28
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x = 7
So Sam has 7 pencils.
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Answer:

a) Ann has a 1/3 chance of winning in the first round

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c) The probability that Ann's first win occurs after the fourth round is 16/81

Step-by-step explanation:

a) Each strategy is played with a probability of 1/3. Given any strategy, there’s a 1/3 chance that Bill will choose the strategy that allows Ann to win. Consequently, the probability of Ann securing a victory in the first round (or any round) is

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Thus, the likelihood of Ann winning the initial round is 1/3.

b) The chances of Ann winning a round stand at 1/3; therefore, her chances of not winning are 2/3. This must happen three times before her first victory. Thus, the probability that Ann's first win occurs in the fourth round is

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To address this query, we first need to formulate a function that reflects the situation.

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