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madreJ [45]
2 years ago
11

Find the slope of the line passing through the points , 2−6 and , −9−6

Mathematics
1 answer:
aalyn [17]2 years ago
4 0

I will assume that we are trying to find the slope between (2,-6) and (-9,-6)

The slope's equation ⇒  \frac{y2-y1}{x2-x1}

<u />

<u>Let's set the variables:</u>

    (x1, y1) --> (2, -6)

    (x2, y2) --> (-9, -6)

<u>Now let's plug them in:</u>

 Slope = \frac{-6--6}{-9-2} =\frac{0}{-11} =0

<u>Thus the slope of the line is 0</u>.

Hope that helps!

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A book contains 110 pages. Pages 17 to 26 contains pictures. How many pages do not contain pictures?​
blsea [12.9K]

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100 don't contain pictures

Step-by-step explanation:

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2 years ago
A candy dish contains 30 jelly beans and 20 gumdrops. Ten candies are picked at random. What is the probability that 5 of the 10
AveGali [126]

Answer:

The probability of drawing 5 gumdrops in 10 picks from the dish is 0.215

Step-by-step explanation:

A hypergeometric distribution is a discrete probability distribution that describes the probability of successes in draws with each draw being a success or failure, without replacement from a finite population size that contains exactly the same objects. The general formula is given as:

h(x) =\frac{({A}C_{x})({N-A}C_{n-x})}{^{N}C_{n}  }

where:

^{n}C_{r}=\frac{n!}{(n-r)!r!}

h(x)  is the probability of x successes,

n is the number of attempts,

A is the number of successes  

N is the number of elements

For this problem:

A = 30, x = 5, N = 50, n = 10

The probability of drawing 5 gumdrops in 10 picks from the dish P(x=5) is

P(x=5)=\frac{({30}C_{5})({50-30}C_{10-5})}{^{50}C_{10}  }\\P(x=5)=\frac{({30}C_{5})({20}C_{5})}{^{50}C_{10}  }

P(x=5)=\frac{\frac{30!}{(30-5)!5!}*\frac{20!}{(20-5)!5!}  }{\frac{50!}{(50-10)!10!} }\\P(x=5)=\frac{\frac{30!}{25!5!}*\frac{20!}{15!5!}  }{\frac{50!}{40!10!} }

P(x=5)=\frac{142506*15504}{1.207*10^{10} }=0.215

P(x=5) = 0.215

The probability of drawing 5 gumdrops in 10 picks from the dish is 0.215

4 0
3 years ago
What is an equation in point-slope form of the line that passes through (−1,−4) and (2, 5)?
lakkis [162]

Answer:

I think y−4=3(x−1)

5 0
2 years ago
Read 2 more answers
A sample of 100 footballs showed an average air pressure of 13 psi. The standard deviation of the population is known to be .25
Vladimir79 [104]

Answer:

0.025 is the standard error of mean.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 100

Sample mean = 13 psi

Population standard deviation = 0.25 psi

We have to find the standard error of the mean.

Formula:

Standard error =

\dfrac{\sigma}{\sqrt{n}} = \dfrac{0.25}{\sqrt{100}} = \dfrac{0.25}{10} = 0.025

0.025 is the standard error of mean.

7 0
3 years ago
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