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3 years ago

Reflect across the y=x. Fill in the new coordinates below:

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

3 0

Answer:

K' = (8,-4) L' = (4,-7) M' = (1,-2)

Step-by-step explanation:

Simply take the x coordinates and the y coordinates and flip them.

For example, if you have A (2, 4) reflected across y=x, A' would be (4,2).

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A scientist inoculates mice, one at a time, with a disease germ until he finds 3 that have contracted the disease. If the prob

UkoKoshka [18]

Answer:

The probability that 8 mice are required is 0.2428.

Step-by-step explanation:

Given : A scientist inoculates mice, one at a time, with a disease germ until he finds 3 that have contracted the disease. If the probability of contracting the disease is two sevenths.

To find : What is the probability that 8 mice are required? The probability that that 8 mice are required is nothing ?

Solution :

Applying binomial distribution,

$P(X=r)=^nC_r p^rq^{n-r}$

Where, p is the probability of success $p=\frac{2}{7}$

q is the probability of failure q=1-p, $q=1-\frac{2}{7}=\frac{5}{7}$

n is total number of trials n=8

r=3

Substitute the values,

$P(X=3)=^8C_3 (\frac{2}{7})^3 (\frac{5}{7})^{8-3}$

$P(X=3)=\frac{8!}{3!5!}\times \frac{8}{343}\times (\frac{5}{7})^{5}$

$P(X=3)=\frac{8\times 7\times 6}{3\times 2\times 1}\times \frac{8}{343}\times \frac{3125}{16807}$

$P(X=3)=0.2428$

Therefore, the probability that 8 mice are required is 0.2428.

5 0

3 years ago

Can somebody please help me and tell me what the error is!! PLEASE I NEED HELP ELSE I WILL FAIL MY CLASS AND GO TO SUMMER SCHOOL

VikaD [51]

Answer:

I think that is enlargement

Step-by-step explanation:

i like helping out people oh by the way i'm new will you be my friend

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3 years ago

What is the midpoint between points (1, 4) and (9, 16)?

Ostrovityanka [42]

To find the midpoint you find the average x and the average y values. The average of 1 and 9 is 5, and the average of 4 and 16 is 10. The midpoint would be (5,10).

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3 years ago

Use long division to find each quotient. Show your computation and write your answer as a decimal.

musickatia [10]

A= 4.4 B= 0.875 should be the answers

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3 years ago

Brainliest goes to whoever answers the question correctly

Fudgin [204]

Answer:

The answer is option A.

Step-by-step explanation:

A. y = 8/7x +5

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3 years ago