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Alja [10]
3 years ago
14

Evaluate the expression when c=5/8 x= -3/16 4x-c Write your answer in simplest form.

Mathematics
1 answer:
Elis [28]3 years ago
8 0
2 11/16 I believe is the answer
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Assume that there is a 8​% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive wit
romanna [79]

Answer:

0.9936 = 99.36% probability that during a​ year, you can avoid catastrophe with at least one working​ drive

Step-by-step explanation:

For each disk, there are only two possible outcomes. Either it works, or it does not. The probability of a disk working is independent of any other disk, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Assume that there is a 8​% rate of disk drive failure in a year.

So 100 - 8 = 92% probability of working, which means that p = 0.92

Two disks are used:

This means that n = 2

What is the probability that during a​ year, you can avoid catastrophe with at least one working​ drive?

This is:

P(X \geq 1) = 1 - P(X = 0)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{2,0}.(0.92)^{0}.(0.08)^{2} = 0.0064

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.0064 = 0.9936

0.9936 = 99.36% probability that during a​ year, you can avoid catastrophe with at least one working​ drive

8 0
3 years ago
Nick has to build a brick wall. Each row of the wall requires 62 bricks. There are 10 rows in the wall. How many bricks will Nic
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Nick will need 620 bricks.
4 0
3 years ago
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-1/3(n+15)=-2. what is n? please show work on paper and send it to me asap.​
Anton [14]

Step-by-step explanation:

Use the distributive formula to solve for n:

-a(b + c) = -ab - ac

So, to solve this you would have to use the distributive property:

-1/3n - 5 = -2

Add 5 to both sides

-1/3n - 5 + 5 = -2 + 5

-1/3n = 3

Now, multiply -3 from both sides

-1/3 * -3 n = 3 * -3

Simplify

n = -9

Hope that helped!!

~A̷l̷i̷s̷h̷e̷a̷♡

4 0
3 years ago
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MATH QUESTION SCREEN SHOT DOWN BELOW
Lisa [10]
F(x)= (x-p)²+q where (p,q) is min point
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the answer is first picture
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2 years ago
182-y=226 solve for y
weqwewe [10]

Step-by-step explanation:

-y=226-182

-y=44

Y=-44

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2 years ago
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