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stiks02 [169]
3 years ago
15

Solve the problem pls and thx X + 2y > 6

Mathematics
2 answers:
zvonat [6]3 years ago
8 0

Answer:

Solve for X=     X>6−2y

Solve for Y=     y>3−X/2

Step-by-step explanation:

musickatia [10]3 years ago
7 0

Answer:

y > 3 - x/2

slope: -1/2

y- intercept: (0,3)

Step-by-step explanation:

Solve for y:

- subtract x from both sides of inequality

2y > 6 - x

- divide each term in 2y > 6 - x by 2

2y/2>6/2+-x/2

- cancel the common factor of 2

2y/2>6/2+-x/2

- divide y by 1

y>6/2+-x/2

Simplify each term:

- divide 6 by 2

y> 3 - x/2

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mixer [17]

Answer:

0.02275

Step-by-step explanation:

We have been given that the time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. We are asked to find the probability of completing the exam in one hour or less.

We know that 1 hour equals 60 minutes. First of all, we will find the z-score corresponding to 60 minutes.  

z=\frac{x-\mu}{\sigma}

z = z-score,

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z=\frac{60-80}{10}

z=\frac{-20}{10}

z=-2

Now, we will use normal distribution table to find area under z-score of -2 as:

P(z< -2)

P(z< -2)=0.02275

Therefore, the probability of completing the exam in one hour or less is 0.02275.

7 0
3 years ago
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Nastasia [14]

Answer:

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Step-by-step explanation:

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