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3 years ago

Write the equations bellow in slope-intercept form. Determine if the lines are parallel, perpendicular, or neither

Mathematics

1 answer:

dexar [7]3 years ago

6 0

A parallel is the correct answer

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A pharmaceutical testing company wants to test a new cholesterol drug. The average cholesterol of the target population is 200 m

Rom4ik [11]

Answer:

The required range is 237.5 to 275.

Step-by-step explanation:

Consider the provided information.

The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg.

The the value of μ = 200 and the $\sigma=25$

The company wished to test a sample of people who fall between 1.5 and 3 z-scores above the mean.

Let the value of z is 1.5.

Now use the z score formula: $z=\frac{(x -\mu)}{\sigma}$

Substitute the respective values in the above formula.

$1.5=\frac{(x -200)}{25}$

$37.5=x -200$

$237.5=x$

Now let the value of z is 3.

Substitute the respective values in the z score formula.

$3=\frac{(x -200)}{25}$

$75=x -200$

$275=x$

Hence, the required range is 237.5 to 275.

4 0

4 years ago

Is 17/10 a rational number ?

mel-nik [20]

Answer:

no it is not

Step-by-step explanation:

7 0

4 years ago

Alice is paying her bill at a restaurant. The tax on the cost of her meal is 5%. She decides to leave a tip of 20% of the cost o

iogann1982 [59]

M* .20 + m * 1.05 =

5 0

3 years ago

What is the solution of 3+ X-2/x-3 less than or equal to 4

Archy [21]

Answer:

Step-by-step explanation:

3+ $3+\frac{x-2}{x-3} \leq 4\\\\\frac{x-2}{x-3} \leq 4-3\\\frac{x-3+1}{x-3} \leq 1\\1+\frac{1}{x-3} \leq 1\\\frac{1}{x-3} \leq 0\\x-3 \leq 0\\x\leq 3$

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3 years ago

What solution is equal to X +3 equals 12

vazorg [7]

Answer: 12 - 3 = x

Step-by-step explanation:

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3 years ago