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3 years ago

3 less than the quotient of 20 and x, write an algebraic expression

Mathematics

1 answer:

schepotkina [342]3 years ago

4 0

$\frac{20}{x}-3$

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Solve show step by step process 2/3 x + 5/6 = 11/4 (x +2)

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3 years ago

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3 years ago

Find the slope of the line passing through the two points: (1, -2) and (-3, -7)

GarryVolchara [31]

Answer:

5/4

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the slope of the line that passes through the points (-3, 5) and (1, 7)?

Stells [14]

Answer: The slope of the line is $\frac{1}{2}$

Step-by-step explanation:

The slope of a line can be calculated with the following formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

Then, given the points $(-3, 5)$ and $(1, 7)$ , you can identify that:

$y_2=5\\y_1=7\\\\x_2=-3\\x_1=1$

Knowing these values you can substitute them into the formula for calculate the slope:

$m=\frac{5-7}{-3-1}$

Finally, evaluating, you get that the slope of that line is:

$m=\frac{-2}{-4}\\\\m=\frac{1}{2}$

8 0

3 years ago

Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is t

RoseWind [281]

Answer:

0.193877

Step-by-step explanation:

The data given to us is

Pre-Employment Drug Screening Results

Positive test result Negative test result

Drug Use Is Indicated Drug Use Is Not Indicated

Subject Uses Drugs: 38 12

Subject Is Not a drug user: 19 29

Now the total of this is = 38+19+12+29= 98

Now the probability of false positive is = 19/98= 0.193877

The Subject Is Not a drug user  would suffer from a false positive. He is not a user and has a positive result.

7 0

3 years ago