3 years ago

At what stage will 81 new friends know about your summer job?

Mathematics

1 answer:

Degger [83]3 years ago

7 0

On the 4th stage, 81 friends will be called to be told of the news

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Dima020 [189]

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Step-by-step explanation:

divide both numbers that were given by 8. 8÷8 is 1 and 2÷8 is 0.25.

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2 years ago

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Find the equation of the line

Gre4nikov [31]

Answer:

y= - 1/6x -1

Step-by-step explanation:

Given:

y= 6x -2

and point (6, -2)

Perpendicular line has slope of reciprocal opposite to the given: - 1/6, so the equation:

y= -1/6x + b

Finding b using the intersected point:

-2= -1/6*6 +b
b= -2 +1= -1

So the equation is:

y= - 1/6x -1

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3 years ago

What is the value of x?

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Here are the prices of five new skateboards, in dollars: 75, 82, 100, 120, 140.

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Step-by-step explanation:

Standard deviation is used to show how the points of the data deviate from the mean. The formulae for deriving standard deviation is attached. As seen from the formulae, the greater the variance of the data from the mean, the higher the Standard Deviation.

The mean of the given data points is $103.4. $450 is way off from this mean meaning that there is a large variance in this data point.

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3 years ago

3) (7,5), (9,-4) A) (-1, 4.5) G) (6, 2.5) B) (11.-13) D) (8,0.5)

Mnenie [13.5K]

Answer:

Step-by-step explanation: 474747-4747474-

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