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Arturiano [62]
3 years ago
11

I need to find the mean, median,mode, and range of 8,6,7,6,5,4 1/2, 7 1/2, 6 1/2, 8 1/2, 10,7,5, 5 1/2, 8,9, 7,5,6, 8 1/2, and 6

Mathematics
1 answer:
sattari [20]3 years ago
7 0

Answer:

add them all up and divide by 19

Step-by-step explanation:

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Sam decided to lose weight and went on a diet. The figure below depicts a graph, showing how his weight changed during the year.
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100kg

Step-by-step explanation:

On the graph 100kg is where the line starts so that his weight when he started. Hope this made sense!

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Find the equations of the tangents to the curve x=9t2+3, y=6t3+3 that pass through the point (12,9).
Xelga [282]

Answer:

The equation will be "y=x-3".

Step-by-step explanation:

Given:

Points (12, 9) = (x, y)

⇒ x=9t^2+3

then,

 \frac{dy}{dt}=18t

or,

⇒ y=6t^3+3

then,

 \frac{dy}{dt}=18t^2

⇒ \frac{dy}{dx}=\frac{18t^2}{18t}

        =t

By using the point slope form.

The equation of tangent will be:

⇒ y-9=1(x-12)

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3 years ago
On a test that has a normal distribution, a score of 49 falls two standard deviations below the mean, and a score of 61 falls on
Zolol [24]

The mean of this test will be 57.

<h3>What is Standard Deviation and Mean?</h3>

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean.

The mean can be used to get an overall idea, or picture, of the data set.

Let Mean be 'm'

and standard deviation= \sigma

So, m-2\sigma=49

and, m + \sigma=61

Solving the above two equation we get

\sigma =4

Now, m= 61-\sigma

           = 61-4

           = 57

So , the mean of this test will be =57

Learn more about mean and standard deviation here:

brainly.com/question/16030790

#SPJ1

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What is the common factor of 7 and 15
Trava [24]
The common factor of 7 and 15 is 1
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3 years ago
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