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Aleonysh [2.5K]
3 years ago
6

The number of toys owned by eight classmates is shown below:

Mathematics
2 answers:
ddd [48]3 years ago
8 0

Answer:

(I don't know how to do part B sorry :(. But I can help you with part A)

Part A: The mean of the data is 5

Step-by-step explanation:

To find the mean, you add up all the numbers, then divide the numbers depending on how many numbers there are. In this case:

4 + 3 + 4 + 5 + 6 + 6 + 8 + 4 = 40

------------------------------------------------------------------------------------------------------------

Next we divide:

40 ÷ 8 = 5

-------------------------------------------------------------------------------------------------------------

Have a good day :)

Vera_Pavlovna [14]3 years ago
3 0

Answer: The mean/average is 5

Step-by-step explanation:

First of all, we know that mean is average.

The average is when you add up all numbers which would be 3+4+4+5+6+6+8+4 which equals 40.

After this, we divide the sum by the amount of numbers in the equation.

In this case, we have 8 numbers in the equation so we divide 40 by 8.

This is basic division and we all know that the answer to 40/8 is 5.

The answer is 5.

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Pls help! 50 POINTS!
nirvana33 [79]

Answer:

See below.

Step-by-step explanation:

1)

So we have the equation:

2x+3y=1470

To change into the slope-intercept form, we need to isolate the y-variable. Thus, subtract 2x from both sides:

(2x+3y)-2x=(1470)-2x

The left side cancels:

3y=1470-2x

Now, divide both sides by 3. The left side cancels:

(3y)/3=(-2x+1470)/3\\y=-\frac{2}{3} x+490

The slope-intercept form is:

y=mx+b

Where m is the slope and b is the y-intercept.

Thus, the slope is -2/3 and the y-intercept is 490.

2)

So, since we already know the y-intercept is 490, plot a point at (0,490).

The slope is too small to use. Thus, multiply the fraction by 100. It is now (-200/300). This means that we move <em>down</em> 200 for every 300 (recall that the slope means rise over run. Thus, we move down 200 for every 300 to the right). Thus, another possible point would be (0+300,490-200) or (300,290). Plot that. Then, connect them.

3)

To write in in function notation, simply substitute the y-variable for the function notation. Our independent variable here is x so we'll use that.

y=-\frac{2}{3}x+490\\ f(x)=-\frac{2}{3}x+490

This means that for every x sandwiches made, there is f(x) wraps made for the total sum to be $1,470.

For example, if 105 sandwiches were made, then f(105)=-2/3(105)+490=420 wraps were made for the total profit to be $1,470.

4)

Please refer to the attached graph.

5)

First, since the total profit has now increased, the graph above and to the right of the old graph. This is because Sal needs to sell more sandwiches and wraps. Likewise, because of this, the x- and y-intercepts will also be different. Nevertheless, if converted into the slope-intercept equation, the slope will remain the same.

5 0
3 years ago
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\frac{\big{8}}{\big{24}} = \frac{\big{8:8}}{\big{24:8}} = \frac{\big{1}}{\big{3}}
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Svetradugi [14.3K]
The answer is -8/15 because you need to cancel out the variables first
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2 years ago
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What is X in 24x - 52 = -4 ( 1 + 6x )? <br> Please help.
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I believe x equals one
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The lunch choices last Friday were mushroom or pepperoni pizza. The cafeteria made 45 mushroom pizzas and 30 pepperoni pizzas. W
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Step-by-step explanation:

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7.5*6=45=60%

6 0
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