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hammer [34]
3 years ago
13

What is Scatter Plots and Line of Best Fit in a summery

Mathematics
1 answer:
garri49 [273]3 years ago
8 0

Answer:

Scatter plots are plots of data (different points on a plot). The line of best fit is the line that goes through the middle of the data so there are equal number of points on both sides of the line.

Step-by-step explanation:

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Can some one help me
Yuliya22 [10]

Answer:

children is 48 and adults is 8.25 and children is 90

Step-by-step explanation:

3 0
3 years ago
Which system of equations is graphed on this coordinate plane​
Allisa [31]

Answer:

y=(3x/2)+3 and y=(-1x/2)-1

Step-by-step explanation:

So what I did was use rise/run to find the slope of the equation. Let's focus on the line going from the bottom left to the top right corner. For this line, I would start on (-2,0) which is one of the points plotted on your number line and count how much it is away from (0,3). You should get 3 units. After this, count how much it is to the right which is 2 units. Now, use rise/run to find the slope. 3/2, therefore the slope of the line is 3x/2.  Now all we need is the y-int. For the Y int, all we have to do is see where the line touches the Y-axis which in this case is at (0,3). So your y-int would be 3. Now we can use this information to craft an equation in the form y=mx+b, m being the slope and b  being the y int. We should get y=(3x/2)+3. Now repeat this with the other line to find the equation, but be careful!!! It has a negative slope.

7 0
3 years ago
Find the percent of change when 88 is decreased to 73.
gtnhenbr [62]
Its 
-17.0455
v2-v1
----------
v1
=
73-88
--------- x100
88    
=
-15
 -----     x100
88 
answer:
17.0455

8 0
2 years ago
A solid lies between planes perpendicular to the​ x-axis at x = 0 and x = 17. The​ cross-sections perpendicular to the axis on t
arlik [135]

Answer:

Therefore, we get that the volume of the solid is V=8/3  · 17^{3/2}.

Step-by-step explanation:

From exercise we have that

0 ≤ x ≤ 17

 y = -2 √x  and  y = 2 √x.

We calculate the volume of the solid, we get:

\int\limits^17_0 \int\limits^{2 √x}_{-2 √x} {1} \, dy \, dx=

=\int\limits^17_0 [y]\limits^{2 √x}_{-2 √x} \, dx

=\int\limits^17_0 {(2 √x+2 √x)} \, dx

=4\int\limits^17_0 {√x} \, dx

=4 · 2/3 [x]\limits^17_0

=8/3  · 17^{3/2}

Therefore, we get that the volume of the solid is V=8/3  · 17^{3/2}.

7 0
3 years ago
Which set of values could be the side lengths of a 30-60-90 triangle?
yulyashka [42]
C). 6*6√2*12 is your answer.... i think 
7 0
2 years ago
Read 2 more answers
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