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Artist 52 [7]
4 years ago
5

A residual plot shows how far away each point in the scatter plot is from the least squares regression line.

Mathematics
1 answer:
MariettaO [177]4 years ago
6 0

Answer:

Scatter plot one is not a good fit so answer is first picture to the left  in a top row( see the pattern). Second plot is a good fit so the answer is the last right picture in a top row( points around x axis).

Step-by-step explanation:

A random scatter of points in the residual plot indicates that the linear function is a good fit for the given data. A non random residual plot  indicates that the chosen function is not a good fit.

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The triangles in the figure are similar: ΔABC ∼ ΔDEF. Which of the following statements must be true? options: A) AB/DE=BC/EF=CA
VikaD [51]

Answer:

Answer A

Step-by-step explanation:

We see that ABC is similar to DEF. Pay attention to the order of these letters. The order that they read (left-to-right) is the order that they are similar. For example, AB is similar to DE. Despite being different triangles, they are both the <em>first two </em>letters in the triangle. So, knowing this, we can conclude that answer choice A is correct.

7 0
4 years ago
Read 2 more answers
A chef planning for a large banquet thinks that 2 out of every 5 dinner guests will order his soup appetizer.He expects 800 gues
Goryan [66]

320 cups of soup

Step-by-step explanation:

2:5 is a part to whole ratio.

2/5=x/800

so we cross multiply to get:

5x=1600

x=320

320 cups of soup

Hope this is helpful

6 0
3 years ago
 HELP <br> Dieing from math in the picture. I think I did it wrong. Please help. :(
nikdorinn [45]
X = 352.3 [your work is correct]

then the perimeter would be 352.3 + 352.3 + 280 + 280 = 1,264.55
4 0
2 years ago
What is the measure of <br> A. Cannot be determined <br> B. 74<br> C. 16<br> D. 32
Levart [38]
The answer would be D. 32

Why? The triangle in the problem is an isosceles triangle. That means the two legs of the triangle are equal and the angle opposite to the equal legs are also equal. 

Therefore, angle C is also 74°. 

The sum of the interior angles of a triangle is equal to 180°.
Thus, 
      180° = ∡A + ∡B + ∡C
      180° = 74° + ∡B + 74°
      180° = 148° + ∡B
        ∡B = 180° - 148°
        ∡B = 32°
3 0
3 years ago
How do you write 9.14 X 10^-5 in standard form?
soldi70 [24.7K]
.0000914

Since it is negative you go behind the .

so you would go 5 spaces behind the point

8 0
3 years ago
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