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Setler [38]
3 years ago
15

Why do we estimate a line of best fit for scatter plot

Mathematics
1 answer:
rewona [7]3 years ago
7 0
We estimate it like that because it makes more sense
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0.38 rounded to the nearest tenth
mr Goodwill [35]
0.40 IS YOUR ANSWER:)
4 0
4 years ago
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3.21x+4=10.3041+2x solve for x
s2008m [1.1K]

Answer:

The correct answer would be 9! hope this helped you

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3 years ago
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Find the value of x and y
Natalija [7]

Hello and Good Morning/Afternoon:

<u>Let's take this problem step-by-step</u>:

<u>What does the information want:</u>

  • value of x
  • value of y

<u>Let's gather some information</u>:

  • ΔA'BC' and ΔABC are similar triangles

             ⇒ Angle B is shared by both triangles

             ⇒ Angle A' and A are the same, as they are both on parallel

                   lines, A'C' and AC, and both angles are formed with the

                   same line AB

                 ⇒ by the <em>Angle-Angle Theorem*</em>, they are similar triangles

<u>If they are similar triangles</u>:

   ⇒ their side lengths are proportional to each other

  • let's find x's value

          ⇒ let's set up a proportion

                 \frac{A'B}{AB} =\frac{A'C'}{AC} \\\frac{30}{x+30} =\frac{14}{22} \\14(x+30) = 30*22\\14x + 420 = 660\\14x = 240\\x = 17.143

  • let's find y's value

          ⇒ let's set up a proportion

                 \frac{BC'}{BC} =\frac{A'C'}{AC} \\\frac{y}{y+15} =\frac{14}{22} \\22y=14(y+15)\\22y=14y+210\\8y=210\\y=26.25

<u>Answer:</u>

  • <u>x= 17.143</u>
  • <u>y = 26.25</u>

Hope that helps!

#LearnwithBrainly

 

5 0
2 years ago
Please help me with #4 I need to solve this equation :/ it's confusing
Vera_Pavlovna [14]
First u gotta estimate what the answer u think it is. Then u turn the 2 into an 8 by multiplying both the numerator (which is 1) and denominator (which is 2) by 4 to make it 8. U then get the answer 5 4/8 and u then subtract the 5 4/8 with the 5/8 to get the answer. This was only for the first one tho!!!
3 0
3 years ago
Molly's mouse is 16 centimeters long. Joy mouse is 1 centimeter longer than Molly's .
frosja888 [35]

Answer:

17 centimetres

Step-by-step explanation:

16 + 1 = 17

Molly's mouse = 16 cm

Joy's mouse = 1 cm longer than Molly's mouse

Joy's mouse = 16 + 1 = 17 cm

6 0
3 years ago
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