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mixer [17]
3 years ago
9

Plzzzz help plzzzzzzz

Mathematics
2 answers:
zhenek [66]3 years ago
8 0

Answer: im not so sure but i think its 55

Step-by-step explanation:

AleksandrR [38]3 years ago
8 0

Answer:

z=125º

Step-by-step explanation:

All the angles must add up to 360º. Knowing that one of the angles is 55 lets us know that the one directly across from it is also 55. Next, you add 55+55 and get 110. After that you subtract 110 from 360 ehich gives you 250, divide that by two becasue there are to angles left, and now you have your answer of 125º.

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Answer:

G:10

Step-by-step explanation:

If I am wrong I'm sorry.

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if the observed value is 69.4 and the predicted value is 70.4, what is the residual value? round your answer to the nearest hund
Ipatiy [6.2K]

The residual value will be equal to -1.

<h3>What is residual value?</h3>

A residual is a difference between the observed y-value of a data point and the predicted y-value on a regression line for the x-coordinate of the data point. A residual is positive when the point is above the line, negative when it is below the line, and zero when the observed y-value equals the predicted y-value.

Take, for instance, we have the following data entry:

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brainly.com/question/7467603

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2 years ago
Which points are a distance of 5 units from (2, 3) if d = square root (x2 - x1)2 + (y2 - y1)?
qwelly [4]

Answer:

Step-by-step explanation:

hello :

note :

note : distance between A(X1,Y1) an B (X2,Y2) is :  

AB= √((X2 - X1)² + (Y2 - Y1)²)    (given point  B(2 , 3)

in this exercice : X1 = 2     X2 = ?      Y1 = 3      Y2 = ?   d=AB=5

d² = (X2 - 2)² + (Y2 - 3)² =25

the points are a distance of 5 units from B (2, 3) if d = 5 :

the points are located on a circle with center B and radius 5

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3 years ago
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Romashka [77]

Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
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Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 1 - x

g(x) = x² + 2x - 5

(f + g)(x) is f(x) + g(x)

<u>Step 2: Solve</u>

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