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deff fn [24]
2 years ago
12

Someone help me with rest please asap!!

Mathematics
1 answer:
tiny-mole [99]2 years ago
8 0

Answer:

3. Definition of Midpoint

4. VAT, Vertical Angles Theorem

5. ASA, Angle-Side-Angle Theorem

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For simple linear regression, y = β0 + β1x + u, which one of the following statements is true?
RSB [31]

Answer:

Option a) u is called the "error term". It is the error we make in prediction

Option d) x is called the independent variable because x is independent from y and u.

Step-by-step explanation:

We are given the following information in the question:

y = \beta_0 + \beta_1x + u

where y is the dependent variable, x is the independent variable.

\beta_0: It is the value of y when x is zero, that is y-intercept.

\beta_1: It is the coefficient of x in predicting the dependent variable y.

u is the error term.

  • An error term represents the margin of error.
  • It refers to the sum of the deviations within the regression line, that is the difference between the predicted value and the observed value of y.

Thus, Option A) u is the error term and Option D)  x is called the independent variable because x is independent from y and u are the correct answer.

6 0
3 years ago
-3(x+2)=12. solve for x
bagirrra123 [75]

Steps to solve:

-3(x + 2) = 12

~Distributive Property

(-3 * x) + (-3 * 2) = 12

~Simplify

-3x - 6 = 12

~Add 6 to both sides

-3x - 6 + 6 = 12 + 6

~Simplify

-3x = 18

~Divide -3 to both sides

-3x/-3 = 18/-3

~Simplify

x = -6

Best of Luck!

8 0
3 years ago
Read 2 more answers
A pair of equations is shown below:
Nina [5.8K]
Sorry I don't what the answer would be for A. But B would be (3,13)
5 0
3 years ago
I put the pic pls help
musickatia [10]
I think 400centimetera
4 0
3 years ago
Read 2 more answers
A three-digit number has two properties. The tens-digit and the ones-digit add up to 5. If the number is written with the digits
natali 33 [55]

Answer:

The three-digit numbers with these properties are 850 or 941.

Step-by-step explanation:

Let x be the hundreds digit, y the tens digit, and z the ones digit. The first condition says that y+z=5. The second condition is:

the original number is (100x+10y+z) while the reversed number is (100z+10y+x) so

(100x+10y+z)-(100z+10y+x)=792\\99x-99z=792

Now we have the system

y+z=5\\ 99x-99z=792

You can divide by 99 to simplify the second equation.

y+z=5\\ x-z=8

Note that x, y, z must be digits between 0 and 9 and x\neq 0. If z>1, then the second equation forces x>9, for example z=2 so x-2=8, x=10 which is impossible. If z=0, you get x=8, y=5 and the number is 850. If z=1, you get x=9,y=4 and the number is 941.

6 0
3 years ago
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