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Sindrei [870]
3 years ago
11

What is the sum of 4 and its additive inverse

Mathematics
1 answer:
Ad libitum [116K]3 years ago
4 0

Answer:

0

Step-by-step explanation:

additive inverse means any number to make the sum zero. in this case 4 +(-4)=0

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Terms can be defined as letters, numbers within an expression.

3) Hence, In this expression, we have then:

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3 years ago
Eight pairs of data yield r = 0.708 and the regression equation = 55.8 2.79x. also, = 71.125. what is the best predicted value o
svet-max [94.6K]

The best predicted value of y for x = 9.9 is y = 83.42.

<h3>What is linear equation if two variables?</h3>

Linear equations with two variables are equations with one, zero, or infinitely numerous solutions where every of a two variables has the highest exponential order of 1.

Some key features regarding linear equation if two variables are-

  • The two-variable linear equation has the conventional form ax + by + c = 0, where x and y are the variables.
  • These solutions might also be expressed in pairs, such as (x, y).
  • A graphical representation of a linear equation system in two variables involves two straight lines that can be intersecting, parallel, or coincident.

Now, according to the question;

The given equation is;

y = 55.8 + 2.79x

Calculate the value of y by substituting the value of  x = 9.9.

y = 55.8 + 2.79×9.9

y = 83.42

Therefore, the best predicted value of y for x = 9.9 is 83.42.

To know more about linear equation if two variables, here

brainly.com/question/24085666

#SPJ4

The correct question is-

Eight pairs of data yield r = 0.708 and the regression equation y = 55.8 + 2.79x. Also, the mean y-value is 71.125. What is the best predicted value of y for x = 9.9?

5 0
1 year ago
Can someone help me?
kirza4 [7]

Answer:

Second one: (1,2) (2,4) (3,6)

Step-by-step explanation:

y = 2x

2 = 1(2)

4 = 2(2)

6 = 2(3)

7 0
3 years ago
Read 2 more answers
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