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Natasha_Volkova [10]
4 years ago
8

Consider the following linear regression prediction equation: Y = 12 + –1x. What is the direction of the relationship between th

ese two variables?
Mathematics
1 answer:
Fynjy0 [20]4 years ago
7 0

Answer:

Step-by-step explanation:

given that the following linear regression prediction equation: Y = 12 + –1x

Here slope = -1

Whenever regression slope is negative, we can say that the two variables x and y are negatively correlated.

In other words, when y increases x decreases and vice versa.

The relationship between the variables is negative or inverse.

The graph of this line with negative slope shows the line as moving from top left to bottom right

Here slope = -1

Hence for unit increase in x, there is one unit increase in y.

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Simply this expression. Which like terms can she combine 12-4x+3
prohojiy [21]

like terms include terms that you can add/sub/mult/div - certain terms..

for example 23 and 7 are like terms, 4x and 56x are like terms....


here-> 12 and 3 are like terms so you can put them together:

12 + 3 - 4x

then you can simplify it:

15 - 4x is your answer (most simplified)

4 0
3 years ago
Marshall evaluates the expression 15.3 - 7.9 and gets an answer of 7.4.
d1i1m1o1n [39]

Answer:

C

Step-by-step explanation:

Anything less than 5 rounds down while 5 and anything more rounds up. Therefore...

15.3 rounds to 15

7.9 rounds to 8

7.4 rounds to 7

So, his answer is reasonable.

8 0
2 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1-%28-5%29%7D%7B7-2%7D" id="TexFormula1" title="\frac{1-(-5)}{7-2}" alt="\frac{1-(-5
Eduardwww [97]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
Do reflections have the same orientation? In other words, if a shape is reflected, do both figures still have the same orientati
melisa1 [442]

Answer:

I think so.

Step-by-step explanation:

With letters, no, and some shapes would be reversed, like a triangle with lengths that are all different from eachother.

4 0
3 years ago
A system of equations is shown below:
padilas [110]

Answer:

y=3

x=2

Step-by-step explanation:

i have answered it....feel free to ask if u don't get it

8 0
4 years ago
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