25-10-2019
Mathematics

contestada

7. If a set of data points has a trend line of y = 4.2x - 3, what is the predicted value of x when
y = 5.4?
A
3
D
1.5

Respuesta :

ranikashyab066 ranikashyab066

25-10-2019

Answer:

The predicted value of x = 2

Step-by-step explanation:

y = 4.2x - 3 is the given equation.

Now, y = 5.4

Putting in the above equation, we get

5.4 = 4.2x - 3

or, 5.4 + 3 = 4.2x

or, 8.4 = 4.2 x

⇒ x = 8.4/4.2

⇒ x = 2

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