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2 years ago

13

A line of best fit can be established with which of the following? Select all that apply.

1 answer:

garri49 [273]2 years ago

6 0

Line of best fit also known as a linear regression or a trend line, the line of best fit is common tool for showing how two variables are related.This can be established by:
Positive correlation
all scatter plots
negative correlation
Line of best fit is used in order to demonstrate any observed trends in order to predict future outcomes regarding the data point variable in use.

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Joe worked 12 hours and packed 32 cartons. Bob worked 25 hours and packed 64 cartons. Did Joe and Bobwork at the same rate?O YES

Bas_tet [7]

To be able to compare the rates, we will write them in fraction form.

The fraction that represents Joe's rate is:

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and the fraction that represents Bob's rate is:

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Simplifying the above fractions, we get:

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Since:

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4 0

10 months ago

What number should be added to the expression x2 14x to change it into a perfect square trinomial?.

makkiz [27]

Answer:

49

Step-by-step explanation:

When you look at the square of a binomial, you see ...

(x +a)^2 = x^2 +(2a)x +a^2

The constant value (a^2) is <em>the square of half the x-coefficient</em>.

(14/2)^2 = 49 . . . . the value to be added.

Adding 49 gives ...

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1 year ago