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padilas [110]
3 years ago
10

An agricultural scientist collected data to study the relationship between the amount of nitrogen added to a cornfield and the n

umber of
bushels of corn produced. This is the regression line of the data, where y is measured in bushels of corn and x is measured in pounds of
nitrogen.
y = 0.43x + 28.5
What is the meaning of the slope of the regression line?
O A. For every 0.43 pounds of nitrogen added to the field, the amount of corn yielded increases by 28.5 bushels.
OB. For every 1 pound of nitrogen added to the field, the amount of corn yielded increases by 0.43 bushels.
-
OC. For every 1 pound of nitrogen added to the field, the amount of corn yielded increases by 28.5 bushels.
OD. For every 28.5 pounds of nitrogen added to the field, the amount of corn yielded increases by 0.43 bushels.
Mathematics
1 answer:
In-s [12.5K]3 years ago
7 0

Answer:

D.

Step-by-step explanation:

just done the assignment

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3 years ago
The population of Jacksonville in 2018 is estimated to be 19,000 people with an annual rate of increase of 3.4%. Which equation
Umnica [9.8K]

Answer:

P=19,000(1.034)^{t}

Step-by-step explanation:

Let

P-------> the population of Jacksonville

t----> the number of years since 2018

we know that

The equation that models the population of Jacksonville in t years is

P=19,000(1+r)^{t}

we have

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substitute

P=19,000(1+0.034)^{t}

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laila [671]
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7 0
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Jane dropped Kinsley off at a train station and left at the same time that Kinsley's train departed. They are moving in the exac
Shkiper50 [21]

The after 29 minutes 38 seconds, Jane and Kinsley will be 47 miles apart if they are moving in the exact opposite directions.

<h3>What is distance?</h3>

A numerical representation of the distance between two items or locations called distance. A physical length or an approximation based on other considerations in physics or common usage can be referred to as distance.

Let's suppose the at time t they are 47 miles apart.

We know, distance = speed×time

(44+51)t = 47

t = 47/95

t = 0.494 hours

t = 29 minutes 38 seconds

Thus, the after 29 minutes 38 seconds, Jane and Kinsley will be 47 miles apart if they are moving in the exact opposite directions.

Learn more about the distance here:

brainly.com/question/26711747

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