4. 6x³ - 4x² +7 or 7x³ - 6x² + 4 for x = 3

Mathematics

1 answer:

Gemiola [76]2 years ago

5 0

Answer:

This is your answer☝️☝️

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Step-by-step explanation:

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4 years ago

Mr. Sánchez owns a square field. The side lengths are 0.9 kilometers. There are 1,980 prairie dog burrows in the fields. What is

Simora [160]

The first thing we are going to do is find the area of the field. To do this we are going to use the area of a square formula: $A=s^2$
Were
$A$ is the area in square kilometers
$s$ is one of the sides of the square
We know for our problem that the side lengths of the field are 0.9 kilometers, so $s=0.9$ . Lets replace that value in our formula to find $A$ :
$A=(0.9)^2$
$A=0.81$

Now, to find the population density of the filed, we are going to use the population density formula: $P_{d}= \frac{I}{A}$
where
$P_{d}$ is the population density in <span>in burrows per square kilometer
</span> $I$ is the number of burrows
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We know that $I=1980$ and $A=0.81$ , so lets replace those values in our formula:
$P_{d}= \frac{1980}{0.81}$
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We can conclude that the <span>density of prairie dog burrows is approximately 2444 burrws per square kilometer.</span>

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Answer:

Step-by-step explanation:

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