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Flura [38]
3 years ago
7

A forest covers 38,000 acres. A survey finds that 0.4​% of the forest is​ old-growth trees. How many acres of​ old-growth trees

are​ there?
Mathematics
1 answer:
TEA [102]3 years ago
7 0
276 acres of old - growth trees
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HELP! After finding area explain the reasoning you used to find the area and I’ll give brainliest!
UkoKoshka [18]

Answer:

The answer is 180 yds squared.

Step-by-step explanation:

Segment the areas.  One area has the measurements 5 and 6. Then the other one has measurements 15 and 10. This means you get 150 + 30. The answer is 180 yds squared.

4 0
2 years ago
A rain gutter is made from sheets of aluminum that are 22 inches wide by turning up the edges to form right angles. Determine th
Varvara68 [4.7K]
So hmm notice the picture below

thus, the perimeter of the gutter is just w + w + l, or 2w +l

thus \bf 22=2w+l\implies 22-2w=l
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\textit{area of a rectangle}\\\\
A=lw\qquad 22-2w=l\implies A(w)=(22-2w)w
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A(w)=22w-2w^2

take the derivative of A(w), zero it out, check any critical points in the interval of (0, 22), for a maxima

recall, the aluminum sheet is just 22inches long, thus, whatever the "depth" or "w" is, has to be more than 0, and less than 22

4 0
3 years ago
10. Higher Order Thinking One day,
hram777 [196]

126,945 ≈ 100,000 (to the nearest hundred thousand)

126,945 ≈ 130,000 (to the nearest ten thousand)

126,945 ≈ 127,000 (to the nearest thousand)

The amount that is closest to the actual attendance is 127,000

<h3>Rounding numbers</h3>

From the question, we are to round the given number

From the given information,

Total attendance at the state fair was 126,945

We are to round 126,845 to the nearest hundred thousand, nearest ten thousand and nearest thousand

5 is the units digit

4 is the tens digit

9 is the hundreds digit

6 is the thousands digit

2 is the ten thousands digit

1 is the hundred thousands digit

To the nearest hundred thousand

Since to is less than 5, we will round the number down

Thus,

126,945 ≈ 100,000

To the nearest ten thousand

Since 6 is greater than 5, we will round up

126,945 ≈ 130,000

To the nearest thousand

Since 9 is greater than 5, we will round up

126,945 ≈ 127,000

Hence, the amount that is closest to the actual attendance is 127,000

Learn more on Rounding numbers here: brainly.com/question/130699

#SPJ1

7 0
1 year ago
The polynomial (x-2) is factor of the polynomial 5x^2-6x+4
kobusy [5.1K]

Let's simplify step-by-step.

5x^2−6x+4

There are no like terms.

Answer:

=5x^2−6x+4

5 0
3 years ago
Read 2 more answers
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skelet666 [1.2K]

Answer:

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Step-by-step explanation:

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