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Kobotan [32]
3 years ago
7

A forest covers 31,000 acres. A survey finds that 0.2 ​% of the forest is​ old-growth trees. How many acres of​ old-growth trees

are​ there?
Mathematics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

There are 62 acres of old growth trees

Step-by-step explanation:

You would need to find 0.2% of 31,000

Lets say 0.2% of 31,000 is Y

Y = 0.2/100

Y = 0.2 ÷ 100 x 31,000

Y= 62

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Sam built a circular fenced-in section for some of his animals .the section has a circumference of 55 meters .what is the approx
otez555 [7]

Answer:

  • 243 m²

Step-by-step explanation:

<u>Area of circle:</u>

  • A = πr²

<u>Circumference of circle:</u>

  • C = 2πr

<u>Given</u>

  • C = 55 m

<u>Find r using the second formula:</u>

  • 2πr = 55
  • 2*3.14r = 55
  • r = 55/6.28
  • r = 8.8 (rounded)

<u>Find area using the first formula:</u>

  • A = 3.14*8.8²
  • A = 243 m² (rounded)

7 0
3 years ago
Ken wants to install a row of ceramic tiles on a wall that is 21 3/8 inches wide. Each tile is 4 1/2 inches wide. What fraction
pentagon [3]

Answer: 1/4

Step-by-step explanation:

He needs 4 3/4 whole tiles, you could round it to 5 whole tiles. He needed 4 3/4 whole tiles. To completely fill in all the spaces on the wall evenly, it needs to be 5 even, while, tiles. To fill in the empty space, you must subtract 5 and 4 3/4, which explains why Part A says “How many whole tiles does he need” and the answer “4 3/4” So, Subtraction: 5- 4 3/4 = 1/4!

Your welcome :)

6 0
2 years ago
3x + 7 - x = 21 x =
frosja888 [35]

Answer:

x=7/19

Step-by-step explanation:

R u looking for the value of x???

If so happy I could help if not elaborate in the comments

5 0
3 years ago
Peppermint patty is very discourged about her chances on a 10-item true-false quiz. if she randomly answers each question, what
Alexeev081 [22]
Who names their child peppermint patty, I mean the candy is good but you gotta be pretty devoted to it to do that.

6 0
3 years ago
Read 2 more answers
At the library you find nine books on a certain topic the librarian tells you that 55% of the books on this topic have been sign
sleet_krkn [62]
9 x 0.55 = 4.95, which can be rounded to the ones place.

5 books remain.
4 0
3 years ago
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