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Mamont248 [21]
3 years ago
10

Katrina buys a ​40-ft roll of fencing to make a rectangular play area for her dogs. Use ​2(​l+w)=40 to write a function for the​

length, given the width. Graph the function. What is a reasonable domain for the​ situation? Explain.
Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0
Why you write hi this needs to anser!!
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A certain forest covers an area of 2900 km. Suppose that each year this area decreases by 8.5%. What will the area be after 8 ye
Ann [662]

Answer:

1425 square kilometer.

Step-by-step explanation:

2900 - 8.5% = 2653.5

2653.5 - 8.5% = 2427.9525

2427.9525 - 8.5% = 2221.5765375

2221.5765375 - 8.5% = 2032.74253181

2032.74253181 - 8.5% = 1859.95941661

1859.95941661 - 8.5% = 1701.8628662

1701.8628662 - 8.5% = 1557.20452257

1557.20452257 - 8.5% =1 424.84213815 ≈ 1425

3 0
3 years ago
Read 2 more answers
The area of a right triangle is 16 square
statuscvo [17]

Answer:

Well if it volume it would be 16 × 2 which is 32 then that would 32 × 16=512

but you wrote area so it would be 16

6 0
3 years ago
A farmer feeds a cow 9300 milligrams of an antibiotic. Every hour, 50% of the drug breaks down in the cow's body. How much will
hichkok12 [17]

9514 1404 393

Answer:

  about 145.3 mg

Step-by-step explanation:

If half breaks down in the hour, then half remains. That is, each hour the amount remaining is multiplied by 1/2. The remainder after 6 hours is ...

  (9300 mg)(1/2)^6 = 145.3125 gm

About 145.3 mg will be left after 6 hours.

6 0
3 years ago
Need help with this question please!!
Luba_88 [7]

Answer:

11.1

Step-by-step explanation:

Use the Pythagorean theorem to find the unknown side.

a^{2} +b^{2} =c^{2} \\AB^{2} +BC^{2} =AC^{2} \\AB^{2} +19^{2} =22^{2} \\\\AB^{2}=22^{2}-19^{2\\AB=\sqrt{123} \\AB=11.1

8 0
3 years ago
Since it is a ratio of two integers,<br> 6/4 is irrational
lukranit [14]

Answer:

is this a question? also, 6/4 is not irrational, it is rational, and an irrational number is a number that cannot be expressed as a ratio of two integers, aka a simple fraction

4 0
3 years ago
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