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mihalych1998 [28]
4 years ago
5

What is the approximate circumference of a circle with a radius of 40 inches? Use π ≈ 3.14.

Mathematics
1 answer:
tatiyna4 years ago
3 0
The answer will be B.251.2
c=2πr
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True or False?In Exercise,determine whether the statement is true or false given that f(x) = In x.if it is false,explain why or
kompoz [17]

Answer:

The given statement is false.

Step-by-step explanation:

We are given the following in the question:

f(x) = \text{In } x

The given statement is

f(x - 2) = f(x) - f(2), x > 2

Putting the values on the right side of the given statement

f(x-2)\\=\text{ln }(x-2) \neq \text{ln }x - \text{ln }2

Thus, the given statement is false.

This can be explained with the help of an example:

For x = 3

f(x-2) = f(3-2) = f(1)\\=\text{ln }1 = 0\\f(x)-f(2)\\=\text{ln }3-\text{ln }2 \\=0.4054

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4 years ago
There are exactly three colors of socks in lamont's drawer: red, blue, and green. the current ratio of red to blue to green sock
Harrizon [31]
If the current ratio of red to blue to green socks is 2:3:7, then t<span>here are exactly 2x red socks, 3x blue socks and 7x green socks.
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1. If amount of red socks are increased by n new socks, then t<span>here are exactly 2x+n red socks, 3x blue socks and 7x green socks and (2x+n):3x:7x=8:9:21. This means that 2x+n=8y, 3x=9y, 7x=21y. You have that x=3y and 6y+n=8y, n=2y.
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2. If amount of blue socks are increased by n+2 new socks, then t<span>here are exactly 2x red socks, 3x+n+2 blue socks and 7x green socks and 2x:(3x+n+2):7x=2:4:7. This means that 2x=2t, 3x+n+2=4t, 7x=7t. Now you have that x=t and 3t+n+2=4t, n=t-2.
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</span><span>3. Solve x=3y, n=2y, x=t, n=t-2. You obtain that t=3y, t-2=2y. Then 3y-2=2y and y=2. Hence, x=6=t, n=6-2=4.
</span><span>
</span><span>Answer: n=4
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4 0
3 years ago
The manager of a bookstore ordered 480 copies of a book. The manager paid a total of $7,440 for the books. The books arrived at
alexdok [17]

<span>There are lots of given in this certain item and we are to note that other given are just there to distract us. In order to answer the question, what we really need from the given is that there are 480 copies of books and they arrived in 5 cartons. To determine the number of books in each carton, we just have to divide 480 by 5 which gives us an answer of 96. </span>

5 0
4 years ago
Read 2 more answers
Someone please help it’s I need your help
Airida [17]
Ok I’ll help you.where is the question that needs to be answered
7 0
3 years ago
A rope is 66 feet long. It is cut into two pieces such that one piece is half the length of the other. What is the length of the
dedylja [7]
So if one bit of the length, is half the size of the other bit then we can make the following equation, for x being the length of rope:

x + 2x = 66
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That is the length, of the smaller one (half the big one), so 2x = 44. Hence d) is your answer.

Hope I helped!
7 0
4 years ago
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