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alexandr402 [8]
2 years ago
15

The number of entertainment websites in 1995 was 54. By 2004 there were 793 entertainment websites. Approximately what was the r

ate of change for the number of websites for this period of time?
A. 82 websites per year
B. 739 websites per year
C. 12.18 websites per year
D. 424 websites per year

Mathematics
1 answer:
iren [92.7K]2 years ago
6 0

Answer:

Step-by-step explanation:

2004 - 1995 = 9 years

793 - 54 = 739 new sites

739 / 9 = 82.1111111111

approx  82 websites per year change..  ( delta is change )

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How do you know if a net will fold into a pyramid?
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The sum of two numbers is odd. Can the quotient of the two numbers be an odd number?
Natalka [10]

Answer: No.

Step-by-step explanation:

I guess that here we have the statement:

If the sum of two numbers is odd----> can their quotient be an odd number?

first, for n an integer number, we have that:

an odd number can be written as 2n + 1

an even number can be written as 2n.

The sum of two numbers is only odd if one of them is odd and the other even.

Then we have a number that is 2n and other that is 2k + 1, for n and k integer numbers.

Now, let's see if the quotient can also be an odd number.

One way to think this is:

There is an odd number such that when we multiply it by another odd number, the result is an even number?

no, and i can prove it as:

let 2k + 1 be an odd number, and 2j + 1 other.

the product is:

(2k + 1)*(2j + 1) = 2*(2*k*j + k + j) + 1

and as k and j are integers, also does 2*k*j + k + j, so:

2*(2*k*j + k + j) + 1 is an odd number.

This says that the product of two odd numbers is always odd, then we never can have that the quotient between an even number and an odd number is odd.

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Answer:

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Step-by-step explanation:

Ben earns $13 per hour of regular work

<u>He gets for 40 hours of regular work:</u>

  • $13*40 = $520

Answer is $520

7 0
3 years ago
Read 2 more answers
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