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3 years ago

What's the greatest common factor of 45,9,63

2 answers:

6 0

The greatest common factor of those numbers is the largest number that you can divide each of those numbers by. Looking at those three numbers, we can see that all three can be divided by 9. We also know that there is now way to divide those numbers evenly by a greater number than 9, because 9 is one of our options, and if we divided 9 by any number greater than 9, we would not get a whole number.

faltersainse [42]3 years ago

5 0

Answer:

GCF = 9

Step-by-step explanation:

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The number of Internet users in Mexico between 2004 and 2008 can be modeled as u(t) = 8.02(1.17^t) million users where t is the

Juliette [100K]

Question (a):

For this case we have the following function:

$u (t) = 8.02 (1.17 ^ t)$

We must find the rate of change in the number of Internet users.

For this, we use the following equation:

$AVR = \frac {u (t2) -u (t1)} {t2-t1}$

For $t2 = 4$ we have:

$u (4) = 8.02 (1.17 ^ 4)\\u (4) = 15.03$

For $t1 = 0$ we have:

$u (0) = 8.02 (1.17 ^ 0)\\u (0) = 8.02$

Substituting values we have:

$AVR = \frac {15.03-8.02} {4-0}\\AVR = 1.753$

Answer:

he rate of change in the number of Internet users in Mexico between 2004 and 2008 is:

$AVR = 1.753\ million\ users\ per\ year$

Question (b):

For the year 2004 we have:

$u (0) = 8.02 (1.17 ^ 0)\\u (0) = 8.02$

For the year 2008 we have:

$u (4) = 8.02 (1.17 ^ 4)\\u (4) = 15.03$

Therefore, the percentage change is:

$\% Change = (\frac {final\ value - initial\ value} {initial\ value}) * 100$

Substituting values:

$\% Change = (\frac {15.03 - 8.02} {8.02}) * 100\\\% Change = 87.406%$

Answer:

the percentage change in the number of Internet users in Mexico between 2004 and 2008 is:

$\% Change = 87.406\%$

Question (c):

For this case we have that the total population in Mexico for 2008, is given by:

109,955,400

The number of internet users for 2008 is:

15,030,000

Therefore, the percentage of the population that uses the internet in Mexico for 2008 is given by:

$\% = (\frac {Partial\ value} {Total\ value}) * 100$

Substituting values we have:

$\% = (\frac {15,030,000} {109,955,400}) * 100\\\% = 13.669\%$

Answer:

The Mexican population used the Internet in 2008 is:

$\% = 13.669\%$

3 0

3 years ago

A sales team estimates that the number of new phones will sell is a function of the price that it sets. It estimates that if it

diamong [38]

Answer:

Revenue = 3,776x-4x^2

Step-by-step explanation:

Revenue is given by = price of product * no. of units of product sold.

Given

price of 1 phone = $x

No. of phone sold = 3,776-4x

Revenue = price of 1 phone*No. of phone sold = x*(3,776-4x)

= 3,776x-4x^2

Thus, given statement is true.

0 0

3 years ago