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Mathematics 20 Online
OpenStudy (firejay5):

Show work & Help me! :D Medal will be rewarded! :D I need help on 60 & 61 on page 529. Help me get started on each problem please! :D Here's the link: http://www.mrlarkins.com/algebra2/docs/chap10.pdf

OpenStudy (firejay5):

The answer on #59 is \[y = 3.93(1.35)^x\]

OpenStudy (hyper):

For question 60, use the exponential function as been typed above and insert the x value as the number of decades since 1790. For example: For 1820: the number of decades since 1790 is equal to : (1820 -1790) / 10. From this answer which is 3, sub x = 3 and the y value is the population during that specific year (1820). The other years in the question , 1840 and 1860 work in the same way.

OpenStudy (firejay5):

would it be: \[y = 3.93(1.35)^{1820}\]

OpenStudy (firejay5):

Insert the 3 into where x is

OpenStudy (hyper):

No, the reason for this is that x is not the year such as 1820 but rather the number of decades since 1790.

OpenStudy (hyper):

Yes, insert the 3 due to the reason mentioned above where 3 is the number of decades from 1790 to 1820.

OpenStudy (firejay5):

I have a calculator what would I look for in the table

OpenStudy (hyper):

Table?

OpenStudy (firejay5):

do you know what I mean?

OpenStudy (hyper):

no?

OpenStudy (firejay5):

Start me on #61

OpenStudy (firejay5):

For 1820, it says 9.6693

OpenStudy (firejay5):

would it be okay to put the whole thing?

OpenStudy (hyper):

that answer is correct as it is expressed in millions. Sorry, what do you mean the whole things, the expression into the calculator?

OpenStudy (firejay5):

How would I compare my answers for #60 to the actual population? My Answers: 9.67 ----> 9.6693 <--- the 9 makes the 6 go up to a seven 17.62 ----> 17.622 <---- the 2 makes the 2 stay the same 32.12 ----> 32.117 <--- The 7 makes the 1 go up to a 2

OpenStudy (firejay5):

@Hyper

OpenStudy (hyper):

When the questions includes a compare, it mean how similar or dissimilar are the quantities. For the first answer, it is very similar will less than a 100,000 population difference. The same applies to the others and it just goes to show how accurate the exponential function is which was determined in #59 to the actual population as a calculator.

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