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Mathematics 8 Online
OpenStudy (icalibear):

Find the value of x. The diagram is not to scale.

OpenStudy (icalibear):

|dw:1355541109120:dw|

OpenStudy (anonymous):

Since, RS=ST m<SRT =m<STR

OpenStudy (anonymous):

Does it help?

OpenStudy (icalibear):

yeah kind of

OpenStudy (icalibear):

How would I set up the equation to solve this? Is it 7x -54 = 8x?

OpenStudy (anonymous):

m<STU = m<SRT + m<RST 8x = m<STR+7x-54 8x = 180 - m<STU + 7x-54 8x=180 -8x +7x-54

OpenStudy (anonymous):

Solve for x

OpenStudy (icalibear):

I dont know how but I got 8.6

OpenStudy (anonymous):

can somebody pleaseee help me quickly? The population (in millions) of a certain country can be approximated by the function: P(x)=50*1.02^x where x is the number of years after 2000. Which of the following calculations will tell in what year the population can be expected to reach 100 million? a. ln(2/1.02)+2000 b. ln(2)/ln(1.02)+2000 c. ln(2/1.02) d. ln(2)/ln(1.02)

OpenStudy (icalibear):

after my question is answered..

OpenStudy (anonymous):

thank you! i would help u but i dont know :(

OpenStudy (anonymous):

m<STU = m<SRT + m<RST 8x = m<STR+7x-54 8x = 180 - m<STU + 7x-54 8x=180 -8x +7x-54 8x+8x-7x=180-54 9x=126 x=14

OpenStudy (icalibear):

thanks!!

OpenStudy (anonymous):

welcome

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