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chynahbug5676
02.08.2019 •
Mathematics
Write the equation for the line that is perpendicular to given line that passes through the given point -3x-6y=17; (6,3)
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Ответ:
Step-by-step explanation:
you have the line
clearing for y:
we have an equation of the form
the number that accompanies the x is the slope, and the number alone is the intercept with the y-axis
the slope m is:
i will call the slope of the new line![m_{2}](/tpl/images/0161/4491/e8aad.png)
so for two perpendiculares lines we must have:![m*m_{2}=-1](/tpl/images/0161/4491/43d09.png)
and from this we can find the new slope:
the new slope is 2,
so far we have that the new line is:
so now we have to find the intercept with the y axis (
) of the new line, since it passes trough (6,3) ---> x = 6 when y = 3
substituting these x and y values in
:
and finally, the equation of the new line that is perpendicular to the original line is:
Ответ:
54 People
Step-by-step explanation: First, you must read the whole question. the last part specifically says Ferris Wheel. 18% of the 300 people chose the Ferris wheel. Now that is understood, we must find how mush 18% of 300 is. to do that we must turn that percentage into a decimal value. .18. Then multiply 300 by .18 and you will get 54 people!