3x over 2x-6 plus 9 over 6-2x
2 answers:
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Answer:
the total amount of water supplier per hour to the region within a circle of radius R=110 ( that is from distance r, 0<r<110)
Step-by-step explanation:
if f(r) describes the water supplied at a distance r , the total amount supplied inside a region that goes from 0 until the circle of radius R, is the sum of all f(r) values from 0 until R, that is the integral value over these limits.
The formula deduction can be found in the attached picture
There is an "r" that multiplies e^-r as result of changing from rectangular coordinates to polar ones.(dx*dy --> r*dr*da)
Write in y=ax²+bx+c form
solve for y
given
solve for y
easy
minus 4 both sides
times -1/2 to both sides
2=10/5
y=ax²+bx+c
a=0
b=
c=
solve for y
given
solve for y
easy
minus 4 both sides
times -1/2 to both sides
2=10/5
y=ax²+bx+c
a=0
b=
c=