As it is right angled, thus it will be equal to 90.
= 2x + 5 + x + 25 = 90
= 3x + 30 = 90
= 3x = 60
= x = 60/3
= x = 20
The tetrahedron passes through the intercepts (5, 0, 0), (0, 2, 0), and (0, 0, 10). Parameterize the surface (call it 
) by
with 
and 
. Take the normal vector to to be
Then the flux of 
across is
Answer:
it's c i did this a week ago
Well she has to spend £5 on membership and so she has £24.75 left and one movie is £1.25 so you do 24.75 / 1.25 to get 19.8 so she can view 19 movies this month. Hope this helps :)
