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deel
Questions (12)
please help me how to solve the integral sinx/x dx from 0 to infinite :
∫_0^∞▒〖sinx/x dx〗 thank you
0 answers
377 views
in order to grow a certain crop, it is recommended that each square foot of ground be treated with 10 units of phosphorous, 9
1 answer
677 views
please help me to solve this assignment :
consider a 2D mirror has a parabolic profile of y = (x-3)^2 + 5 facing toward y^+
0 answers
505 views
consider a 2D mirror has a parabolic profile of y = (x-3)^2 + 5 facing toward y^+ direction. Prove that any beam of light in y^-
0 answers
373 views
find the derivatives, dy/dx for the folowing function :
y=ln(cos(0.5)+(sin(x^2+3))^1/3)
1 answer
368 views
how to find the following limit :
lim lnx/lgx x->infinity
1 answer
744 views
find the derivatives, dy/dx, for the following functions :
y=(1+sin^2{2 exp (3x)})^5y please help me to solve this assignment.
4 answers
501 views
Please help me to find an equation for the tangent to the curve xsin2y=ycos2x at the point (phi/4, phi/2)
2 answers
2,887 views
A right circular cylinder of radius r and height h is inscribed in a right circular cone of radius R and height H, as shown on
0 answers
960 views
A tank contains 50 gallons of a solution composed of 90% water and 10% alcohol. A second solution containing 50% water and 50%
7 answers
6,915 views
The stiffness S of a rectangular beam is proportional to its width (w) times the cube of its depth/height (h). find the
5 answers
3,410 views
In a room of 20.000 ft^3 of air, 600 ft^3 of fresh air flows in per minute, and the mixture (made practically inform by
4 answers
3,818 views
Answers (9)
thank's steve :)
yes i'm sure..the assignment like that.
thanks for your help :)
y(t)=amount of alcohol in the tank at time t dy/dt =y’(t) = alcohol inflow rate – alcohol outflow rate = 4 - 5(y/50) =200 - 5y/50 = 5 (40-y)/50 dy/dt = 5 (40-y)/50 Separate variable and integrate : dy/(40-y) = 5/50dt -ln(40-y) = 0.1t + C ln(40-y)
oke thanks, i'ill try it
thanks for your help
yes i understand now, thanks for your help
thanks for your help
h^3=s/kw h^3=s/k(12-h) sorry, I'm still confused how to get the function of h. please help me to complete the assignment. thank you
