Maths
Thanks steve for a brilliant answer! Got one last one which is gobbledegook to me. Two functions f and g are defined by f:x(arrow)x^2 + 3 g:x(arrow)2x + 1 find: a) the function fg b)solve the equation f(x) = 12g^-1(x) Many Thanks!!!!
Maths (Linear and Quadratic Equations)
I need to solve a pair of equations where one is linear and the other is quadratic. 2x2 + 3xy + y2 = 0 3x + y = 2 last 2 in 2x2 is square root two, same after y2. help please!!!!!!!!!!!!!!!
chemistry
calculate the work performed if a balloon contracts from 12.32L to 422 ml due to an extermal pressure of 3.1 atm
physics
A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll without slipping. If both objects have the same mass and the same kinetic energy, what is the ratio of the linear speed of the cylinder to the linear speed of the spherical shell?
physics
A 200g bottle has a mass of 340g when filled with water and 344g when field with blood plasma. what is the density of plasma?
calculus
find the are of the surface of the part of the sphere (x^2)+(y^2)+(z^2)=4 that lies above the plane z=4
calculus
find the volume of the solid obtianed by rotating the region bounded by the given curves about the line x=6 x=y^2 , x=1
Calculus
Calculate the derivative.? d/dx ∫ from √x to x^2 tan9tdt = Use symbolic notation and fractions where needed.
math
A factory produces bicycles at a rate of 80+0.3t^2−1.1t bicycles per week (t in weeks). How many bicycles were produced from day 15 to 21?
chemistry
calculate the volume of 0.080 acetic acid needed to prepare 4.0 L of aceic acid solution with a PH of 4.00 L=
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