Calculus
ç1 0 x^2dx=1/3. Use this and the properties of integrals to evaluate ç1 0 10−2x^2dx
Calculus
A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How should the wire be cut so that the total area enclosed is a maximum= minimum= Find the length of the wire used
Chemistry
For a solution of 3.3 M H2CO3 (Ka = 4.4 × 10-7), calculate: (a) [H+] ____?______M (b) pH _____??______ (c) percent ionization ______?______%
Math
What is 1 5 of 20
Urgent math
If f(x, y, z)=sin(3x-yz), where x=e^(t-1), y=t^3, z=t-2, what's df/dt(1)? x(1)=1 y(1)=1 z(1)=-1 df/dt=(3cos(3x-yz))(e^(t-1))+(cos(3x-z))(3t^2)+(cos(3x-y))(1) I seriously need help on this and tell me the answer and show your work through steps. Thanks.
Algebra
A chain store manager hs been told by the main office that daily profit, P, as related to the number of clerks working that day, x, according to the functions P=-25x^2 + 300x. What number of clerks will maximize teh profit, and what is the maximum possible profit?
Calculus
Estimate ç 6 0 6−x^2 dx using 3 right rectangles
Calculus
Estimate ç 6 0 6−x^2 dx using 3 left rectangles.
physics
An aluminum wing on a passenger jet is 38 mlong when its temperature is 23°C.At what temperature would the wing be 2 cm (0.02 m) shorter?
Chemistry
A compound containing only carbon, hydrogen and oxygen is subjected to elemental analysis. Upon complete combustion, a .1804g sample of the compound produced .3051g of CO2 and .1249g of H2O. What is the empirical formula of the compound?
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