us history
In many ways after the divisiveness and devastation of the Civil War, the United States searched for order economically, politically, geographically, socially and racially. Select one of these areas, or suggest another, and make a case for the reasons why it was the most vital...
algebra
steps to (.15x)+(-.3x)=
Math
A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 12 in by 12 in by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
Math
Find an expression for the function. Top half of the circle: x^2+(y-2)^2=4.
Math
A cylindrical can with both a top and bottom has the same surface area as a cube with edge 50mm. The height of the can if 6cm. Find the radius of the can to the nearest thousandth.
Chemistry
Rank the following from most polar to least polar (aspirin, caffeine, ibuprofen, acetaminophen): I am getting caffeine>acetaminophen>aspirin>ibuprofen. Is that correct?
Math
Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. cos x = x. How do I begin this problem? According to the theorem, a=0, b=1 and N=x?
Math
Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. x^4+x-3=0, interval (1,2). According the to theorem, I found that a is 1, b is 2 and N is 0. f(1)= 2 and f(2) = 17. Is the root (1.16,0)?
Math
Use a graph to find a number delta such that if abs(x-pi/4) < delta then abs(tanx-1) < 0.2. I understand that the epsilon is 0.2. But what step do I take next? How do I solve the problem?
Math
Prove that lim (x->0) x^4 cos 2/x = 0.
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