In the lab, charlie has to solution that contains alcohol and is mixing them with each other. solution is 50% alcohol and solution be his temper set alcohol. he is 800 ml of solution and how many milliliters of solution because he used, it’s resulting mixture is a 20% alcohol solution?

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

X2 + y 2 = 36 x + y = 6 solve the system of equations.