I', really stuck on this one HW question: I have to show how dC/dt = (D * (d^2C/dx^2)) + P at steady state (so when cD/dt =0) equals: (d^2C/dz^2) + (Pa^2/D...

I', really stuck on this one HW question: I have to show how dC/dt = (D * (d^2C/dx^2)) + P at steady state (so when cD/dt =0) equals: (d^2C/dz^2) + (Pa^2/D...

A 20% solution of NaCl in H2O is diluted, by adding distilled water, to a final concentration of 6% NaCl. A 20% solution of NaCl in H2O is diluted, by adding distilled water, to a final concentration...

A 24% w/v stock solution of NaCl is diluted with water according to a 1:10 dilution ratio, then again by a 5:6 dilution ratio. a) Determine the overall dilution ratio (in lowest terms) performed:...

1,1,1,1,1 is a possibility since it is less than 15. list the possible outcomes 1,2,1,1,1 is a different outcome than 1,1,2,1,1. ORDER DOES MATTER

I need to know how to write the equation of a line parallel to the given line and passing through the given point: y = -3x – 6; (-3,2).

What percentage of adult males in America are over 6 feet 1 inches tall? Round your answer as percentages to the nearest whole number.

A math tutor charges $2020 per hour. Let c be the total charge (in dollars) for t hours of tutoring. Are t and c linearly related? If so, find the slope and describe what it means in this situation...

compare it with the degree measure and include the origin, applications, benefits or drawbacks.

A flower bed is in the shape of a triangle with one side twice the length of the shortest side and the third side is 25 feet more than the length of the shortest side. Find the dimensions if the perimeter...

A=(1 1 2 2 2 1 2 1 3 2 1 2 1 4 3 1 3 0 4 2) Determine the pivot entries of the matrix and use this to decide...

1. How many different positive integers can be made from the digits {2, 4, 6, 8} if repetitions are allowed? 2. What is the telescoping form of f(x) = x4 + 7x3 - x2 + 2x +...

Melanie invests a total of $7,500 in two accounts. The first account earned a rate of return of 14% (after a year). However, the second account suffered a 8% loss in the same time period. At the end...

Sequence A counts down from 46 by 7: 46, 39, 32 and so on. Sequence B counts down from one number (not 46) by another number (not 7). In sequence B, the second number is 35, the sixth number is 23,...

y ___ 7y^2+17y+6

(2x^2-x-19)/x(x+1)(x-1)

x-y=3 x=2y+9

Two angles are supplementary. One angle is 15 degrees less than twice the other angle.

Mitch throws a baseball straight up in the air from a cliff that's 48 ft high. The initial velocity is 48 ft per second. The height (in feet)of the object after t second is given by h(t) = -16t^2...

It also asks If it would work what would be the dimensions of the paper that wrapped around/ and also do the three figures have the same surface area

The following drug order is given: Synthroid 0.3 mg p.o. b.i.d. to regulate thyroid function. The pills on hand are 100 mcg pre-scored Synthroid tablets, which can be split in half as needed. ii)...