A radioactive kind of nitrogen has a half-life of 10 minutes. If you start with 64 grams of the substance, how much will be left after 20 minutes

Which of the following are continuous functions of time? The quantity of gas in the tank of a car on a journey between New York and Boston (continuous or discontinuous) The number of students enrolled in a class during a semester (continuous or

What is four plus three and minus two

What is 45% of 649926391

Whats the difference in temperature off 7c and - 8c

Find the values of x that makes (x^2+3x-54) / (x^2-16) undefined. - 6

What is the center of the circle represented by this equation? (x - 7) 2 + (y + 4) 2 = 9?

The graph shows the increase in temperature over time in an oven

Katie and Mina both commute to work. Katie's commute on the train takes 10 minutes more than one half as many minutes as Mina's commute by car. It takes Katie 30 minutes to get to work.

What is 5 feet inches

The volume of this cylinder is 2,769.48 cubic meters, the height is 18 cubic meters. What is the radius? Use ≈ 3.14 and round your answer to the nearest hundredth.