Calculus
A ladder of length 10 metres is being drawn up a wall. The top of the ladder is moving upwards at 1 metre per second. Find the speed with which the foot of the ladder is approaching the wall when the foot is 6 metres from the wall.
mathematic
0.05
finance
what is the future value of $2000.00 given that it will be held in a bank for 9 years and earn an interest of 4%?
physics
You can paddle at 4.5 km/h and the river is flowing at 3 km/h. How far downstream will you be in 44 min? Answer in units of km
math
So how many cakes?
math
An eight-inch square cake serves six people.how many twelve-inch square cakes do you need to provide equivalent servings for eighteen people?
pre calculus
Environmental Concerns: The spread of oil leaking from a tanker is in the shape of a circle. If the radius r (in feet) of the spread after t hours is r(t) = 200sqrt t, find the area A of the oil slick as a function of the time t. I dont get this at all. could someone please he...
statistics
0.57 of all college students like the idea of a new curriculum. If we select 88 students (ASSUME INDEPENDENCE), what is the Standard Deviation of (the Probability Distribution that would list the number of students (from 0 to 88) and the probability of each.) THE STANDARD DEVI...
Chemistry
Could somebody please explain why in gaseous reaction the collision frequency between molecules is far greater than the rate at which molecules react? Thanks! :)
Chemistry
But how can I explain it, concisely, in words?
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