math problem
Both Al and Bill must run from their positions to point C and then on to D. They start at the same time and each runs at a constant speed . When Bill gets to point C Al has passed there and is 40 yards towards D. If point D is ____ yards from C, they will arrive at point D at ...
Physics
Masses 15 kg and 8 kg are connected by a light string that passes over a friction-less pulley with the 15 kg mass on a table and the 8 kg mass hanging off the edge. The acceleration of gravity is 9.8 m/s2. If the 15 kg mass, initially held at rest on the table, is released and...
calc
the base of s is a elliptical region with boudary cuvrve 16x^2 +16y^2 =4. cross sections perpandicular to the x axis are isosceles right triangles with hypotenuse in the base. find the volume of s
Calculus
find the derivative. f(á)=ln(siná)
Math
If $32,500.00 is invested at 6.4% for 30 years, what is the future value if the interest is compounded continuously?
Math
What is the simplest form of 1 and 2/6 (1 2/6) My answer is 1/3.. Is it correct?
Math problem
-A clock is divided equally into 60 units. Each unit forms an angle of 6^0.The hour hand moves 1 of these units for every 12 units that the minute hand moves. it move 2 of these units for every 24 units for the minute hand,ete.At 6 o'clock the hour hand and the minute hand...
•Chemistry
How many mole are present in 2.45x10^23 molecules of CH4? ( CH4= 16.05)
calculus
Find the Derivative y=(t^2+3)e^t
Chemistry Help
The ΔHvap of a certain compound is 34.68 kJ·mol–1 and its ΔSvap is 93.60 J·mol–1·K–1. What it the boiling point of this compound?
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