physics
Landing with a speed of 87.7 m/s, and traveling due south, a jet comes to rest in 939 m. Assuming the jet slows with constant acceleration, find the magnitude and direction of its acceleration. Magnitude of acceleration
math
a convenience store sells 1650 items,are of 12/25 junk food
Physics
Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how far apart, measured on the Earth's surface, are Copenhagen (55.67° N latitude), and Rome (41.90° N latitude)? The two cities lie o...
math
The equation of a parabola is y=(x-5)^2-4. Is the point (5,-6) on this parabola?
math
Find the value of C that will make 25x^2-40x+c a perfect trinomial.
math
Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the OR?
math
Given a right triangle ABC, if the measure of angle B=30 degrees, the measure of angle C=90 degrees, and AB=5cm, find AC
Chemistry - Equilibrium
You have an unknown concentration of ammonia. When you add 15.0mL of a 0.400 M HCl solution to 50.0mL of the ammonia solution, the pH of the solution becomes 8.75. What is the concentration of the original ammonia solution? [Kb (NH3) = 1.8 x 10^-5]
math
only 5% of the carbon-14 in a small wooden bowl remains , how old is the bowl? Hint, half-life for carbon –14 us 5730 years
math 125
solve the system 2x-3y-z=-8 x-y--z=-2 -4x+3y+z=6
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