Thursday
June 20, 2013

# Posts by Haley

Total # Posts: 336

physics
A force of 100 Newtons acts upwards on a mass of 50 kg, another force of 60 newtons acts on the same mass downwards. calculate the accleration in which direction will be the accleration

math
How do you find (in radians) the exact value of: tan[pi-(pi/12)]

math
solve the first equation for y. 5x-y=-1 subtract 5x from both sides -y=-1-5x divide by -1 y=1+5x now, plug this answer in for y in the second equation. 15x=2y 15x=2(1+5x) 15x=2+10x 5x=2 x=.4 plug this(x=.4) into the equation for y. y=1+5x y=1+5(.4) y=1+2 y=2 therefore, x=.4 an...

Math
You can simplify the fraction 14/8 by dividing both the top and the bottom by a common factor. if you divide them both by 2, you get 7/4.

Math
thanks. How would you know how to do similar problems? Where should i start when verifying trig equations?

Math
verify that the equation is an identity: (1-cosX)/(1+cosX) = (cscX-cotX)^2

How to convert 4.65 into a fraction but in simpilest form while showing your work?

physics
A tightly stretched "high wire" is 44 m long. It sags 3.8 m when a 56 kg tightrope walker stands at its center. What is the tension in the wire? 1 NIs it possible to increase the tension in the wire so that there is no sag? so far i know you do the inverse sin of (3....

Chemistry
The empirical formula of a compound is CH2O and the molecular mass is 180. What is the molecular formula of the compound?

Chemistry
What is the total mass of iron in 1.0 mole of FeCO3?

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