Chemistry
Calculate the enthalpy change when 45 g of ice at -40.0 oC is heated to completely melt to liquid water at 0.0oC. (The heat of fusion for water is 333 J/g.)
math
Write a recursive formula for the sequence: 12,-1,-14,-27...
physics
The coefficients of friction between a 250 lb football sled and the grass are Mu(s)=0.6 and Mu(k)=0.4. For grass and cleats, Mu(s)=0.9. One 280 lb tryout exerts a horizontal push of 140 lb on the sled. What is the acceleration of the sled?
Vista High school
solve the following inequality. write your solutionin interval notation x^3-x<0
algebra
If you have 75 cents and you have 27 nickels and dimes how many nickels do you have.
Math
if a number is subtracted from the numerator of 3/5 and the same number is added to the denomminator of 3/5, the result is equivalent to 1. find the number
math
what times 60 equals 5076
math
rewrite the equation so that y is a function of x.then use the result to find y when x= -2,-1,0,1 -2y-3x-16=0
math
rewrite the equation so that y is a function of x.then use the result to find y when x= -2,-1,0,1 -6x-1=-4y+2
math
i meant 6x-2y=10
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