Precalculus
solve the equations for x a) e^2x - e^x - 30 = 0 b)1-3/n^x = 5
pre algebra
13d = _ min
chemistry
1.write the balanced equation 2.find the number of moles of N2O 3.find the molar ratio 4.if the ratio is 1:1 than the number of moles for N2O and oxygen will of the same value 5.find the mass using n=m/MM 6. rearrage the equation to get m=n*MM and you will get the mass of oxyg...
Chemistry
Combustion analysis of 0.343 g of a compound containing C, H, and O produces 0.753 g of CO2 and 0.411 g of H2O. Mass spectral analysis shows that the compound has a molar mass around 120 g mol-1. What is the compound's: Empirical Formula:----- Molecular Formula:-----
Math
If a+b is less than c+d, and d+e is less than a+b than e is (1)less than c (3)less than d (2)equal to c (4)greater than d
history
What elementary school or high school did Paul Dunbar, the poet, go to?
6th grade geometry
list the next 7 polygons after pentagon..
physics
thank you
physics
a cork floats on the water as a water wacve passes by, what happens to the cork? will the cork's vibrational frequency be related to teh water wave's frequency and if so, how?
Pre-Algebra
11Y^2-7Y+12
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