Math
for my stats exam, we are NOT allowed to use a scientific or graphing cal, my professor will give us those cheap calculator from the 99cent store. I wanted to know how can i calculate e^-4.7? on my scientific it says it0.009095 but on my cheap calculator.. here is what i did.....
Physics
Givent the initial velocity of the car, the driver's reaction time, and the coefficient of friction,find the total distance required far a car to stop. <------ What is the formula that I need to solve this?
MATH
How can I find the vertex, axis of symmetry? I know to find x and y intercepts i use the quadratic formula. I am given the parabola y=x^2+6x+5 I do not want the answer.. Just please explain to me how to solve for it. what method do I use???
Math
If a teacher allows 5/6 of an hour to be spent on homework and she allow 1/3 of that time to be spent on math, how much time will be spent on math?
phys
Doug pushes a 4.65 kg crate up a 2.00 m high 13.0° frictionless slope by pushing it with a constant horizontal force of 35.8 N. What is the speed (in m/s) of the crate as it reaches the top of the slope assuming that the local acceleration due to gravity is -9.80 m/s2?
algebra
Find value of log (base 8)log (base 2) log (base 3)log (base 3) (27)^3 I endedup with 1.000063462 which was wrong
Chemistry
Temperature Rate Constant 310 0.830 320 2.27 330 5.83 340 14.2 350 32.8 Use an Arrhenius plot to determine the frequency factor for the reaction. I know the equation to find the frequency factor is K= Ae^-Ea/RT but i am still getting the wrong answer. Do I convert the Activati...
Chemistry
thank u sooo much :D
Chemistry
Choose the bond that is the weakest: A) Na-Cl B) I-I C) C=N D) Li-F E) C=O I don't understand the question... do they mean polarity wise, IMF wise or bond length wise. I know the answer is C but why C.
Chemistry
Arrange the compounds in order of increasing boiling point. A) CH4 B)CH3CH3 C) CH3CH2Cl D) CH3CH2OH **I know High Intermolecular force = High boiling point!** My question is if A, B & C are dipole-dipole, and D is hydrogen bonding.. how can i determine from A, B & C which is t...
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