precal
A pile driver pounds a steel column into the ground. On the first drive, the column is pounded 1.65 metres into the ground, and on each successive drive it moves 80% as far as it did on the previous drive. The least number of drives required to drive the column a total of 8.2 ...
Dynamics
Fricken Jeff... Stuck on this one, too. Screw this homework!
chemistry help!
Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. How much potassium nitrate has to dissolve in water to absorb 105 kJ of heat?
AP Calc
What are the zeros (roots) of the function 2x/((x^2)-1) ? Would it just be (0,0)? Thanks in advance!
calculus
The point P(4, −2)lies on the curve y = 2/(3 − x). (a) If Q is the point(x, 2/(3 − x)),use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. 1) 3.9 mPQ= 2) 3.99 mPQ= 3)3.999 mPQ= 4) 4.1 ...
chem
no question - just thank you "drbob", you've answered a few of my questions.
CALCULUS!
When S is sales and t is time, and the original function is S(t), what does S'(24)>0 and S''(24)<0 represent?
CALCULUS!
When S is sales and t is time, and the original function is S(t), what does S'(24) and S''(24) represent?
Calculus PLZ HELP!
What is the limit as x approaches infinity of a constant? Is it the constant or zero? Thanks in advance!
Everything
Ms.Sue is 9/10 a possible teacher. As a teacher she could probably tell that this student doesn't need any help with the work. Just wanted the answers not any help. There are teachers on this site you know. If these students keep up this cheating this site could get close...
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