child day care
Jean Piaget was a A. factory worker. B. pediatrician C. developmental psychologist. D. child care provider.
statistics
if the mean=100 and the standard deviation=8, calculate p(x>108)
precal
(x^2+11)/(3-x) x=4i
precal
Preform the indicated operations and write the results in standard form. ( i= imaginary number) √-12(√-4-√2)
physics
in a baseball game a 0.2 kg ball moving at 12 m/s is hit by a bat. after the impact the ball moves in the opposite direction with a velocity of 18 m/s. if the force exerted on the ball of the batter is 670 N. how long is the time of contact
Algebra 1
Yes, I think I got it. h2+8h+-16 H2-16=0 H2=16 squareroot of 16 = 4
Algebra 1
How to find the product? For example (h+4)(h-4)
chemistry
A 20.0 mL sample of 0.687 M HBr is titrated with a 0.216 M NaOH solution. The pH after the addition of 10.0 mL of NaOH is __________. A. 0.413 B. 0.386 C. 0.163 D. 0.579 E. 0.237
chemistry
Thank you so much that cleared up a lot!
chemistry
A 20.0 mL sample of 0.687 M HBr is titrated with a 0.216 M NaOH solution. The pH after the addition of 10.0 mL of NaOH is __________.
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