Health
C. Environment and genetic factors
algebra1
A rule of thumb states that the ideal weight (in ounces) of a baseball bat for a high school player is 5 ounces more than one third of the player's height (in inches). Write an expression that describes the ideal weight in ounces of a bat for a high school player who is h ...
Math
The Pew Research Center recently polled n= 1048 U.S drivers andfound that 69% enjoyed driving their automobiles. (a) Construct a 95% confidence interval for the proportion of U.S.drivers who enjoy driving their automobiles. (b) In 1991, Gallup Poll reported this percent to be ...
physics
State how the centripetal force is provided in the case of a satelite orbiting the earth
Chemsitry
Starting out with 50 mL of 0.20 M NaHCO3, calculate how many mL of 0.50 M NaOH solution to add to make 100 mL of approximately 0.10 M (total) buffer solution with a pH of 10.35. By adding NaOH, some of the NaHCO3 gets converted to the conjugate Na2CO3. This conjugate acid/base...
Chemsitry
A chemist needs to make 50 mL buffer solution with a pH value of 7.25 using the acid/conjugate base pair of KH2PO4 and Na2HPO4 (which has an effective pKa = 6.86). The buffer solution needs to be made so that the total concentration of buffer is 0.10 M (that is, [acid] + [base...
Chemsitry
Tris is an abbreviation for tris (hydroxymethyl) aminomethane, which is a weak base. Calculate how many grams of tris (mw=121.14g/mol) are needed to make 25mL of 0.10M tris solution. Calculate how many mL of 0.25M HCl are needed to convert half of the moles of tris present in ...
pre-algebra
oh you dont have to worry about it.
pre-algebra
thomas borrowed $4800 to buy a new car. he will be paying $96 each month for the next 60 months. find the simple interest rate for his car loan.
Pre-algebra
thank you!
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