Thursday
December 5, 2013

# Posts by Kelli

Total # Posts: 138

science
suppose you have7 pieces of wood shown to the right . predict what will happen to the mass of the pieces of wood if you put them together without cutting them to make a birdhouse explain

This is just like that riddle~ Which is heavier, A pound of leather or a pound of feathers. You just add 20+10=30....

30 grams?

Calculus
Find the differential dy and evaluate dy for the given values of x and dx. y=cosx x=pi/3 dx=0.05 2) y=e^x/10, x=0, dx=0.1 This is a different format than my teacher used in class so I'm confused. Help please!

I'm a number using only 5 base ten blocks between 150 and 250, and the number in the tens place is half the number in the ones place

Mat 126
Cross multiply 3000/90=3500/x 3000x=315,00 divide each side by 3000 and you get x=105 then take 105 and subtract from the original number of 90 and you get 15. So they need to hire 15 more instructors to keep the same student/teacher ratio.

College Chem
I need to be able to describe how to prepare 20 mL of a 0.0050 M KIO3 solution from a stock solution with a concentration of 0.020 M.

College Chem
thank you

College Chem
does it equal 1.07 g?

College Chem
Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.

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