Monday
December 9, 2013

# Posts by Dan

Total # Posts: 842

chemistry 12
hey i was wondering, i have this question: Sketch a pH curve for the titration of 40.00mL of 0.100 M hydrazine, H2NNH2, having a K of 3.0x10^-6 by 0.100 M HCIO4 i know you can t sketch but could you tell me what to do with the "K of 3.0x10^-6" i could sketch the curv...

MAth
A rectangle is 15 inches long and 6 inches wide. What is the area of the rectangle?

Math
If triangle ABC is similar to triangle DEF and the perimeter of ABC is 4 times greater than the perimeter of DEF , what is the relationship between the areas of the triangles?

Physics
You are explaining why astronauts feel weightless while orbiting in the space shuttle. Your friends respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating the acceleration of gravity 248 km above the Ear...

math
Solve the following problems using Partial Quotients a. 7752/17 b. 651/3

math
The number of dogs and chickens on a farm add up to 14. The number of legs between them is 36. How many dogs and how many chickens are on the farm if there are at least twice as many chickens as dogs?

math
Find the sum of the arithmetic progression 4 + 9 + 14 + 19 + …….94 + 99 + 104

sceince
close, you need to change your theta. A) 250(1.7)cos35 B) 250(3.2)cos55 this will work, just did it for my homework and they are correct. My E and A are different but the theta was the same.

Finance
John Jones buys a flat screen TV costing \$1200. He pays \$200 down and finances the balance at 15% add-on interest, to be repaid in 18 monthly installments. Find the finance charge

AP CHEMISTRY
Thank you very much

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