Tuesday
May 21, 2013

# Posts by Lacey

Total # Posts: 116

Physics
Can scientists from other countries change what physicists in the United States think? Need help ASAP work due tomorrow XD

sci/275
lakes, rivers, glaciers

Solving for Variables
1. 2T^2 + 3KT - 3K = 2 (for T) 2. x^3-4x^2 + 6 = 0 (for x)

calculus
how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.

math
a punch recipe calls for 1 .5 liters of juice .how many millilitres is this

SAT Math... again
I asked two questions yesterday, and thankfully, bobpursley answered the latter. I accidentally typed in the first question wrong, so I'd really appreciate it if someone helps me out. Thank you, and have a good day :) 1. Kevin is 3 years younger than Nora. If n represents ...

ETH 125
Hey, I'm a student and I sort of did a paper on this a few months ago. To pick my topic, I basically wrote about my own race, because I know most about it. Then, I picked a problem in my community that my race (which is a minority) deals with constantly, so I just wrote ab...

SAT Math?
I'm working on a couple of SAT math programs for school, and I have trouble figuring some out. 1. Joe is 3 years younger than Kate. If n represents Nora's age now, what was Kevin's age 4 years ago, in terms of n? A. N + 7 B. N + 1 C. N - 1 D. N - 4 E. N - 7 2. If (...

Chemistry
Actually, sorry, the amount LEFT OVER is .262g of Na3PO4 - .362 was the amount used.

Chemistry
I have a reaction here: 2Na3PO4.12H2O + 3BaCl.2H2O --> Ba3(PO4)2 + 6NaCl + 30H2O and a question: 0.349g of BaCl2.2H2O and 0.624g of Na3PO4.12H2O are dissolved in 500mL of water to form a solution - how many grams of the excess reactant remain after teh reaction has gone to ...

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