Sunday
May 19, 2013

Posts by chels


Total # Posts: 54

U.S History
Why were the Vietcong so successful against the United States? A.The Vietcong held the strategically important Ho Chi Minh Trail. B.U.S. troops could not engage the Vietcong in traditional warfare. C.Vietcong forces had superior weapons and military training. D.U.S. soldiers f...

Chemistry
A solution has a pH of 3.90. What is the hydroxide ion concentration? I know that I need to find H30+ first but my teacher doesn't allow calculators on the test. So how would I find the answer WITHOUT a calculator?

Chemistry
37.5ml 1L .152 mol NaCr 1 mol AgNO3 -------|-------|-------------|-------- 10^3ml 1L 1 mol Na2cr 1 L 25ml -------------|-------- 1 mole AgNo3 10^3ml

Algebra 2
I tried that already, it didn't work.

Algebra 2
An ice-cream parlor sells sundaes with 3 different types of ice-cream and 4 different toppings. They have 8 flavors of ice-cream and 10 toppings for their customers to chose from.what is the probability that a customer orders a sundae including chocolate and strawberry ice cre...

Algebra 2
A company can produce T-shirts for $0.99 each. They spent $1,000,000 on their building and machines. What is the horizontal asymptotes of the graph that models the average cost of each t shirt, including the start up cost?

Algebra 2
half life carbon -14 is 5,730 years. If you start out 50 grams, how long will it take until it reaches 2 grams?

Algebra 2
Use the associative property of multiplication to write an expression equivalent to 8x*(4y*7z)

Algebra 2
what is the opposite of 49x^2y A. 49x^-2y b. -49x^2y c. 1/49x^2y d. -49/x^2y

Algebra 2
two resistors are connected in parallel. Their resistances are 8 ohms and 17 ohms. What is the resistance (R) of the combination? R=---ohms

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