Sunday
December 8, 2013

# Posts by lacey

Total # Posts: 118

algebra
o Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? o What circumstances would cause you to use a different method?

science
How does a sunflower's energy get transferred?

Ruminant Nutrition (college)
I'm studying for a Ruminant Nutrition final exam and have a couple essay questions that I'm really struggling with... - How do ruminants fit into sustainable food production systems? - Assume that you can genetically modify a rumen microbe to perform any reaction (e.g....

Probability
Two brothers enter a race with 5 others. Racers draw names to determine their starting positions (1 to 6). What's the probability that the older brother will start in lane 1 with his brother directly beside him?

logic
determine the validity of the next arguments by using Euler circles, then translate the statements into logical statements using the basic connectives, and using truth tables, determine the validity of the arguments. Compare your answers. (a) No A is B Some C is A Some C is no...

Chemistry
A 67gr mass of solid iron is heated by a flame until the temp of the iron equals the temp of the flame. The solid iron is then dropped into 250gr of liquid water at 26 degrees C. After 5 mins, the iron and the water are both at 47 degrees C. Specific heat: Iron- .451 Water- 4.184

science
what is the purpose of the ridge on the roof?

science
explain the importance of convection currents to pond life

Math - last one
yes, but why is it t/3?

Math - last one
I just have one more question. I need to find the equation for the following word problem: a group of yeasts cells grows by 75% every 3 hours. At 9 a.m., there are 200 yeast cells. Write an equation that models the number of yeast cells after 9 a.m. So far I've worked out ...

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