Thursday
June 20, 2013

Posts by RickP


Total # Posts: 140

5th grade science
It might be just a portion of the water cycle - evaporation - since it only mentions water going up.

Math
Start with the relation beween cm and dm. 1 dm = 10 cm Now figure out the relationship between CUBIC dm and CUBIC cm. 1 cubic dm = 1 dm * 1 dm * 1 dm 1 dm * 1 dm * 1 dm = 10cm * 10cm * 10cm so 1 cubic dm = 1000 cubic cm See if you can take it from there.

CHemistry
Does the second question mean, "B. Which of the following molecules are likely to form hydrogen bonds [with themselves]?" You can get different answers depending on whether or not that added part is implied.

Science
Angie, yes, summer and winter are "reversed" in Antarctica. Gabriel, you should post your own question instead of piggy backing on someone else's. And atoms are not the smallest particles: atoms consist of subatomic particles called protons, neutrons, and electro...

physical science
The majority of volcanoes form near plate boundaries. A good example is the so-called "ring of fire" encircling most of the Pacific Ocean. However, the chain of islands of Hawaii are volcanic but are nowhere near a plate boundary. They arose from a mantle plume - a f...

science
Karyotypes are pictures of a cell's chromosomes taken when they are the most visible (most condensed). The picture is then edited so that all of the chromosomes are oriented in the same direction, paired up, and then sorted into the correct numerical order. A karyotype can...

MATH
solve the first equation for either variable. For example, solve it for x. x + y = -4 x = -y - 4 Then, where ever that variable appears in the second equation, replace it with the value from the first equation that is equal to it. This will allow you to find the value of the o...

math
Actually, there's a more general way. 1) Is the "state" one of the first 3 elements in the set? Yes {Montana, Washington, Idaho} No {Oregon, Alaska, British Columbia, Alberta}. Suppose the answer is no. 2) Is the "State" one of the first 2 elements in t...

math
You could do the same general thing as Count Iblis suggested but instead of finding the populations, you can use letters in the names of the "States". I will show one possible path (note that the way you phrased the question, you can ask a different set of questions ...

Math
1) Solve the first equation for either variable. 2) Every where in the second equation that the solved-for variable appears, replace it with the value it is equal to. 3) You now have only 1 variable in the second equation. Solve the second equation for that variable and you wi...

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