Wednesday
February 10, 2016

Posts by katrina

Total # Posts: 216

PHYSICS
can we ever measure or draw any physical feature of a natural system exactly???why or why not?? im confused by this><!!! HELP PLZZ.... i will try to help u but i am no expert only a student.this might be one of those ethic questions that really have no answer at all you ...
September 23, 2006

global history
can anyone plz give me three major reasons of why did the Industrial Revolution begin in England??? Check this site. http://en.wikipedia.org/wiki/Industrial_Revolution#Causes_for_occurrence_in_Britain
September 22, 2006

types of sentence
can anyone tell me which of the following is a complex sentence??? 1.But the journey of the coal driver is a reminder that often beneath the juggernaut of the Chinese economy are three guys squeezed into the cab of a filthy truck hauling coal, a trip multiplied daily by untold...
September 20, 2006

math
express this in binomial: 2 4ez (4e-z) the 2 is the square.. can anyone teach me how to do this??? I'm a little unsure what your question is asking for here. Ordinarily, a binomial is an expression with two variables and some positive power, e.g. (x+y)^2 or (x+y)^3 are ...
September 20, 2006

Physics
when we do convertions, do we have follow the rules for rounding? is it 118.5cm=1.19m, or 118.5cm=1.18m? It depends upon how many significant figures (sf) you are allowed, whether you are doing converSions or calculating some other problem. By definition, there are 100....
September 17, 2006

physics
when i calculate the density from my measurement,mass=154.4, volume=175.00,and got 0.8823 g/cmexp3 as the answer,so do i have to express the answer in scientific notation or round off it? No, you do not need to express the answer in scientific notation unless the problem asks ...
September 17, 2006

Physics Measurement
Upon what is the precision of a measurement based? It depends upon what is being measured. For volume, the precision depends upon how precisely the buret or graduated cylinder can be read. For mass it depends upon the balance used (triple beam vs analytical balance), its ...
September 15, 2006

Physics Mathematics
do we have to have the same amount of significant numbers in the values we got by convertion? No. Your conversion factors may have some lack of precision. Examples 60sec=1min infinitely precise, a definition. 1.6km= 1mile two sig figures, because the mile to km is a measured ...
September 15, 2006

HELP!!!!EMERGENCY WITH THE POEM!!!
do anyone knows a poem named "Instruction for Joining a New Society", which about the desire to become an American? I need this poem immediately!!! Thank you for using the Jiskha Homework Help Forum. If that is the title, I find nothing! If you have either the title ...
September 14, 2006

Look for poem
can anyoone help me to find these two poems... 1.AmeR¨ªcan 2.Instruction for Joining a New Society Do you know the authors? I looked on google but found nothing.
September 14, 2006

trigonometric functions
im compeletely lost with the trigonometric functions...can anyone explain clearly to me? Are you lost on the definitions?...where is the problem. You need to be able to draw and label all the parts of a triangle, the hypotenuse and legs. Then be able to define sine, cosine, ...
September 14, 2006

ESL-grammar
can anyone plz tell me what's the differences between past perfect tense and past perfect continuous tense?and tell me few examples of each one? Thank you for using the Jiskha Homework Help Forum. The past perfect tense is to show that something "had happened" ...
September 13, 2006

Look for poem
I'm looking for a poem, "Ending Poem", which is written by a Puerto Rican poet. i can't find this poem,anyone can help me plzzzzzzzzzzzz? This stupid site won't let me post the link so hers the poem enjoy! I am what I am. A child of the Americas. A light-...
September 13, 2006

English
Mother to Son by Langston Hughes Well, son, I'll tell you: Life for me ain't been no crystal stair. It's had tacks in it, And splinters, And boards torn up, And places with no carpet on the floor-- Bare. But all the time I'se been a-climbin' on. And reachin...
September 11, 2006

sociology
I started this class last week and is so confused on what they are asking. The same question. How do sologlgist measure prejustic. Thanks for the help.
July 20, 2006

chem help!!!
What are some uses of ketones? solvents.. Solvents, plastic cements, varnishes
June 22, 2006

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