Chemistry
Which of these is more efficient on a large/small scale (power generation) and why? burning hydrogen to generate heat to drive turbines to produce electricity or directly producing electricity in a fuel cell reaction Can hydrogen be piped into homes, offices the way natural ga...
Government
which could a special district provide? A. School Administration B. Park Maintenance C. Police Protection D. All of the above
Hypergeometirc Distribution
From a lot of 12 flares, 4 are selected at random. If the lot contains 4 defective flares *flares that will not fire), what is the probability that all 4 will not work? What is the probability that at most 2 will not work?
child psychology
the only ssri thats currently fda approved for the treatment of depression in children is a.paraxetine(paxil) b.fluxetine(prozac) c.sertraline(zoloft) d.trimoxiphine(xantax) I chose A im still unsure
chid psychology
thanks!!
chid psychology
which of the following is not true of the meta-analytical finding of reseach theory with children? A. changes achieved by children reciving treatment are greater than those for children not receiving treatment b. treatment effects are larger for problems that are specifically ...
Math
List the elements {a1, a2, a3...} where an is defined as a1= 1, an=na(n-1) n E N, 1 <n <7 i know that a1=1 therefore a must equal 1 right. but what steps do i take to solve this?
Data Management
This is a hard question as it has a diagram. Basically the diagram states: Victoria - Montreal costs $580 Victoria - Saskatoon costs $230 Victoria- Toronto costs $505 Saskatoon - Toronto costs $398 Toronto - Charlottetown costs $395 Toronto - Montreal costs $189 Montreal - Cha...
Math
but how did you do a? im so confused
Math
Just for reference √ = square root Evaluate the following expressions: a) 3√12 - 7√75 b) 1 3/5 + 4/-15 c) -3 + (-5) +3 (-5) d) 3y+6/4 - y-3/2 = 3y/4
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