math
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Auburn University
Two 95.0 W (120 \rm V) lightbulbs are wired in series, then the combination is connected to a 120 V supply How much power is dissipated by each bulb?
english
Fix these questions if they are incorrect. If they aren't, just leave them alone. 1. To change the tire, John rose the wheel with a jackhammer.
math
In how many different ways can 8 riders be matched up to 8 horses? Explain answer please.
Physics
An underwater microphone is used to record sounds emitted by porpoises. The minimum intensity level the instrument can record is 10 dB. Assuming a porpoise emits sound at a rate of 0.05 J/s, what will be the max distance at which the animal will still be recorded? Neglect soun...
Socail Studies
I am doing a crossword puzzle: THe cause of the Panic of 1837 was ? or too many people buying too much land with too little collateral. It starts with an O and has 15 letters?
Algebra
How do you solve 5x^4-12x^3 by factoring? I tried to pull out an x^3, but x^3(5x-12) is hard to break down further into two groups. There's no factors of 5x really other than 5 and 1, and that won't work. Could you demonstrate?
Algebra
(x+4)^2=18. (x+4)(x+4)-18= x^2+8x-2=0. (x )(x )I have no idea how to factor this because no factors of two will add up to 48. Can you offer an explanation and tips on factoring this sort of question?
Algebra
How do you factor -2x^2+x+15=0? I know it should be (2x ) (x ) but I cannot find two other factors which will yield 15 AND x. 5 and 3 doesn't work and neither does 15 and 1. Could you explain what could?
chemistry
1a. You fill a small graduated cylinder with exactly 10.00 ml of distilled water with a temperature of 20.0oC which weighs 10.00 grams. You pour out the water and put in 10.00 ml of ethanol into the same graduated cylinder which weighs 7.893 grams. What is the specific gravity...
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