Science & Mathematics Questions and Answers

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  • - 0.5 + 25 + 9 =?
  • ( 2 * 3 ) to the 2nd power multiplied by -8 - 4 ( 4 + 10 ) to the 2nd power + 8 = ?
  • ( x³+4x²+x-6):(x-1)=?
  • ((x+2)/x )+((12)/3x-5)? dont understand but i know the answer is -5 or 2/3, how?
  • (14X3-5%+13squared)DIVIDE BY 0.2 =?
  • (5 x 9)14/6+9x7=?
  • (7/20 + 3/5) - (3/8 x 4/9) =?
  • (A-X) x (B-X) x (C-X) x ..(Z-X) find the answer.?
  • (UK) What are those tall roadside poles that are like lamp-posts, but no lights and a bulge at the top?
  • Briefly explain the structures and important biological functional roles of water, carbohydrates, lipids pro
  • advanced technology gives conclusive evidence of the past''? discuss.?
  • Bloddly Rain in NE India during almost 1 month few years ago?
  • Each action has an equal and opposite reaction.?
  • Encounter of the 3rd kind What is the 2nd kind? (asuming human is the 1st)?
  • Hubble's constant is found to change with increase in time.Then why is it called a constant?
  • Planet Pluto, is it fair it lost its status, & why do u think so?
  • save the planet rubbish , save the human race more like, the planet will be still here long after us..
  • Sente, Violet, Scarlett and Kurt have spent the day hiking in the hills to the south of the city. On their wa
  • What happens when an irresistible force meets an impenetrable barrier?
  • What was Captian Hook's name before he had a hook for a hand?
  • Who ordered that?
  • *A LEVEL Biology question*?
  • *Please*, only answer this question if you *don't* know the answer (part 2)?
  • *Please*, only answer this question if you *don't* know the answer?
  • .long division?
  • .is the gravitational pull on the moon stronger or weaker then the gravitational pull on the earth?
  • ?Can someone plese help me with this? It quite basic i think!?
  • ?Does a submarine shrink when it dives.?
  • ?Toast?
  • ?Try this sum?
  • [y=1/2x+3] the value of y being 3 what is x?
  • |s it possible to teleport?
  • 1 for Doctors & similar: How long after a 3/4 Omental Resection should I expect to have full Omental regrowth?
  • 1-(1/2)+(1/3)-(1/4)+..+(1/99)-(1/100) how can this become {(1/51)+(1/52)+(1/53)+(1/54)+.+(1/99)+(1/100)
  • 1-(1/2)+(1/3)-(1/4)+..+(1/99)-(1/100) how can this become {(1/51)+(1/52)+(1/53)+(1/54)+.+(1/99)+(1/100)
  • 1. Generate your own vector p which will represent the probability masses?
  • -1/ -5 mutiplied -5 + ( 7 - 9 ) + 11 to the 2nd power = 124 right?
  • 1/sinx-sinx=cos/tan?
  • 1+1 +1= 3. How can this be?
  • 1+1=1? Does anyone know how?
  • 10 Dimensions?
  • 10 peoplemakenew yrs resolution 1st will swim every day, 2nd swimevery 2nd day& so on.when do all 10swimtog?
  • 10 points for this answer.?
  • 10 points up for grabs here...?
  • 12 ounce can sells for $4;95 or an 8 ounce can sells for $3;25,which is better to buy?
  • 12. But is it numberwang?
  • 12p+4=32-2p. my son is struggling with his maths homework and I'm no help. He needs to show workings .thanks
  • 13+12=? help me pls?
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  • 19 members of staff wish to contibute to a gift for the 20th member. it's agreed this will be pro rata accordi
  • 1q,2q,3q,4q,5q,6q,7q,8q,9q and the last will be?
  • 1second after the start of the BIG BANG:1second?
  • 2 4 16 112 448 7168 ? Which number is next in this sequence?
  • 2 guns held point blank and fired at same time. What would happen?
  • 2 possibilites for restricion maps. How can I prove which possibility is correct?
  • 2 under 5of 15 =?
  • 2,434 bricks 2 build 1 wall of semidetacheach brick costs 15p how much wud it cost 2 build 24 semidetachhouses
  • 2+2 can equal 5 cant it?
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  • 24 hours 60 minutes 60 seconds etc. Why?
  • 25 32 37 47 58 71 79 ? Which number is next in this sequence?
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  • 27 August arrives, Mars nowhere to be seen. Will people who fell for the Mars Hoax now admit they were duped?
  • 2CuO + C --------- 2Cu + Co2?
  • 2nd law of thermodynamics.?
  • 2Q =1C and 2C = 1M?
  • 2x = 3 - 8 (x+2) could I please get the answer to this equation with full working please?
  • 3 differences between luminous and non - luminous objects?
  • 3 out of 4 elevator controllers in one building were damaged within 2 months, VVVF inverter & others damaged?
  • 3 phase 240 volt motor wiring?
  • 3 switches upstairs independently control 3 light bulbs in basement, making 1 journey match lights to switches
  • 3 yearly injections for dogs?
  • -3/5 + ( 4 + 85 ) + 4 to the 2nd power = 1044 right if not tell me what i did wrong?
  • 30 20 29 21 28 22 27 23 26 24 ? ? What are the next two numbers in this sequence ?
  • 3000 hours convert it by 15 hours per day how many days do i get from 3000 hours, thanks?
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  • 36 mutiplied by negative 8 minus 4 multiplied 196 + 8 = ?
  • 3a+b=8 3a2+b2=28?
  • 3x - 4y 7?
  • -40 degrees tempreture is the tempreture of space.If so why don`t space-ships freeze?
  • 5 - 5 = 0?
  • -5 - 8 = would i add ? and keep the negative sign how about -5 + -8 = what should i do then?
  • 5 Ways To Help The Environment?
  • 5.What kind of compound would you expect Li and Cl to form?
  • 5:15 and.?
  • 500mph Fly?
  • 512farenheit=________celsius?
  • 6 billion years ago their were two planets that had life on it,but only one survived, earth and mars?
  • 6 key ingredients in the formulation of microbial lab media?
  • 6 teams have to play each other on conse weeks 2 teams play at home each week against 2 otheer teams whats th
  • 6 widest rivers in the world?
  • 6.What kind of compound would you expect to form between N and O? Explain?
  • 61 691 163 487 4201 ? What number comes next in this sequence ?
  • 66 B of the B?
  • 6x6. (x-a)(x-b)(x-c).(x-z)=?
  • 8.3g of sodium carbonate of fomula na2 co3 was dissolved to make 100cm3 of solution?
  • a 30 year study says the sun has been getting hotter each year, is this the real reason behind global warming?
  • a baby deer will run for cover asap after birth and hide silently till it's mum calls.is this inherited memory
  • A better question .?
  • A bird in the hand is worth two in the bush, a stitch in time saves nine, which is more useful to squid?
  • A bit of general ignorance?
  • A body of weight 150N accelerates at 0.5m/s2. What force is being applied.?
  • A boy is four years old and his sister is three times as old as he is. When the boy is 12 years old, how old w
  • A butcher is six foot tall, wears size 14 shoes, and has a 50 inch waist. What does he weigh?
  • A car is braked so that it slows down with uniform retardation from 30ms-1 to 15ms-1 over a distance of 75m.?
  • A car is travelling 5m/s then accelerates at 1.5m/s2, at what speed is it going after 9 seconds?
  • a car is travelling at 6 m/s. how far will it travel in 30s?
  • A car is travelling at the speed of light, it turns it's head lights on. Do they work?
  • A car traveled 28 miles in 30 minutes. How many miles per hour was it traveling?
  • A cat giving birth to puppies?!?
  • a certain number divided by seven gives one less than ten as the answer. What's the number?
  • a collection of nerve cells found together is normally called...?
  • A compass which I use in the car. It has lost some of it's fluid (oil?) What is the correct fluid to use?
  • A complex question on physics and sport?
  • A couple of questions about surds.?
  • a Darwin theory question about evolution here.. Darwin fan´s only. are you a Darwin fan ?
  • A device which is the opposite of a microwave?
  • a farmer had 12 cow,sold 2/3 of them and send 1/6. what fraction of the12 cow did he still have?
  • A force of 200N is applied downwards at 1 end of the bar,5m long in total.?
  • A friend of mine asked this question : Are there more stars in the universe then all the money in the world?
  • A friend of mine has a knob like a blind cobblers thumb.do you have any funny shaped appendages?
  • A genetics question?
  • a glass was sitting on a counter with nothing in it. it exploded all of a sudden?
  • A laboratory sample labelling method?
  • a lady, when asked her age, replied that she was 35, not counting saturdays and sundays, what was her real age
  • A large meteor is heading for the Earth.should we be told?
  • A level biology?
  • A level Maths help! Solving a quartic/quadratic equation! eg. x^4 - 5x^2 + 4 = 0?
  • a level question?
  • A man catches a fish weighing three quarters of a fish plus three quarters of a pound, how heavy is it?
  • A man is twice the age that his girlfriend was when the man was the same age as his girlfriend is, he is 24?
  • a map of the republic of south africa with all its capital cities.?
  • A mathematical problem (differential equations & rates of decay)?
  • A mathematical problem (parametric differentiation)?
  • A mathematical problem (trigonometrical identities and differentiation)?
  • A mathematical problem (vectors)?
  • a maths test, what is the next number and why?
  • A Matlab question! URGENT!?
  • A piece of paper falls gently to the ground, screw it up into a ball and it falls , the mass has not changed?
  • A plane journey took 2 hours.Sailed back in 18 hours,speed 9 knots.What was Avg speed in km p/h for whole trip
  • A planet/star made of sugar?
  • A plank of wood 20 units has its edge just touchind a 4 unit box?
  • A procurement system is considered to contain five cycles. What are they?
  • A question about an illinformed religious person?
  • A question about bulbs?
  • A question about pain?
  • A Question for Eddy?
  • A question on the speed of light - does relative velocity matter?
  • a rollercoaster accelerates from 2m/s to 8m/s in 5 seconds. What is its acceleration.?
  • A rope around the equator, ends just touching, then lengthened by 1ft, gives 2 of slack around the globe. HOW
  • a simple explanation of why the earth is round?
  • A solution of K2MnO4 has a deep purple colour with a strong band in its UV/V is spectrum Explain the origin?
  • A square is a regular polygon because it has sides and angles the same length?
  • A strange one! concerning Space.?
  • A stright line on a graph has the equation y=3x-4?
  • A triangle has 2 sides of 19mm and the angle between them is 17 degrees.?
  • a volcano that no longer erupts is called?
  • A way of calculating how often molecules collide in a soution?
  • AAAAAAAAAAhhh! Help! Genetics problem.?
  • Aaaah! The Fabric of mathematics is falling apart.?
  • aaarrrrrggghhhhh?
  • abbreviation STM?
  • About prisoners getting their cells...?
  • About a light bulb in a microwave.?
  • About Ghosts...?
  • about inequality?
  • About leather products?
  • According to current science, how many planets are there in our solar system?
  • According to scientists, humans will split into TWO groups. One tall and handsome, the other short and ugly?
  • Acid and aluminium?
  • acids and bases?
  • acids dissolved in lots of water are called?
  • acoustics and attenuation?
  • Activation energy?!?
  • aerial views letchworth garden city?
  • After eating, do amphibians have to wait one hour before getting out of the water?
  • After performing a titration, how do you calculate the esimated error in a titre?
  • After watching a documentry..The Moon Landings..Real or the biggest hoax of all time?
  • Aged samples of aldehydes often effervesce when treated with sodium bicarbonate. Why is this?,?
  • Air conditioning. My windscreen used to be clear before I had it. Now it won't clear.?
  • Al Gore has said our environment is dieing. What can we do to change this?
  • Al gore. Prophet or naysayer? any thoughts gang?
  • Albert Einstein or Issac Newton?
  • Albert Einstien's riddle?
  • Alcohol test countback?
  • Algebra graphing help?
  • Alien abduction a true telling : question What do you think ans have you a tale of your own . ?
  • Alien theory?
  • Alien visitations and sightings of UFOs.. do people believe in them? Or is it an elaborate hoax?
  • Aliens In The Rain is this Photo Real and what dose it mean to you ?
  • All clocks in the UK will be put back by one hour this weekend. Do other countries have similar time changes?
  • All perceived benefits carry with them a known risk.?
  • Aloe Vera plant doesn't seem to have grown at all in six months!?
  • Alternative fuels?
  • Alternative medicines .?
  • Am I lucky or skillful?

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