Quizzes & Puzzles3 mins ago
Science
Welcome To The AnswerBank ScienceAny discussion that is scientifically led is acceptable, whether it is about physics or a conspiracy theory.
Whilst discussions and debates are encouraged, The AnswerBank reserves the right to remove answers that are deliberately misleading, e.g. by implying that a statement is a scientific theory or law when it is not, especially when such answers may impact personal health choices.
The AnswerBank makes no claim regarding the scientific accuracy of any post (question or answer) made by a member.
A man buys a horse for £70. He then sells the horse for £80. He then buys back the horse for £90. Once again he sells the horse for £100. How much did the man make or lose? Or did he break even?...
There are some people on a train. 22 people get off the train at the first stop and 17 people get on the train. Now there are 59 people on the train. How many people were on the train to begin with??
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The straight line L has equation 3x + 2y = 18 The point A has coordinates (0, 3) The straight line M is perpendicular to to L and passes through point A. Line L crosses the y-axist at the point B Line...
A straight line graph goes through points (a,b) and (c,d) where
a+3=c and b+6=d
Find the gradient of the line....
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How does the structure of a molecule affect its properties and behavior in chemical reactions?
43 UK students were asked if they had visited France, Germany or Denmark. 10 students had been to France 1 student had visited all three countries 2 students had visited France and Germany but not...
A bag contains red and yellow sweets. Some of the sweets are fizzy. All the other sweets are bonbons. The ratio of the number of red sweets to the number of yellow sweets is 4 : 3 The ratio of the...
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A year head teacher wants to put together some 'goody bags' to give out to pupils who have gone the extra mile. She purchases the following: 3 tins of Quality Street, each tin contains 124 items of...
TIA!!
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A group of academics say they have identified fossilised sponges, corals, worm eggs, algae and more on the surface of Mars, and say life there may even be thriving today. “We have photos of fungi...
The diagram (see link below) shows 3 identical circles, each with radius 6cm. The centre of each circle is represented by A, B and C respectively, such that points ABC form a straight line. Calculate...
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do they exist or is this science fiction?
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The question is to determine the current and its direction through the 3 ohm resistor.
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I've been taking huge amounts of Ritalin for the past few months. around 800 mgs of IR pills plugged and 600 mgs of slow-release pills taken orally. now I literally can't afford it anymore, but the...
I'm a bit rusty on maths. I need to work out how to divide any given rectangular shape into any given number of equidistant sections. I'm thinking of joists, for example in a roof - if I need to put...
to show the effect of injected gas on the produced
liquid....
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