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Kieran, Jermaine and Chris play football. Kieran has scored 8 more goals than Chris. Jermaine has scored 5 more goals than Kieran. Altogether they have scored 72 goals. How many goals did Jermaine score?

Find an equation that explains the problem. We can see how many goals the players have scored in comparison to each other. The person with the fewest goals is Chris. Let us say he score x goals. Then we can ...
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Answered by Daniel C. • Maths tutor
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In the addition of hydrogen bromide to propene, consider which of the two possible products, 1-bromopropane and 2-bromopropane, will be the major product and why.

[Throughout the question, references will be made to a diagram which shows the mechanism of the reaction] In organic addition reactions like the one described in the question, an unstable intermediate carboc...
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Answered by Aryan N. • Chemistry tutor
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Explain the Formation of an Oxbow Lake

Oxbow lakes are created where meanders are found on a river's long profile. On a meander bend, the fastest flow of water occurs on the outside bend, causing erosion, whilst the slowest flow is on the inside ...
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Answered by Manon B. • Geography tutor
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Find the gradient of the exponential curve y(x)=(9e^(7x))/(12e^(2x)) at x=2/5

According to the quotient rule, when y(x)=f(x)/g(x), y'(x)=(f'(x)g(x)-g'(x)f(x))/g(x) 2 f(x)=9e 7x f'(x)=63e 7x , g(x)=12e 2x g'(x)=24e 2x y'(x)=(63e 7x .12e 2x -24e 2x .9e 7x )/(12e 2x ) 2 y'(x)=(756e 9x -2...
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Answered by Connor M. • Maths tutor
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What part do the kidneys play in homeostasis?

The kidneys can be split into 5 main sections. Firstly we have the glomerulus. Blood enters the kidneys via the afferent arteriole and then travels to the glomerulus which is just a cluster of capillaries. T...
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Answered by Nicole A. • Biology tutor
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