Top answers

What does an organism use energy from respiration for?

In all organisms, allows creation of bigger molecules from smaller ones In animals, enables muscle contraction In some animals (mammals and birds), provides heat to maintain a constant body temperature In pl...
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Answered by Bertie H. • Biology tutor
10517 Views

Find all positive integers n such that 12n-119 and 75n-539 are both perfect squares. Let N be the sum of all possible values of n. Find N.

Let 75n - 539 = l^2 and 12n - 119 = k^2 . where n is a natural number. Multiply 75n - 539 = l^2 by 4 to give 300n - 2156 =4l^2 and 12n - 119 = k^2 by 25 to give 300n - 2975 = 25k^2. Subtract the two new expr...
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Answered by Soham K. • STEP tutor
8934 Views

How can I recognise transitive and intransitive verbs?

When reading, there are two main telling signs to look for: 1) An intransitive verb always takes the particle "ga" . For a transitive verb, "wa" will be used almost exclusively, unless &q...
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Answered by Andrew B. • Japanese tutor
2707 Views

How do you do integration by parts?

When you see a complicated product, split it into the form u.v', where u and v' are algebraic expressions such as x^2. You can then use the formula: uv'=uv-integral(vu') which you would take between any limi...
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Answered by Andrew B. • Maths tutor
3506 Views

Using examples, explain the reasons why rural-urban migration occurs.

Rural-urban migration - the movement of indivdiuals from rural to urban areas - is the product of a plethora of push and pull factors, as exhibited by Lee's push-pull theory. Migration from rural to urban Br...
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Answered by Edward H. • Geography tutor
35138 Views