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Asses the arguments that support the theory of party decline

Parties are unable to organise government to deliver a political programme –Decreasingly valid, as party control in Congress has strengthenedPressure groups have taken over the role of parties in financin...

Answered by Saif U. • Politics tutor

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Explain what phototropism is and why plants might benefit from positive phototropism.

Phototropism is a growth response to a light stimulus.Positive phototropism causes the stems of plants to grow towards a light source causing the leaves of the plant to be pointing towards the lgth source...

Answered by Rachel S. • Biology tutor

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Explain the difference between covalent and ionic bonding.

In covalent bonding 2 or more atoms share electron in their outter shells to give them all full outer shells. In ionic bonding one atom donates one or more electons to another atom, the donating atom beco...

Answered by Rachel S. • Chemistry tutor

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ABCD is a regular paralleogram, A=(2,1) B=(7,2) and C=(4,6), work out the gradient of the line CD and then work out the area of ABCD.

As its a parallelogram the gradient of CD will be the same as the gradient of AB so you just need to work out the gradient of AB using the formula (y₂-y₁)/(x₂-x₁

Answered by Rachel S. • Maths tutor

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Differentiate arctan(x) with respect to x

We can set arctan(x) = y. Remember that arctan(x) is the inverse of tan(x), so we can take the tangent of both sides to give: tan(arctan(x)) = x = tan(y). Tan(x) has the standard derivative of sec^2(x) (w...

Answered by Sofya E. • Further Mathematics tutor

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