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What is an infinitive?

An infinitive is the basic form of a verb, meaning 'to...' (for example 'to eat' or 'to dance'). In English, infinitives are two words long, whereas in French they are just one word, ending in ' er ', ' re '...
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Answered by Lottie C. • French tutor
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Solve the simultaneous equations equation 1: 2x+3y=4 and equation 2: 5x+6y=7

This question can be solved by many methods but the elimination method is the fastest one in this case. The unknown that will be eliminated is y. Equation 1 is multiplied by 2 to give 4x+6y=8. Since I have c...
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Answered by Marilena P. • Maths tutor
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Rearrange the following equation to make 'm' the subject: 4 (m - 2) = t (5m + 3) [4 marks]

Expand brackets on both sides: 4m − 8 = 5mt + 3t Collect all terms containing 'm' to one side of the equation: 4m − 5mt = 8 + 3t Factorise the terms containing 'm': m (4 − 5t) = 8 + 3t Divide by factorised v...
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Answered by Nadia M. • Maths tutor
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Describe how and explain why vegetable oils are hardened for use in foods. [5 marks]

Hydrogenation is used to add hydrogens to the vegetable oil molecules. This process gets rid of the double bonds in the molecular structure, making the molecules saturated, which lowers the melting point of ...
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Answered by Nadia M. • Chemistry tutor
4282 Views

A ladder 6·8m long is leaning against a wall. The foot of the ladder is 1·5m from the wall. Calculate the distance the ladder reaches up the wall.

We have a right angle triangle in this problem. We can use Pythagoras' theorem - the square of the hypotenuse is equal to the sum of the squares of the other two sides of the right angle triangle . We will d...
MV
Answered by Mohan V. • Maths tutor
4135 Views