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What are the two roots of the equation y=x^2+5x+6?

A root of a function is where the function equals zero. So to begin to solve we must set the function to equal zero.x^2-5x+6 = 0If the question didn't make it clear already, you should be able to identify th...
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Answered by Niamh M. • Maths tutor
4784 Views

How do you say the sentence 'She goes on holiday to France' in the present, future and perfect tenses?

The first thing to figure out is the vocabulary you're going to need to say this. We need the phrase 'in Urlaub fahren' to say 'go on holiday' and the word for France, which is 'Frankreich'.For the present t...
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Answered by Maxim C. • German tutor
3057 Views

A boy with a mass of 50kg is sitting on a seesaw. He is sitting 2m from the pivot. He has a friend who weighs 40kg, how far away from the pivot must she sit to balance the seesaw? (gravitational accelleration (g) = 10m/s2)

This is a question relating to turning forces, known as moments . For the seesaw to be balanced the moment caused by the 50kg boy must be equal and opposite to the moment caused by the 40kg girl. A moment is...
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Answered by Sam G. • Physics tutor
22494 Views

Describe the process of therapeutic cloning.

Therapeutic cloning produces stem cells which are genetically identical to the parent cell. Nucleus is removed and discarded from the donor egg cell = enucleated egg. Nucleus is removed from the patient's ce...
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Answered by Ottilie W. • Biology tutor
27280 Views

Samuel had 3 piles of coins, I, II and III. Altogether there was 72p. Pile II had twice as much as pile I. Pile III had three times as much as pile II. How much money was in Pile III?

First let coins in pile I equal x. Then we the question tells us II has twice pile A so we can now write this as 2x. Finally, we can write pile III as 6x - reason is that III has three times pile II which is...
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Answered by Syed R. • Maths tutor
3424 Views