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How do you find the prime factorisation of a large number like 420?

You start by dividing 420 by whichever numbers you know that it is divisible by.

420 is obviously divisible by 10 so you can start with 10 x 42.

Then, you factorise 10 and 10 = 2 x...

AA
Answered by Abisayo A. Maths tutor
3003 Views

How does the Meselson and Stahl Experiment provide evidence for the semi conservative theory of DNA replication?

Before we start on the specifics of the experiment itself we need to understand how DNA replication occurs on a molecular level. DNA is made up of four different bases; A, C, G and T....

JD
Answered by Julia D. Biology tutor
24918 Views

How do you solve the simultaneous equation, 7x – 20 = 3x + 4?

To solve this equation we want to find the value of one unknown, x. The solution will be x = ___. So first we need to put all the terms with x on one side of the =, and all the constants on the other side...

AA
Answered by Abisayo A. Maths tutor
4806 Views

Why do some verbs take avoir and some verbs take être in the perfect tense and how can I remember which ones?

Many methods will tell you that verbs of movement take être in the perfect tense but that's not very helpful, since many verbs of movement do not use “être”, such as “danser (to dance), sauter (to jump), ...

CM
Answered by Ciarán M. French tutor
8859 Views

How do world religions argue for an omnipotent and omnibenevolent God despite of the problem of evil and suffering?

The question asked here is a fundamental argument against the exist of God, known as the Inconsistent Triad. If God is omnibenevolent, then he would not want the people that he loves to suffer. If God is ...

AA
5789 Views

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