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Solve the Simultaneous equations 4x - y = 8 and x + y = 12

One basic method used here, when you have an equation and you add, subtract, multiply or divide one side of the equation from the equal sign, you must add, subtract, multiply or divide by the same value o...

Answered by Cameron E. • Maths tutor

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Explain the process of mitosis.

Mitosis is a process that is normally explained in four stages - prophase, metaphase, anaphase and telophase. In prophase, the chromosomes condense and clump together in the middle of the...

Answered by Megan L. • Biology tutor

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How do I translate an ablative absolute construction? e.g. his rebus factis

Ablative absolutes are notoriously tricky to translate, mainly because there isn't really an equivalent construction in English. These phrases are made up of a noun and a participle, both in the ablative ...

Answered by Ellen S. • Latin tutor

2976 Views

In a stack of CDs, there are 3 types: Rock, Pop and Jazz. There are 2 Rock CDs, x Pop CDs, and (2x+5) Jazz CDs. A CD is chosen at random. If the probability it is Rock is 1/20, work out the probability it is Jazz.

Number of Rock CDs = 2Total Number of CDs = 2 + x + (2x+5) = 3x + 7Probability of Rock CD = 2/(3x + 7) = 1/202/(3x + 7) = 1/2040 = 3x + 7x = 11Number of Jazz CDs = 2x + 5 = 27Total Number of CDs = 3x + 7 ...

Answered by Vinh L. • Maths tutor

3174 Views

What are the main differences in composition of blood taken from an artery to blood taken from a vein?

An artery which principally supplies cells metabolism would contain more of the 'fuels' required such as oxygen and glucose. A vein typically carries blood containing the waste products of metabolism and ...

Answered by Tegen W. • Biology tutor

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