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(a) show that 3/10 + 2/15 = 13/30 (b) show that 2 5/8 ÷ 1 1/6 = 2 1/4

(a) In order to add or subtract any fractions, they must first have a common denominator. For this example, I will take this to be 30. Looking at 3/10: in order to change the denomintor to 30, we must multip...
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Answered by Florence H. • Maths tutor
7835 Views

How do one tailed and two tailed hypothesis tests differ

A one tailed test is when you are testing specifically for an increase or decrease- eg whether the probability of a person buying a product has INCREASED after a marketing change A two tailed test is when yo...
KG
Answered by Katie G. • Maths tutor
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Find the maximum point of the curve from its given equation: [...]

Firstly you would have to differentiate the equation to find the expression that describes the rate of change of the parameters relative to each other using the standard differentiation method. This involves...
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Answered by Merry S. • Maths tutor
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How do I divide fractions?

If you have a fraction divided by another fractions things can get tricky, but there is an easy way to avoid getting triple decker fractions! Have a look at this example: (1/2) / (2/5) = (1/2) x (5/2) = (5/4...
MR
Answered by Molly R. • Maths tutor
3698 Views

solve the following equation: 7x + 8 = 2(6x -2)

first of all it is best to get rid of the brackets. You do this by times each component in the bracet by the number on the outside in this case it is 2. 7x + 8 = 12x - 4 then you want to get all the x's on o...
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Answered by Kay B. • Maths tutor
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