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Work out: 0.7 + 3/5

Show 3/5 as a decimal: 0.6 0.7 + 0.6 = 1.3 OR Show 0.7 as a fraction: 7/10 Find a common denominator: 3/5 = 6/107/10 + 6/10 = 13/10 or 1 and 3/10
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Answered by Edward B. • Maths tutor
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Solve the following simultaneous equations: 2x + 2y = 14; 4x - 2y = 10

By Elimination: We can add the equations together because +2y and -2y will cancel out: 2x + 4x = 14 + 10 This gives 6x = 24, so x = 4 We can put x back into one of the simultaneous equations: 2(4) + 2y = 14 ...
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Answered by Edward B. • Maths tutor
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A quadrilateral has a perimeter of 42cm. Three sides have equal length and the fourth side is longer by 6cm. What is the length of the fourth side?

We can call the sides of the equal lengths "x". We can then make an equation to satisfy the relationship between the perimeter and the length of the sides as follows: x + x + x + (x + 6) = 42 There...
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Answered by Edward B. • Maths tutor
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135 is 3/8 of a number. Work out the number.

Divide 135 by 3/8 OR multiply 135 by 8/3 135 * 8/3 = 360 You can do this in steps by starting with: 135/3 = 45, then multiply by 8. OR 135 * 8 = 1080, then divide by 3.
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Answered by Edward B. • Maths tutor
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Compare and contrast direct and structural violence.

This question could be asked as part of the Peace and Conflict unit of the course, either as a short Paper 1 question (in relation to an article) or as an essay question. Students should first understand wha...
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Answered by Omer M. • Politics tutor
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