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x=8
3(2x + 9) − 7x = 4(x + 3)so 6x + 27 -7x = 4x + 12so 27 - 12 = 5xso 15 = 5xso x=5taken from The Haberdashers' Aske's Boys’ SchoolElstree, Herts 13+ Entrance Examination 2016
This is an important area of metabolic biology to understand. In non-diabetics, your blood sugar levels should be between 3.9 and 7.1 mmol/L (the unit shows that this is a concentration as it is ho...
Think Sir Paul McCartney. (SPM) The S symbolises the square in the first section, the PKHAnswered by Keighley H. • Maths tutor1503 Views
mean: add 4,7,9,10 and 10.This gives us 40divide 40 by 5, as we have 5 numbers.40/5= 8therefore mean =8median... if we put all the numbers in an order.. middle number- 9mode- MOde- MOst common...
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