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In a chess club, there are x boys and y girls. If 5 more boys and 8 more girls join, there would be half as many boys as girls. Show that y = 2x + 2

Let:x = number of boysy = number of girlstherefore 2(x+5) = (y+8)2x + 10 = y - 8y = 2x + 2

BS
Answered by Bethany S. Maths tutor
4952 Views

Why is turnout lower for 18-25 year olds than other age groups?

There are a few reasons voting behaviour trends show lower turnout for younger generations. Younger voters do not experience the same degree of social class ties to political parties, for example working ...

EC
2430 Views

How do I know if triangle ABC contains a right angle? (where AB=10cm, BC= 8cm, CA= 6cm)

When using Pythagoras' theorem, the hypotenuse squared should equal the square of the other two sides added together, so (a2=b2+c2). We also know that for Pythagoras' theo...

SE
Answered by Sophia E. Maths tutor
3729 Views

How does Seamus Heaney present 'childhood optimism' in the Poem 'Blackberry Picking'?

Seamus Heaney uses the extended metaphor of blackberry picking in order to depict the wilting of childhood optimism. He considers the initial excitement of picking the first blackberries to be joyous and ...

JS
Answered by Joseph S. English tutor
7574 Views

A quadratic curve intersects the axes at (–3, 0), (3, 0) and (0, 18). Work out the equation of the curve

Using the equation y = ax2 + bx + cCreate 3 separate equations:-a(3)2 + b(3) + 18 = 0 -a(-3)2 + b(-3) + 18 = 0
-9a+3b = -18-9a - 3b = -18
add the equations:-9a-9...

SS
Answered by Stanley S. Maths tutor
8484 Views

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