Top answers

How do you find the tangent of an angle in a right-angled triangle?

Divide the length of the opposite side by the length of the adjacent side
LW
Answered by Lydia W. • Maths tutor
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How to work out a fraction of an amount?

The key rule is to divide the amount by the denominator and multiply by the nominator. E.g: 3/5 of 45£ divide by the denominator 45/5=9 multiply by the nominator 9*3=27
AB
Answered by Augustina B. • Maths tutor
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Given: h=3t^2, work out the value of h when t=5.

We have been told that t = 5 in this particular question. So our first step is to simply 'swap out' the t in the above equation for the number 5, as we have been told they mean the same thing. This gives us:...
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Answered by Alexander D. • Maths tutor
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Solve the following simultaenous equations

6a + 3b = 7 (1) 4a + 4b = 12 (2) We need to eliminate one of the variables in our simultaneous equations in order to be able to find a numerical value. As the same signs are used in both equations (i.e. addi...
MJ
Answered by Millie J. • Maths tutor
4153 Views

Solve the simultaneous equations; 3x+2y=11 and 2x-2y=14

2y=11-3x and 2y=2x-14 11-3x=2x-14 25=5x thus x=5 3(5) +2y=11 2y=-4 thus y=-2
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Answered by Harrie S. • Maths tutor
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