2. Simultaneous equations
(a) In a system of forces, the relationship between two forces F, and F2 is given by the simultaneous equations:
3(F, + F2) – 0.75 = 0
F,2 + F2 – 1 = 0
Find F, and F2.
c) Explain why the following system of linear equations cannot be solved:
) At a socially distanced concert 100 tickets are sold; the cheaper ones cost£3.50 and the more expensive ones cost £5.50. The total receipts for ticket sales were £500. Find the number of each type of ticket sold.
2а + 4b 3 7
4a² + 16b2 + 16ab = 49
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