Solve the following simultaneous equations: 6j+4k=40; 7j-3k=-7
j = 2, k = 7
CE
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All answers ▸Find a solution for the following simultaneous equations: 2x+y=5 and 2x-5y=2
Dominik hires a satellite phone. His total hire charge is £860. For how many weeks did he hire the phone? (Total hire charge = No. of week X 90 +50)
A man stands 9 metres from the base of a tree. He knows the distance from where he is standing and the top of the tree is 15 metres. How tall is the tree?
Solve x^2+5x+6=0 by factorising