M is directly proportional to r3 When r=4 M=160 a Work out the value of M when r=2 b Work out the value of r when M=540

Question
M is directly proportional to r3 When r=4 M=160 a Work out the value of M when r=2 b Work out the value of r when M=540
Answer:
M is directly proportional to r3 When r=4 M=160 a Work out the value of M when r=2 b Work out the value of r when M=540 651057a2a8be9.webp
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algebra 11 months ago 7403