algebra helpp Watch

sunrise :-)
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#1
Report Thread starter 8 years ago
#1
Hey, could someone please help me in solving this equation and obtaining the answer m=2


28g×(0.9−0.75)=mg(1.5−0.9)

g=9.8
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lucypengelly92
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#2
Report 8 years ago
#2
0.15*28g=0.6mg
4.2g=0.6mg
g's cancel
4.2=o.6m
m=7

it doesnt equal 2 though..

Hope that helps
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Shadowman786
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#3
Report 8 years ago
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Same. m =/= 2
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sunrise :-)
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#4
Report Thread starter 8 years ago
#4
that is strange, on the question paper it clearly stated that show that m=2
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