exam Maths Puzzle Numerical Ability

ln(x)+ln(x+4)=ln(5)

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exam Other Question

a)If each interior angle of a regular polygon is 150 degrees,it has___sides.
b)If each interior angle of a regular polygon is 162 degrees,it has___sides.

Please help me. I'm ho
Sorry I cant seem to figure this out
SOLVE FOR X

0.4x+0.24(x-5)=0.08


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