exam Maths Puzzle Numerical Ability

write the expression as a single logarithm. 4log x-6log(x+2)

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exam Other Question

One of the equal sides of an isoceles triangle is 3m less than twice its base. The perimeter is 44. Find the lengths of the sides A wooden model galleon is built using a 1:90 scale. The length of the model is 520 millimeters and the height is 615 millimeters. Solve the proportions to find the actual length and height of the galleon.