exam Maths Puzzle Numerical Ability

Solve. x^2 + 6 = 42

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exam Other Question

Two circles are centered at A, as shown below, have radii of 6 cm and 8 cm. Find the length of BC Help please.

Use formula from example 7 and find the periods of pendulums of lenghts 2 feet, 3 feet, and 4.5 feet. Express your answer to the nearest tenth of a second.

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