exam Maths Puzzle Numerical Ability

Find a number such that 1 less than the number divided by the reciprocal of the number is equal to 1. (Leave the answeres in exact form, that is with the square root.)

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exam Other Question

Find the slope of any line perpindicular to the line through points (0,5) and
(-3,-4)
The athletic department at Pi High School is planning a circular track 440 yd long. The area inside the track will be planted with sod.About how many square yards of sod will be ne