exam
Maths Puzzle
Numerical Ability
solve. approximate irrational roots to the nearest tenth.
The difference of the square of a number and the number is 12. find the number.
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exam Other Question
The width of a rectangular box is 4 times its height, and its length is 3 ft more than its height. The volume of the box is 49 ft cube. Find the height of the box.
volume = lwh
49 = (4x)(3+x)(x)
49 = 4x3 +12x2
What steps do I take to solve this problem: 8-25=8+x-21