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Maths Puzzle
Numerical Ability
Diameter of a circle. If the diameter of a circle is 1.3 X 10^-12 meters, then what is its radius?
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A chemist needs 70 milliliters of a 41% solution but has only 21% and 56% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
How would you graph this. x-intercept= (0,0), (-4.58,0), (-11.4,0)
y- intercept= (0,0)