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Colten Gottlieb

Lvl 10
3y ago
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15y ago

1) a * b = 48 2) a - b = 20 from 2) we can get a = 20 + b, inserting this into 1) gives (20 + b) * b = 48 which equals b2 + 20b - 48 = 0 Solving for b gives two possible values 2.16553 and -22.16553 (or more exact, -10 +- (148)1/2), assuming that the task is to find distances or similar, a negative solution is not possible and only 2.16553 is valid. if b = 2.16553 then by using 2) a = 22.16553 Testing the values: a * b = 2.16553 * 22.16553 = 47.99962 (error due to rounding of decimals) a - b = 22.16553 - 2.16553 = 20

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Q: What two numbers if you multiply equal 48 but when you subtract equal 20?
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