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- Non linear
Solve system of non linear equations: 3x2-3x-y=-2 -6x2-x-y=-7
- Selling price
Find the selling price. Cost to store: $50 Markup: 10%
- Odd/even number
Pick any number. If that number is even, divide it by 2. If it's odd, multiply it by 3 and add 1. Now repeat the process with your new number. If you keep going, you'll eventually end up at 1. Every time. Prove. ..
- What is one third
What is 1/3 as a decimal? Give your answer rounded to 2 decimal places.
Honza is 13 years old and Peter 21 years old. After how many years are their ages will be at ratio 7: 9?
The first harvester will harvest the grain from the field in 20 hours, the second, the more powerful in 10 hours. How long will take harvest this field by both harvesters, if the second harvester has to be set up first and this takes 2 hours? The first har
Calculate standard deviation for file: 63,65,68,69,69,72,75,76,77,79,79,80,82,83,84,88,90
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