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Who was Rivka in the book the devils arithmetic?
Rivka was a little girl who had no parents or family with her, They all were exterminated in death and concentration camps. Rivka has been in the work camps for 1 year and she helps Chaya and her friends survive by giving them tips on what to do and not do. Without Rivka Chaya would have never survived.
What are the positive and negative effects of water?
Water hydrates your body helps you focus... and keeps you alive.. you need it.. it's one of the most essential things on Earth for humans, negative effects would be.. if you drink too much your blood will get diluted and that isn't too good for you... also you could drown in it.. Water is colourless, odourless and tasteless.. but we need it to survive
How is trigonometry helpful?
Trigonometry is helpful in many fields of geometry and a few of them are:- It helps to identify different types of triangles It helps to work out the sides and interior angles of triangles It helps to work out the properties of polygons It helps to work out the properties of a right angle triangle with Pythagoras' theorem It helps with navigating and working out distances
What is the use of HCF and LCM?
The HCF helps when reducing fractions. The LCM helps when adding or subtracting fractions.
What are the importance of statistics to a businessman?
1.It helps in market research. 2.It helps to take stock control.
