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Ann wants to buy a coffee machine. She knows, that during the holidays, the probability of a discount of more than 10% is 0.87,
1. 0 answers
2. 535 views
In how many ways can 6 people be selected from 7 men and 8 women if the selection must have a majority of women?
1. 2 answers
2. 978 views
The surface area of a sphere with radius R can be calculated using the formula S=4π·r^2. Write a formula showing r’s
1. 3 answers
2. 4,201 views
A plane, diving with constant speed at an angle of 52.0° with the vertical, releases a projectile at an altitude of 790 m. The
1. 1 answer
2. 805 views

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