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Mostafa
Questions (4)
A number is a common multiple of 7 and 11. It is the least such number with a sun of its digits equal to 11. Find the number.
1 answer
288 views
a car pulling two trailers accelerates from 10m/s to 12m/s in 10s. if the masses of the car and the trailers are respectively
2 answers
553 views
a 2000kg car travelling west with a speed of 20m/s collides at an intersection with a 3000kg car travelling south at a speed of
1 answer
831 views
Related Rates Problem
An isosceles triangle with a base of 20root3 cm long. If the length of the leg decreases at rate 3 cm/h,
0 answers
722 views
