Answer:
There are a lot of turning point in the history of algebra one of those is the discovery of the plain and the quadrants by Rene Descartes. This discovery paved way to a lot of knowledge which was later on use in solving other complicated mathematical problems.
Step-by-step explanation:
(7*4 + 14*1)/(7+14) = 42/21 = $2/ kg of mixture;
2 +5 = 7 total balls.
!st one being white = 5/7
2nd one being white = 4/6 = 2/3
Chance of both being white = 5/7 x 2/3 = 10/21
Answer:
75 feet
Step-by-step explanation:
the shadow to the object would be a 4:5 ratio
since the shadow of the flagpole is 60 ft,
4x=60 so x would =15
then you multiply 15 by 5 and end up with 75
