The statement is contradictory, because it is said that every member of the family gives a gift to every other member of the family. And from 10 members, there are just 2 exchanging. Anyway, maybe they are only 2 members exchanging the gifts at that point in time.
So, each member will exchange 9 gifts (that is 10 members total minus herself), and 2 members are exchanging gifts at that point, so 18 gifts are being exchanged.
1.44 divided by 16 which is 0.09 and to check answer you take 0.09 and multiply by 15 and you get 1.44
Answer:
Step-by-step explanation:
cos a cos b+sin a sin b=cos (a-b)
cos 160 cos 10+sin 160 sin 10=cos (160-10)
=cos 150
=cos (180-30)
=-cos 30
=-√3/2
we know that
For make jumbo blueberry muffins is needed teaspoons of baking powder
So
by proportion
teaspoons of baking powder
therefore
the answer is
teaspoons of baking powder
Please, write it in english so i can actually understand it,,, Gracias;)