37.5 km is equal to 15 cm
Answer:

Step-by-step explanation:

Expand the brackets.

Add -9x and 5x

Add 4x and 6x on both sides.

Add the like terms.

Divide 12 into both sides.


Divide the number of blocks by number of people
In this case 5/6 = 0.83 blocks or each person will get 0.83 or 5/6 of a block
Remember that cos is just a translation of sin and vice versa.
So:
Sin(x) = Cos(90 - x)
Cos(x) = Sin(90 - x)
Therefore, to answer your question:
Cos(19) = Sin(90 - 19)
= Sin(71)
Answer: -2
Step-by-step explanation:-2