The mean weight of 25 student in a class is 58kg. The mean weight of a class of 29 students is 62kg. Find the mean weight of all
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
it can be simplified to . if you multiply each side by the denominator, it becomes
since
and cotan is the reciprocal of that. Because
so multiplying each side gives
, and
is equal to 1.
Answer:
<em>Graph below</em>
Step-by-step explanation:
<u>Transformations</u>
Triangle ABC has coordinates A=(-4,2) B=(-2,6) C=(3,2)
We'll use the transformation (x,y) -> (2x, y+3) to map it to the triangle A'B'C'. Let's calculate the coordinates:
A'=(-8,5)
B'=(-4,9)
C'=(6,5)
The image below shows both triangles in the same grid
