Answer:
hiiii i total can help im doing this in school
Step-by-step explanation:
D
80=x+3x
80=4x
20=x
There are 20 girls.
Answer:
8.6 cm
Step-by-step explanation:
V=pi r-squared h
diameter of 10 means radius of 5
675.1=3.14x5x5xh
675.1=78.5h
8.6
Ok so given the point (r, theta)
The corresponding Cartesian point is (r*sin(theta), r* cos(theta)) you can think about this by analyzing the points on a unit circle which is a graph of a polar circle with radius 1 and angle theta
1/9 on a calculator is 0.11111111
