I dont know, im working it out now, or im trying to
Answer:
0.4
Step-by-step explanation:
If the ratio of boys to girls in a class is 2:3, then
- there are 2x boys;
- there are 3x girls.
If there are 18 girls in the class, then
Thus, there are
- boys;
- girls;
- students in total.
The probability of a boy being in the class is
Divide the irregular figure into rectangles
Area of rectangle = l * w
4 * 5 = 20 in^2
5 * 12 = 60 in^2
7 * 11 = 77 in^2
Add them together
20 + 60 + 77 = 157 in^2
(Sorry if the picture isn’t neat)
Answer:
t0 = 2
Step-by-step explanation:
r' = <5cost,-5sint,12>
ds = dt
So, we want
241 + 800 = 1041
247 + 794 = 1041