Answer:
these are notes i wrote in geometry I'm not sure if this will help. it's been a few months since i did this
Answer:
800
Step-by-step explanation:
ROund 39 to 40 and 18 to 20.
This results in 40 x 20=800.
Answer: angle 7 = 80 degree and angle 8 = 100 degree
Answer:
755,160 ways
Explanation:
We're told that 31 cars are in a race.
Considering the order in which the cars can finish in the top 4 positions, any of the 31 cars can finish in the first position, any of the remaining 30 cars can finish in the second position, any of the remaining 29 cars can finish in the third position and any of the remaining 28 cars can finish in the fourth position, so the different numbers of ways can be determined as seen below;