I'm pretty sure that 20 students would be the answer
Answer:
1) If the order doesn't matter, there are 36 possible outcomes.
2) If the order does matter, there are 181,440 possible outcomes.
Step-by-step explanation:
1) In the case when the order doesn't matter , we have to calculate a combination of 7 screws in 9 holes.
We use the formula for combinations:
being r: the number of screws and n: the number of holes.
2) When the order does matter, the possible outcomes are called permutations. We have permutations of 7 screws in 9 holes.
We use the formula for permutations:
Answer:
D. Ant
Step-by-step explanation:
To find the speed in meters per minute, divide meters by minutes:
turtle: 6/5
snail: 4/8 = 1/2
caterpillar: 7/7 = 1
ant: 12/8 = 3/2 = 1.5
The ant traveled at a rate of 1.5 meters per minute.
Answer:
54
Step-by-step explanation:
divide 4 by 12 which gets 3 then times 3 by 18