Answer:
4 ways of choosing
Step-by-step explanation:
If you want to choose 3 objects, without replacement, from the 4 objects which are distinct, then permutation i.e then their arrangement doesn't really matter. Only their combination will be considered
That means, order of choosing doesn't matter,
pencil/ eraser/ desk will be same as eraser/ desk/ pencil.
Number of ways of selecting 3 objects out of 4 distinct objects is:
⁴C₃ = 
⁴C₃ = 
⁴C₃ = 4
So, there are 4 ways of choosing
Answer:
√{121×11×11}=√(11²×11²)=±11²=±121
75 inches / 33 inches : 1,250 / shadow
75 * shadow = 33 * 1,250
shadow = 41,250 / 75
shadow = 550 feet
Answer: 1372in
Step-by-step explanation: To find the unit rate, divide 980 by 5 and get 196. Then to find your answer, multiply 196 by 7min to get your answer 1372in.