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allochka39001 [22]
3 years ago
12

suppose we want to choose 2 letters without replacement,from the 4 letters A,B,C,and D (a) how many ways can this be done,if the

order of the choices matters? (b) how many ways can this be done if the order of the choices does not matter?​
Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer:

its a just trust  me

Step-by-step explanation:

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The answer from the question above is the following.

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What is the sum of -1/2 and 8/6 please help
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Answer is C or 5/6
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3 years ago
Please help asap 30 pts
tatiyna
B. By solving for x, you get x=8.39,x=-2.39.
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4 years ago
six angles of a heptagon measure 107, 139, 131, 110, 145. and 128. what is the measure of the seventh angle​
alexgriva [62]

the measure is 140, I basically summed all of the angles of a polygon of “n”, which is 7, then I did 7-2 times 180 (900) so I can finally add up all of your measurements

3 0
3 years ago
Please help with these 2 answers i only have 10 minutes left
natta225 [31]

Answer:

  1. 1/4 of a pound
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Step-by-step explanation:

For number 1:

  1. 3/4 ÷ 3 = 0.25
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For number 2:

  1. 4/5 ÷ 3 = 4/15

I hope this helps!

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