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Usimov [2.4K]
3 years ago
9

Help! Please. I don’t know what I did wrong.

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0

Answer:

1320, permutation

Step-by-step explanation:

There are 12 members

Pick a president

We have 12 choices

Now there are 11 people left to pick from

now pick a vp

We have 11 choices

Now there are 10 people left to pick from

now pick a secretary

We have 10 choices

12*11*10 = 1320

This is a permutation since it matters who is president, vp and secretary

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Gnoma [55]

Answer:

∠ ABC = 40°

Step-by-step explanation:

the 3 angles lie on a straight line ABE and sum to 180° , that is

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x + 170 = 180 ( subtract 170 from both sides )

x = 10

Then

∠ ABC = 50 - x = 50 - 10 = 40°

4 0
1 year ago
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hjlf

Answer:

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Step-by-step explanation:

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3 years ago
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3 years ago
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