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SOVA2 [1]
3 years ago
14

Help me with questions 5 6 and 7! I will mark brainliest.

Mathematics
1 answer:
Leviafan [203]3 years ago
7 0

Answer:

5) a=79º b=101º  

Step-by-step explanation:

I am not entirely sure but I hope it helps! I'm sorry I only know number 5.

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Step-by-step explanation:

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3 years ago
A 20-person fraternity is making their weekend plans around 5 different parties in IV. Each brother will attend exactly one of t
skad [1K]

Answer:

3876

Step-by-step explanation:

Given the following :

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They are to attend 5 different parties in groups of 4

Meaning a group = 4 persons

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Then, exactly one brother at a party (20 - 1) = 19, since they are indistinguishable.

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From: nCr = n! /(n-r)! r!

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3 0
3 years ago
Which is the best approximation for the value 140
zzz [600]
140 is a composite number. Factor pairs: 140 = 1 x 140, 2 x 70, 4 x 35, 5 x 28, 7 x 20, 10 x 14. Factors of 140: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. Prime factorization: 140 = 2 x 2 x 5 x 7, which can also be written 140 = 2² x 5 x 7
4 0
3 years ago
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