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Alex
3 years ago
6

after 4 new students joined a class,the class had 32 students.Which equation can be used to find n,the number of students in the

class before the 4 new students joined
Mathematics
1 answer:
OLEGan [10]3 years ago
7 0
Answer....
The answer is
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Answer:

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Step-by-step explanation:

With a single application of the Law of Cosines, you can only find one of an unknown side or an unknown angle. The other three elements in the 4-variable equation must be specified.

However, a single application of the LoC can be used to find DE. Then, knowing the three sides, either of the unknown angles can be found from an additional application of the LoC.

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3 years ago
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Answer:

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