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Answer:
Step-by-step explanation:
1. 21/100
2. 9/100
3. 49/100
hope this helps
Answer:

Step-by-step explanation:
we have

Remember that

and

substitute

Answer:
2.2 or 2.18
Step-by-step explanation:
Answer:
20
√
5
Step-by-step explanation:
1. You'll need to simplify each term. You'll get 32
√
5-12
√
5.
2. After you subtract 12
√
5 from 32
√
5, you'll get 20
√
5.