129 degrees you just add DCE and ECF together
Answer:
The reciprocal of 5 is 1/5. Every number has a reciprocal except for 0. There is nothing you can multiply by 0 to create a product of 1, so it has no reciprocal. Reciprocals are used when dividing fractions.
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Step-by-step explanation:
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Answer:
1. 31/99 2. 215/999 3. 6704/9999