Translate ench verbal phrase into a mathematical expression and vice versa.
20. 2r - 3s
21. The diameter is twice the radius.
22. A number k added to one-half of itself.
20. 2r - 3s
21. The diameter is twice the radius.
22. A number k added to one-half of itself.
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Answer:
20. The Product of 2 and r decreased by the product of 3 and s
21:
22:
Step-by-step explanation:
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