What phrase describes an unknown or changeable quantity. A. 2 times the number of pages. B. 15 years of schooling. C. 60 seconds multiplied

Question

What phrase describes an unknown or changeable quantity. A. 2 times the number of pages. B. 15 years of schooling. C. 60 seconds multiplied by 5. D. 3 dollars and 76 cents.

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Edana Edana 5 years 2021-07-16T03:58:01+00:00 1 Answers 122 views 0

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  1. Amity
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    2021-07-16T03:59:22+00:00
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    Answer:

    A. 2 times the number of pages.

    Step-by-step explanation:

    We do not know the number of pages in A. 2 times the number of pages.

    We know the number of years of schooling the number of seconds and the number of dollars and cents

    B. 15 years of schooling. C. 60 seconds multiplied by 5. D. 3 dollars and 76 cents.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )