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2 February, 17:55

Evaluate for the given values of the variables.

#17. 8 + 3n for n = 6

#18. (8 + 3) n for n = 6

#19. 90 - 4d for d = 3

#20. 7x + 2y for x = 15, y = 20

#21. sbt. for a = 2. b = 4

#22. 2 + 5x second power. for x = 4

#23. 2 + (5x) second power. for x = 4

#24. (2 + 5x) second power. for x = 4

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Answers (1)
  1. 2 February, 18:54
    0
    17) 26

    18) 66

    19) 78

    20) 145

    Step-by-step explanation:

    #17) 8 + 3n for n = 6

    8 + 3 * (6)

    8 + 18 = 26

    #18) (8 + 3) n for n = 6

    (8 + 3) * 6

    (11) * 6 = 66

    #19) 90 - 4d for d = 3

    90 - 4 * (3)

    90 - 12 = 78

    #20) 7x + 2y for x = 15, y = 20

    7 * (15) + 2 * (20) = 145
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