Mathematics, 17.10.2020 14:01, noahslambeenie359

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answered: guzmanbrandon3259

(5) D (6) D (7) B (8) B (9) C

Step-by-step explanation:

5) 2 - 3n < 17 and 6n + 4 < 58

-2 -2 -4 -4

-3n < 15 6n < 54

÷ -3 ↓ ÷ -3 ÷6 ÷6

n > -5 and n < 9

-5 < n < 9

6) 6x + 5 > -49 and 7 - 4x ≥ -21

-5 -5 -7 -7

6x > -54 -4x ≥ -28

÷6 ÷6 ÷ -4 ↓ ÷ -4

x > -9 and x ≤ 7

-9 < x ≤ 7

7) -69 ≤ 6x - 9 ≤ -45

+9 +9 +9

-60 ≤ 6x ≤ -36

÷6 ÷6 ÷6

-10 ≤ x ≤ -6

8) -93 ≤ 9n - 3 < -84

+3 +3 +3

-90 ≤ 9n < -81

÷9 ÷9 ÷9

-10 ≤ n < -9

9) 4k - 6 ≤ -6 + 6k or -3k - 5 ≥ -2k + 10

-6k -6k +2k +2k

-2k - 6 ≤ -6 -k - 5 ≥ 10

+6 +6 +5 +5

-2k ≤ 0 -k ≥ 15

÷ -2 ↓ ÷ -2 ÷ -1 ↓ ÷ -1

k ≥ 0 or k ≤ -15

answered: Guest

c-4 is the final answer! : )

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answered: Guest

could

step-by-step explanation:

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