4 years ago

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Mathematics

1 answer:

max2010maxim [7]4 years ago

8 0

Answer:

1. t > -6 (Graph A)

2. x ≤ −80 (Graph B)

3. b < 13 (Graph C)

Step-by-step explanation:

1. t < 5t + 24

t − 5t < 5t + 24 − 5t

−4t < 24

−4t/−4 < 24/−4

t > −6

2. 5x−9≤4.1x−81

5x - 9 - 4.1x ≤ 4.1x - 81 - 4.1x

0/9x - 9 ≤ -81

0.9x - 9 +9 ≤ -81 + 9

0.9x ≤ -72

0.9/0.9 ≤ -72/-72

x ≤ -80

3. 4b+4(1-b)>b-9

so so and on

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