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PSYCHO15rus [73]
3 years ago
11

5-12 please it’s due in half an hour

Mathematics
2 answers:
Ber [7]3 years ago
8 0
The answer to number 5 is 128
iren2701 [21]3 years ago
7 0

Answer:

5) 128

6)-72

7)45

8)3xy2-3

9) 16/9

10) 40000

11)-8

12)21

Step-by-step explanation:

hope this helps

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Step-by-step explanation:

Case 1 :

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Case 2 :

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x = 2 -  \frac{2y}{3}  \\ x = 2 -  \frac{2 \times 1.63}{3}  \\ x = 2 - 1.087 \\ x = 0.913

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Julli [10]

Answer:

C

Step-by-step explanation:

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