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Hey i need help with number 8 and 9 thanks!

Hey i need help with number 8 and 9 thanks!
137k views
5 votes
Hey i need help with number 8 and 9 thanks!

Hey i need help with number 8 and 9 thanks!-example-1
User Matt Fenwick
by
8.1k points

1 Answer

5 votes

Answer:

8 9.8 - 6.4n

9 15 - j/2

Explanation:

8

2.8 - 4.4n - 2n +7

= 2.8+7 -4.4n -2n

= 9.8 - 6.4n

9

11 + (-3) - 1/8 j - 3/8 j +7

= 11 - 3 - 1/8 j - 3/8 j + 7

= 11 - 3 + 7 - 1/8 j - 3/8 j

= 15 - 4/8 j

= 15 - j/2

User Brenden
by
7.7k points
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