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15-11-2020
Mathematics

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is this all correct?

is this all correct class=

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20kellye 20kellye

15-11-2020

Answer:

No

Step-by-step explanation:

11. Correct

11a. a is the number of accessories bought

12. 32 = 3.5a + 25

7 = 3.5a

a = 2

12a. cost of the bear

13. correct

13a. f(-1)=8

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