29-04-2020
Mathematics

contestada

a) Here is a number machine.
Input
Output
9
x2
+ 3
Work out the output when the input is 9.
b)
Here is the same number machine.
Input
Output
Work out the input when the output is 17.

Respuesta :

Аноним Аноним

30-04-2020

Answer:

the answer is 3

Step-by-step explanation:

Answer Link

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