Math, asked by eez28, 11 months ago

plzz solve it's urgent

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Answered by hihihihi10

1

Answer:

a) 15 to 20 year

b) can't understand these two question

d) 10 to 15 year

Answered by natasha645

3

Answer:

15 to 20
i dont know
lowest frequency is 320
10 to 15

I hope it will help you

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