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Mathematics, 06.06.2021 14:00 NatsuDDW

See image for question. Please show workings. Sorry for the wobbly writing.

*freq= frequency.​


See image for question. Please show workings.

Sorry for the wobbly writing.*freq= frequency.​

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See image for question. Please show workings. Sorry for the wobbly writing.

*freq= frequ...
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