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Answered

Pasagot po salamat.​

Pasagot Po Salamat class=

Sagot :

COSMIC23GO

Answer:

8.) 400 m/s

9.) 12 Hz

10.) 9 m

Explanation:

Solution;

8.) 40 Hz X 10m =400

9.) 240 ÷ 20 = 12

10.) 45÷5 = 9

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