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Mathematics 9 Online
OpenStudy (anonymous):

On a given planet, the weight of an object varies directly with the mass of an object, where mass is 6 kg weighs 30n

OpenStudy (anonymous):

Calculate the mass of another oject that weighs 20 N. Please help! :(

OpenStudy (dtan5457):

This is like direct variation. Your equation would be 6=30n solve for n. You plug that in and you get the value back to m=20/5

OpenStudy (phi):

Have you learned about direct variation ?

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