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Jungsangshinp3vcl2go
Answered

the mass of a rectangular sheet of wood varies jointly as the length and the width when the length is 20 cm and the width is 10 cm the mass is 200 grams find the mass when the length is 22 cm and the width is 14 cm​

Sagot :

Maryjoyruiles28go

Answer:

308 grams

Step by step solution:

Let m = mass

l = length

w = width

k = constant of proportionality

m = kwl

200 grams = (20 cm)(10cm)k

k = 1 grams/cm^2

m = (1 g/cm^2)(22 cm)(14 cm)

m = 308 grams

Hope this helps!

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