queenkimm26
08.10.2021 •
Mathematics
Translate the sentence into an equation or formula. The density D of an object is the quotient of its mass m and its volume v.
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Ответ:
D
Step-by-step explanation:
The perimeter of a rectangle is found using P=2l+2w. For this reactangle, l=3x since its 3 times the width. The width is just x.
Then the perimeter is P = 2*3x+2*x = 6x+2x=8x.
Answer D is the correct choice since x+3x+x+x+3x = 8x.