What is the density of a metal with a mass of 450 grams and a volume of 5 cubic centimeters? 3
A. 50g/cm
3
B. 90g/cm
3
C. 150g/cm
3
D. 225g/cm

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Ответ:

gioc3948

25.07.2020

Mathematics

Step-by-step explanation:

This trapezoid has two equal sides so the angles x+30 and 3x-30 have the same size

x+30 = 3x-30

30 = 3x-x-30

30= 2x-30

30+30 = 2x

60= 2x

x = 60/2

x= 30

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What is the density of a metal with a mass of 450 grams and a volume of 5 cubic centimeters? 3 A. 50g/cm 3 B. 90g/cm 3 C. 150g/cm 3 D. 225g/cm