3 years ago

The volume of the polyhedron is ______ cm3.

Mathematics

1 answer:

Dimas [21]3 years ago

7 0

The volume of the polyhedron is 24cm3

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Y=6/13X is a proportional relationship

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at a country concert,the ratio of number of the Boys to the number of girls is 2:7 if there are 250 more girls than boys how man

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Ratio is a fraction, so ratio of boys to girls would be written as [let boys be "b" and girls be "g"]:

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Also, there are 250 more girls than boys, so we can write:

g = 250 + b

Lets substitute this into "g" of the ratio we wrote and cross mulitply and solve for b:

$\frac{b}{g}=\frac{2}{7}\\\frac{b}{250+b}=\frac{2}{7}\\7b=2(250+b)\\7b=500+2b\\5b=500\\b=\frac{500}{5}=100$

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