Word Problem - College Alg

Algebra
Tutor: None Selected Time limit: 1 Day

For each planet in a solar system its year is the time it takes the planet to revolve around the center star. The formulae E=0.2x^3/2 models the number of Earth days in a planet's year, E, where x is the average distance of the planet from the center star, in millions of kilometers. There are approximately 224.8 Earth days in the year of Planet B. What is the average distance of Planet B from the center star? (in million kilometers)

May 30th, 2015

E=0.2x^3/2 where x is the average distance of the planet from  center star

224.8=0.2x^3/2

log224.8=1.5log2x

2.352=1.5 x 0.3010x

x=2.352/91.5 x 0.3010)

=5.209

May 30th, 2015

it states substite the given value into the formulae and solve for X

May 30th, 2015

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