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Get Full Access to Introductory & Intermediate Algebra For College Students - 4 Edition - Chapter 6.5 - Problem 6.1.593
Get Full Access to Introductory & Intermediate Algebra For College Students - 4 Edition - Chapter 6.5 - Problem 6.1.593

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# Now lets move on to factorizations that may | Ch 6.5 - 58

ISBN: 9780321758941 177

## Solution for problem 6.1.593 Chapter 6.5

Introductory & Intermediate Algebra for College Students | 4th Edition

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Problem 6.1.593

Now lets move on to factorizations that may require two or more techniques. In Exercises 1780, factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. y5 16y

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Chapter 19: Our Galaxy  The Milky Way Revealed o What does our galaxy look like  Dusty and gas obscure our view of the galaxy.  Looks like a disk  100,000 light-years in diameter  Bulge in the middle  Globular Clusters in the halo o Halo is outside the disk  Has spiral arms: different color from bulge o Blueish: bigger, younger stars  Barred Spiral  The bulge is elongated like a bar is in it. o How do stars orbit in our galaxy  Stars in the disk travel in circles with little up and down motions  Halo stars go above the disk randomly  Bulge stars move in random paths  We have a 230 million-year orbit  Orbital Velocity Law  The orbital speed and radius of an object on a circular orbit around the galaxy tells us the mass within that orbit.  Galactic Recycling o How is gas recycled in our galaxy  Star-Gas-Star Cycle n o Wh er dIonization nebulae are found around short-lived high-mass stars  Shows star activity  None in halo, or bugle o No stars being formed  Reflection nebulae scatters the light from stars  Spiral Arms of the galaxy is where most of the star formation takes place  History of the Milky Way o What clues to our galaxy’s history do halo stars hold  Halo Stars are older than our galaxy  Formed first then stopped o Giant cloud makes the halo stars are it contracts.  Center of our galaxy o What lies in the center of our galaxy  Lots of stars orbit around it  We believe it is a black hole  Lots of mass  Invisible  Small Region  See X-ray bursts, but no accretion disk l

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