Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set: 64

Answer

478 thousand

Work Step by Step

$t=0.3x^2+12x+118=0.3(20^2)+12(20)+118=0.3(400)+240+118=120+358=478$
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