Answ 1. Lea's scores on the three quizzes were 79, 82 and 93. What must be her lowest score on the next quiz in order to have an average of at least 85? 2. Two sides of a triangle has equal length. The third side is 15 cm longer than each of the other sides. The perimeter is no less than 105 cm. At least how long are the sides of the triangle?
Answ 1. Lea's scores on the three quizzes were 79, 82 and 93. What must be her lowest score on the next quiz in order to have an average of at least 85? 2. Two sides of a triangle has equal length. The third side is 15 cm longer than each of the other sides. The perimeter is no less than 105 cm. At least how long are the sides of the triangle?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section: Chapter Questions
Problem 12T
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