Mathematics, 13.01.2021 20:10 queenkendra16
What is the value of 7 (x + 4) ^2 - 3x when x =2?
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Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90Β° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that Ξ΄ and Ξ΄ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?
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What is the value of 7 (x + 4) ^2 - 3x when x =2?
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