Mathematics, 20.08.2019 05:30 mikaelalcool1
The number 75 can be expressed as the sum of two or more consecutive positive integers in five different ways. one such sequence begins with 13: 13 + 14 + 15 +16 +17= 75. with what number does each of the four sequences begin?
Answers: 1
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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 90° 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 δ and δ 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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