Mathematics, 30.07.2020 04:01 rose8969
A national survey of 1000 adult citizens of a nation found that 25% dreaded Valentine's Day. The margin of error for the survey was 3.6 percentage points with 90% confidence. Explain what this means.
Answers: 3
Mathematics, 21.06.2019 18:30
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?
Answers: 2
Mathematics, 21.06.2019 20:40
David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.
Answers: 1
Mathematics, 22.06.2019 00:00
Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense
Answers: 2
A national survey of 1000 adult citizens of a nation found that 25% dreaded Valentine's Day. The mar...
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