Mathematics, 18.06.2021 01:10 abbz13
Lớp 12a có 40 học sinh, trong đó có 25 học sinh nam và 15 học sinh nữ. Hỏi có bao nhiêu cách chọn ra một nhóm gồm 5 học sinh nữ
Answers: 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 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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Mathematics, 21.06.2019 23:50
The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation
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Lớp 12a có 40 học sinh, trong đó có 25 học sinh nam và 15 học sinh nữ. Hỏi có bao nhiêu cách chọn ra...
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