Mathematics, 24.07.2021 02:20 sandygarcia65
Cho tam giác ABC vuông tại A (AB < AC) đường cao AH a) Chứng minh HBA đồng dạng ABC và AB2 = BH. BC b) Chứng minh HBA đồng dạng HAC và HA2 = HB. HC c) Vẽ HD vuông góc AC tại D. Gọi M là trung điểm AB. Đường thẳng CM cắt AH và HD lần lượt tại I và K. Chứng minh KD = KH và 3 điểm B; I; D th
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The graph of f(x)=|x| is reflected over the y-axis and horizontally compressed by a factor of 1/9. write a formula for function g(x)
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The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.
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Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?
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Cho tam giác ABC vuông tại A (AB < AC) đường cao AH a) Chứng minh HBA đồng dạng ABC và AB2 = BH...
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