請問這一題要怎麼寫？

11. (C) 某消費者同時消費x,y,z三種財貨, 其邊際效用如右表,設該消費者所得為10 元,x、y、z 的單位價格依次為3元、2元、 1元,則消費者獲得最大滿足時的總效用為 (A) 120 (B) 110 (C) 105 (D) 100 數量 X邊際效用 Y邊際效用 Z邊際效用 1 30 22 12 2 26 20 11 3 22 17 10 4 18 12 8 5 10 8 3

想問這題怎麼算

28. A trough is 6 m long and its ends have the shape of isos- celes triangles that are 1 m across at the top and have a height of 50 cm. If the trough is being filled with water at a rate of 1.2 m³/min, how fast is the water level rising when the water is 30 centimeters deep? goal: dh dt

這題要怎麼得出答案？

45. 下表為A與B兩國每天生產商品 1單位 X 與1單位Y 所需的勞動投 入量。若貿易後兩國均獲利,則 X 之於 Y 的國際相對價格可能為 X Y A B 14 63 a. 1. b. 2. c. 3. d. 6. 答:A

想問這題要怎麼算🙇‍♀️

37. Consider a sample with a mean of 30 and a standard deviation of 5. Use Chebyshev's theorem to determine the percentage of the data within each of the ranges which follow. LO 5 a. 20 to 40 b. 15 to 45 c. 22 to 38 d. 18 to 42 e. 12 to 48

想詢問各位這三題如何解，向老師詢問還是不太懂，想求救各位大神

壹、以IUPAC法用中英文命名下列化合物:30% (b) 34三 tamethy 2,3,4,5-甲基辛 4,4 56-甲基) 「旺廿己 白四廿 二膜室 TS

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4. 在本實驗中5微升(1L=10-6L)溶液約可產生一個直徑0.5公分的斑點,如果硝 酸銅溶液濃度為6.5g Cu²+/L,試問每一斑點中含銅離子若干微克? m 5,2ma

這題怎麼寫，算了很多答案都不是2 （老師給的答案是2）

-0.50 Price (dollars per popsicle) 0.30 0 15 25 5) The figure shows the demand curve for popsicles. The arc price elasticity of demand when the price of a popsicle increases from $0.30 to $0.50 is A) 0. D B) 1. C) 1/2. D) 2. Quantity (popsicles per day)

請問這個怎麼證明🙏🏻 謝謝

1.試證: lin 000 sino D = 2. { [sin(x)] = cos(x) : Hirt & Aist

想問一下這題要怎麼算🙇‍♀️

A model is based on an assumption that an additional year of education increases a student's future wage by 20 percent. 4) Refer to the scenario above. The hypothesis of the model is that 4) A) college graduates will earn about 80 percent more than high school graduates B) college graduates will earn about 107 percent more than high school graduates C) college graduates will earn about 200 percent more than high school graduates D) college graduates will earn about 275 percent more than high school graduates

來人教教我這提！！

Q2.三位學生分別以個位數,二位數及四位數天平進行烘箱乾燥法水分测定 得到的結果如下, (1) 請分別求出其水分含量% 樣品重(g) A 10. 乾燥後重量(g) 水分重量(g) 水分含量% 1. B 10.00 1.00 C 10.0000 1.0000 100