數學 高中 1年以上以前 help2!!!😁 O REDMI NOTE 8 PRO COAI QUAD CAMERA 解】 小值。 12.漁夫想要開挖一個矩形的魚塭,已知此魚塭的面積為16平方公尺,求此魚塭周長的最 tthe-hat={N-4-X ) (3+√3) 1. 數 已解決 回答數: 1
數學 高中 1年以上以前 help!!! 國郵 單元1 實數 3~5 樓體育館旁 樓梯(含 4,5 - 延伸- √9-√80 11.已知x、y為有理數,且x-V14+ √180 = y( 9 - √80 + 4,求x與y的值。 解 √14+ √180 = √√₁4+²√4x² = 3+√JE √9-0500 = √₁ 座號’ 12 NOTE 8 PRO O REDMI COAI QUAD CAMERA 已解決 回答數: 1
英文 高中 約2年以前 想問一下第三題為什麼不能選A,謝謝🙏 (A) change (B) changed 2. By the time the new semester begins, notebook computer. - All (C) have changed (D) had changed enough money to buy a new (A) save (B) will save ) 3. It is comfortable to take the high-speed train. (A) In consequence (B) In other words (C) For another 分,共25分 (C) have saved (D) will have saved a lot. (D) On the other hand the ticket costs 已解決 回答數: 1
數學 高中 約2年以前 想問11.(4)跟13.(4)(5) 高二數學新課綱 複習作業 11. 設有10 筆(x,y)的資料,若x=6,4y=7,ox = 4,oy=2,且相關係數r = 0.8,則: v(1)-3x+5,3x2+5, 3xg+5之標準差為12 5 5 2 , (2) -=-3x, ² (2)-x^+2 : *2+2, 5 x+2之算術平均數為30 9 9 (3)利用最小平方法求出之迴歸直線的斜率為0.4 (4)若加進二筆資料(1,5),(11,9),則其相關係數必大於0.8 Ans:(1)(3)(4) 已解決 回答數: 1
數學 高中 約2年以前 求(c)的解法~ 20.設(1+x)" = a+ax+ax²+……+ax",其中a,a,a2, 者正確? ✓(A) a₂ + a₁ + a₂ +...... • + an = 2" (B) a <a₁ <a₂ < < A₂ (C)若a:ang=3:2,則n有兩組答案 (D)當 n=10 時,9,9,92,……, a 中恰有兩個數比10小 v(E)112011的百位數字為6 (1 fett | n " a皆為整數,下列何 Ans:(A)(D)(E) 已解決 回答數: 1
自然 國中 約2年以前 下列哪個不會隨環境變化? 謝謝😁 係圖,則根據該圖可知液體的 密度為多少g/cm²? (A) 3.9 (B) 2.3 (C) 1.3 (B)質量 (C)體積 (D)密度 液體)質量 REDMI NOTE 11 PRO 5G /魚奈涵 58 質。 g 24 = 1, 2 (D) 1.2 (A) 24 下列哪一物理量不會隨環境狀態與地點而改變? (A)長度 15 35 液體體積(mL) 《1. 2023.07.28 20:47 已解決 回答數: 1
數學 高中 約2年以前 想問這兩題~(9.有窮解之外的解法嗎? 19. 0,1,2,3,4,5,6,7,8,9組成三位數,若數字不可重複,其中有幾個3的倍數? 《解》3的倍數:和為3的倍數 ①和為子:(01112) Ⓒ4096 (0,1,5), (0₁2,4), (1121) ③和為9:10.118) (0.217)、(013,67.014.5) (1,216)、(1,3,5)、(2,3,4) ④和為12:(013,9)、(414,8) (015,7)、(11219)、(11358)、(1,4,7), (1,516) : Ans: 228 已解決 回答數: 2
英文 高中 約2年以前 請問為什麼第一題是practicable 而不是capable>< are one billion nanometers in one meter, you can get an idea of how impressive this technology really is! Even though this fabulous technology has been around for almost 100 years, we have only recently been able to experience both its benefits and i cogmignal ovil Asqa niso I e maoney but also area Stopesugar have characteristics These days, nanotechnology is used primarily to make things stronger, stiffer, and smoother. Due to their tiny size, nanoparticles increase the overall surface a of an object, and that acts to give the object special properties However, nanotechnology is also used in the field of biochemistry. One possible of nanotechnology in the future is in the field of robotics. It might be feasible for tiny nano-robots, or "nanobots," to be produced that could easily perform tasks in a very small scale. Each of these nanobots would be so small that you would need a special microscope to see them. Because of their small size, however, a great deal of them DEST OF 90 MOBST U simple math, inc ped programa Cindy a button nose Qué oyes, would be needed to perform a task. furod One drawback to nanotechnology is that the structures are so small that they pose some health and environmental risks. Because of their size, they can float around in the air and enter our lungs without our knowing about it. The effects of this are not yet known, but in the future, if the use of this sort of technology becomes more common, some specialists believe that we may suffer from various illnesses. Regardless of the risks, however, it seems that nanotechnology is something that will be with us for a long time. davol odi ni "11" nuomong ot D Tolo hazards. or (A) affordable (B) practicable (C) visible 14 What does the passage mainly discuss? (A) A new technol use 13 The boldfaced word "feasible" in paragraph two is closest in meaning to ghib10:56 Ap (D) capable 已解決 回答數: 1
英文 國中 約2年以前 請問11 14 CB (A) are (B) were (C) would be (D) will be 10. Buses to the airport only come once every hour, and we just missed one. Why don't we take a taxi? 【11】會考】 (A) another 【102 會考】 D' D 17 ) Doris: Why (B)>K (C) one so many things to do when I'm busy enough? Frank: That's because you don't know how to use your time well. Bhave C¹² (A) does it have (C) are they 12. My parents have different hobbies. One enjoys baking; (A) another )13. There YA) has is 14. Nora: Can I check your drawer for some tools we can use? Matt: Sure. Take a look. See if you can find any in there. (B) it (C) others (A) any (D) them Notes (D) are there enjoys taking pictures. 【105會考】 (B) the next (C) the other more than twenty clubs in our school. Which one would you like to join? (B) have (D) are 【108會考】 【110 會考】 (D) the second (D) those 已解決 回答數: 1
數學 高中 約2年以前 請問9.的答案為何是-4,以及12.的(5)要怎麼判斷 12.設實係數二次函數f(x)=ax² + bx + c,若f(0)> f(1)>0,且f(-1)<0則下列何者正確? (1) a>0 ˇ (2) b>0 V(3) c> 0 ✓(4) b² − 4ac > 0 (5) ƒ (2) > 0 《解》 f(0) = C > 0 f(1) = a+b +670 f(t) = a-btu <o _ // 70 = a<o, b>0 fo) f(-1)9 ¨; f(x) ³²³ × 5 ² = 0 >0 = 6²-4²² > 0 F53 Ans:(2)(3)(4) A : (-²) (3) (4) 已解決 回答數: 1