想請問大家要怎麼分辨是大於還是小於(⁠｡⁠ŏ⁠﹏⁠ŏ⁠)

類題 例題 同側與異側 配合課本例題5 坐標平面上,設直線L的斜率為m 且y截距為-2,若兩點 4(3,1),B(1,1)在L的 異側,則 m之最大可能範圍為何? y=mx - 2 y-mx+2=0 1~30+2 1-3m+3 mr-y-z 1-m + 2 = 0 4-2 -M +3 M-3 直線方程式的應用 Note 設直線L:ax+by+c=0 及兩點 A(x,y)與B(x2,yz), (1)若 A、B 在L的同側, 則(ax+by+c)(ax2+by2+c)>0。 (2)若 A、B 在L的異側, 則(ax+by+c)(ax2+by2+c)<0。 (m-3) x (3m-3) <0 坐標平面上,設直線L的斜率為m且通過點(2,1),若兩點 A(-2,-1), B(3,-2)在L 的同側,則 m之最大可能範圍為何?

想問這幾題 想問為什麼錯的不能用+對的為什麼能這樣用？🙏

英文考科 二、綜合測驗(占10分) +3 on 說明:第11.題至第20.題,每題1分。 bodzowbred no 第11.至15.題為題組 In 1956, African honeybees were introduced into Brazil to improve honey production in the tropical climate of South America. However, they started to mix with European honeybees already living there and produced a new kind of "Africanized" honeybees that are better at setting up hiyes and at reproducing than European bees. Keeping Africanized bees poses a challenge to beekeepers. Generally, beekeepers keep their bees in 11. wooden boxes, or hives. s. Afte After the worker bees fill a hive with honey, the beekeepers open the lid of the hive and blow a few puffs of thick, cool smoke into the hive to help calm 12. easier to collect the honey. the bees, 第 2 頁 共 10 頁 The problem with keeping Africanized bees is that they are more defensive than European bees. Even the slightest bump against the hive may 13. an alarm. A large quantity of smoke is needed to calm the bees. Two or three beekeepers may need to work together to safely harvest the honey. And they may need to wear heavier beekeeping suits even in hot, 14. weather. Beekeepers may also collect less honey from Africanized bee hives. European bees form search parties and work together to collect flower nectar from which honey is made, while Africanized bees usually work alone in search of flowers. Therefore, less nectar is brought back to Africanized bee hives. Africanized bees also spend less time storing honey but more time caring for young bees. That may be because they 15. in a tropical climate where not much honey is needed for food during the winter. (C) starved AB 11. (A) stacked door Lyc (B) stuffed obl (A) which make them (B) so that they are (C) thus it would be D (B) go off (C) call off (A) get off (D) staffed (D) making it DLL CC

大家都是怎麼讀英文文法的✍🏻每次英文都考得不太好😓真的覺得英文好難😢有人可以提供什麼訣竅嗎！謝謝～

這一題有人會嗎？ Which of the following amino acid is branched at β-carbon? (A) Leucine (B) Threonine (C) Serine (D) Phenylalanine (E) Histidi... 繼續閱讀

1. Which of the following amino acid is branched at ß-carbon? (A) Leucine (B) Threonine (C) Serine (D) Phenylalanine (E) Histidine

求解 真的不知道要怎麼畫 老師又沒給答案😭

3. Following table shows the number of labor hours required to produce a digital camera and a bushel of wheat in US and South Korea. Please answer following questions referring to the table. US South Korea Total Digital Camera 100 hours 90 hours 190 hours Wheat (bushels) 5 hours 3 hours 8 hours A). If each country has a total of 9,000 labor hours to devote to the production of the two goods, please draw the production possibilities frontier for each country. Put "Digital Camera" on the horizontal axis and "Wheat" on the vertical axis. Be sure to identify the intercept values on your graphs. B). Suppose each country allocates 60% its labor hours to wheat production and 40% to the production of digital cameras. Complete the table like the one above to show each country's output of the two products. C). c. If the two countries do not trade and consume whatever they produce, identify the current production and consumption point for each country on their respective production possibilities frontiers. Label US's consumption point “C” and South Korea's consumption point, "K".

求這題解🙏

25. 如右圖,在空間中,△ABC 與AM'BC 為邊長2的正三角形且這兩個正三角形所張開的兩 面角的角度為60°。若D、E分別為AC、AB 的中點,且 D'、E' 分別為A'C、A'B 的 11 中點,則線段 DE'的長為_ 《解》 A E D B D' C

求解一二大題

B: It is next to your bag. 2. My brothers play basketball with (I/my/me) after school. This is (sheher)/ him) new bike. What can I do for ( them/they/their))? That man is a police officer. Let's go talk to (he/him/her). 6. The girl is in front of (I/ my (me). I am behind (she her him). 7.-A: Do you see my markers? B: Are (them/their / they ) on (you/me/ 3. 4. 、請圈選正確的答案 1. A: Zoe, where is (you/me/your) notebook? 5. our desk? 8. A: Can you go wake (he / him/his) up? B: Yes, Mom. 請填入正確的人稱代名詞受格 A: Is the man a singer? B: Yes. Let's talk to him. 1. A: Amy is sleeping in class. B: Let's wake up. 2. A: Can I use my phone now? B: No. Please turn 3. A: Are they your cats? B: Yes. Let's play with 4. I am in front of Emily. She is behind 5. She is our new English teacher. Let's go talk to 三、請依提示,加入 can 寫出肯定句 I read the books in class. I can read the books in class. 1. You/jump rope. You can jump rope. off. 2. He / play baseball. He can play baseball. 141± 48 3. They / turn off the TV. They can 4. He/sing and dance. He can 5. She / follow the rules. turn off the TV. sing and dance. She can follow the rules 四、請將第三大題改為否定句 I can't read the books in class. 1. You can't 2. He can't play baseball. 3. They can't turn off the TV. 4. He can't sing and dance. 5. She can't follow the rules. 五、請將第三大題改為疑問句 Can I read the books in class? 1. Can ' you jump rope? 2. Can he play baseball? 3. Can they turn off the TV? 4. Can he sing and dance? 5. Can she follow the rules? 六、請依第五大題的問句寫出答句 (a)肯定簡答 (b)否定簡答 (a) Yes, you can. (b) No, you can't. 1. (a) Yes, I can. (6) No, I can't.

以下是心統的題幹和問題 想請問這題要如何計算？ 謝謝！

3. David challenge you to play coin toss game. If you win, he will give you $10. If he wins, you will give him $5. He tells you the coin is fair. 大衛找你玩丟銅板遊戲,如果你赢一次可以拿到 10 元,如果 他贏一次要給他5元。他說銅板沒有動手腳。

He______a notebook,and he can use it to take notes A. has given B. is giving C. gives D. was. given 為什麼是D不是C

求解🙇

8.已知某行星半徑為地球的2倍,平均密度與地球相同。若地球上一重80公斤之太空人,登陸此行星 表面,則下列敘述何者正確? (A)太空人受力 160公斤重 (B)太空人質量為20公斤 (C)太空人受 力仍為80公斤重 (D)太空人質量為160公斤