算到這裡就卡住了⋯求詳解🥺 (下面的A是正確答案)

2. 直線L垂直2x-y=3且與,y軸所圍成的三角形面積為4,試求L的方程式。 (解) 4'2X-=3 69M ====2 -2-3 = 2 SL的斜率 1 Lime 底 在一 75 (0,t) (0,0) (-ẵp t. /」 1... 10.) 18.00 A = 4 = 1/2 x Axt 10 8 = text 8 A: Y = -(x+2 or y = - X-2

請問這題怎麼算？

所有权,便不等式x-m3+3+420G可立 ) m 2 k asm<b, kaj text (a, b) = ?

求解

Using Heisenberg's uncertainty principle, calculate the uncer- tainty in the position of (a) a 1.50-mg mosquito moving at a speed of 1.40 m/s if the speed is known to within +0.01 m/s; (b) a proton moving at a speed of (5.00 + 0.01) x 104 m/s. (The mass of a proton is given in the table of fundamental constants in the inside cover of the text.)

求解第十一題🙏

EC 料,2018年3月,平均指一塊錢比特幣所需電能約為2.5 x 10千瓦小時。若以250 套電腦 |_人」,根數位貨幣網站 Digiconomist 的資 設備挖礦,每套電腦消耗的功率均為500瓦特,則 為了挖到一塊錢比特幣,挖礦設備至少需 持續工作約多少小時? 500 w gen) y 2101024x10W) = 1023370 (A) 100 (B) 150 (C) 200 (D) 250 (E) 5002 textooxtx 10 2X -->00 = x = 2.5x 104 kw .hr t=200 11. 空氣污染物PMo.5 顆粒的沉降平均速率為10 - m/s,請問在高空1公里處等速沉降掉落,約 需要幾天? (A) 1天 (B)2天(C)3天 (D)5天 (E) 10 天。 (108 學測改】答: 30 FIO 10 10 一一一 。 RED 8.64 12. 某外星人所使用的長度單位為中,時間單位為O。當其來到地球時,發現和地球的單位比較, 16 = 2.50 公尺,10 = 5.50 秒。若此外星人在地球上以1.10x10*e/C的速度行進,這速 度相當於多少公尺/秒? (A) 5.00 x 10? (B) 1.10 x 108 (C) 2.42 x 108 Da 答 (D) 3.00x10° (E) 5.00x10%。 26410 10 (108 國改」目: ) : DE M=T000 1999 8110 x 106 s. Isti luxcobs I LONorx 2.8315 :A h加速器,同步輻射加速器可將電子加速到接

請問第15題為什麼(B)選項不行><謝謝！

11 第11至15題為題組 a modern Internet symbol, The hashtag is almost everywhere on social media. Though 12. it actually first appeared around 1850. At that time, the “+” symbol was used for indicating in text, for example: “Accounting files are in box #5.” Later, it was used to represent weights in pounds: "Do not load more than 10# in the box.” In 2007, Twitter started using the symbol to let users label photos and other posts by their subjects. Facebook and Instagram soon followed suit. 13 Today, hashtags are used more for advertising social and political causes than for fun. on the Internet in 2010, #arabspring helped millions of people in the Middle East and Africa organize massive protests against their governments. The #metoo hashtag, which started in 2017, allowed women to 14 sexual abuse and ended the careers of powerful men who had mistreated women. More recently, #forcethevote has been used to urge the US government to simply vote for a much-needed national healthcare plan. The hashtag's political uses weren't imagined by its original inventors. This shows that no 15 fun new feature appears on the Internet, it can have meaningful effects on society. of Bil: (AT viewing as (B) seen as fe thought as (D) looking as D 12. (A) methods (B) alphabets (C) measurements (D) numbers A13. (A) Upon appearing (B) As soon as it appears (C) To appear (D) Before it appeared C14. (A) avoid talking about (B) forget and forgive (C) speak bravely about (D) hide and seek 15. (A) what (B) why (C) that (D) whether matter TEE ESO

求解40.41題 謝謝！

VI. 混合題:11% Thspire him or her. McDonald's does more than just sell hamburgers. The Ronald McDonald House Charities (RMHC), an independent American nonprofit organization, aims to improve the welfare of children. The core programs of RMHC include Ronald McDonald House, Ronald McDonald Family Room, and Ronald McDonald Care Mobile. Ronald McDonald House There are 375 Ronald McDonald Houses right now, providing a place to stay for families with sick children under 21 years old. These children can receive medical treatment at nearby hospitals. Over 7,200 bedrooms are supplied each night, worth an estimated $700 million in hotel expenses. Ronald McDonald Family Room The 262 Ronald McDonald Family Rooms can be found in 28 countries. Family members who cannot stay at a Ronald McDonald House can come to live in these rooms. These Family Rooms are equipped with basic facilities for resting, doing laundry, or taking a shower not far from the sick children. Ronald McDonald Care Mobile Presently, there are 51 Ronald McDonald Care Mobiles. The mission of this program is to offer healthcare for children from the neighborhood for free. More than 100,000 children have benefited from this service annually. 公舍 B ) 39. What is the purpose of the first paragraph? (3%) (A) To promote McDonald's hamburgers. Solo (B) To give a brief introduction of RMHC. borla bn (C) To compare the three programs of RMHC. (D) To raise our awareness of the importance of charity. 40. Choose the INCORRECT fact from the table below. (3%) Ronald McDonald Ronald McDonald Ronald McDonald Program House Family Room Care Mobile Number (A) 375 262 (B) 51 (C) Waiting rooms for Services Places for families with people whose family (D) Health care for Provided sick children under 21 members are examined children who live nearby by doctors 11. What is the central idea shared by the three core programs of RMHC? Find the answer from the above text and copy it. (5%) lauld lady

求此題詳解

5 三用 X TEXT 若函數(x) = ar" + bx +C在x=2時有最大值10,且f(0) = -2,試求a+b+c之值。 聯演讲:党组合。 3. 與其他: 理了理器也能: (S 0 > ODA

求1.8.13 只會一題也可以

(perform), so they walked out of 4.( 1. 高中國文(1) 2. 5. ( important UU (A)distribute ) The rise of (A)apply ) Hseu Fan won a gr (A)perf 6. y in this small town. It's like a ghost town since only ten achung - scary r words in the textbook while they 6. 7. Many audience were not satisfied with the the show. ged her to sign up for the encanaged Lily speaks English very well, so the teacher e speech contest 3. tied the bottle in seconds. Emptred The thirsty boy drank water quickly and e 4. There isn't much a people live here. y movie. She was terribly 5. My friend kept screaming while watching the s frightened! unfamiliar The teacher asked her students to circle u are reading and try to guess the meanings. e it with a new one. The battery is dead, and we need to r 8. My best friend's (encourage) helped me get through a lot of difficulties e of swimming across the Sun 9. At the age of seventy, Mr. Lin took on the c Moon Lake. And he succeeded. 10. The Internet has enabled us to e e information and ideas with people around the world. 11. I will d y visit this restaurant again because the food and service are both wonderful. 12. concern College graduates have lower incomes than those in the past, so many people show ac n. 13. The public has recently expressed c ns about the violence on television. 三民Li重點 1. It c their old frie kids in scho environme new studo replace challenge exchange definitely On because can ta they the th

想請問這樣翻&改是可以的嗎？或是要怎麼改會比較好呢？

YC) On a travel website. (D) In a math textbook. 七、中譯英 39. 雖然我記得很清楚要打電話給我媽媽,但我第二天完全忘記了。 mom Forgot it the next day, 40. 唯有當所有賓客都離開時,主人才鬆了一口氣。 Although I clearly remembered to call my mom I totally Not until all the guest gone did the host get a relief Fe eft

求解20為什麼不能B 答案是A 但in which不是=where嗎

第16 至20 題為題組 Idioms add color to a language, and they also reveal some of the culture behind it. However, for non-native speakers, it is difficult to understand idioms. Besides, the real meaning of an idiom can be very different 16_ its literal meaning. That's why not everyone can easily figure out what an idiom means though he or she may know each individual word in it. There are many kinds of idioms for different themes in English. One of 17_ is for body parts, for they are so close to us. For example, your friend might tell you that he wanted to buy the latest cell phone, so he had to work to pay for it. What's more, while he was working one day, he noticed someone suspicious 18 into the store where he worked. He watched him carefully and caught him 19 to slip some gum into his pocket. At first, you might not understand what he said, for he used a lot of idioms that contained body parts like “cost an arm and a leg” and “sticky fingers.” However, if you guess from the context and the way he used the words, you may get what he meant. Learn more about idioms, and you'll find that using them can be fun. 16. (A) from (B) with (C) for (D) at 20 1 17. 18. (C) the commoner (C) come (D) the most common (D) to come (A) a common (A) is coming (A) tried (A) in which (B) a commoner (B) has come (B) trying (B) which 19. (C) to try (D) try 20. . (C) what (D) where