(2)について質問です。 地面から見た小球の初速度は気球の速度と，小球の投げ上げた時の初速度なので，7.7に2.8を足すのではないのですか？

45. 気球からの投げ上げ鉛直上向きに速 -- すれ違った位置 ( さ2.8m/sで上昇する気球がある。気球の かごの上端Pから, 鉛直上向きに小球を投 ↑ げ上げたところ, 1.0s後に上端Pと小球が 2.8m/s ・小球を投げ上げた位置 かご [P 小球 すれ違った。 重力加速度の大きさを9.8 m/s2 として,次の各問に答えよ。 ** DARAS 小球とすれ違ったときのかごの上端Pは,小球を投げ上げた位置から何mの高さ にあるか｡ (2) 地面から見たとき, 投げ上げられた直後の小球の速度はいくらに見えるか。 1408 (3) すれ違ったときの, 気球に対する小球の相対速度はいくらか。 (湘南工科大改) 気球

この考え方が全然分かりません😢 どうして、XとＹの得る値とその値をとる時の確率が8分の1とか8分の3になるんですか？？

応用 例題 22 3枚の硬貨を同時に投げて、 表の出た枚数で点数が得られるゲー ムを行う。 配点はA方式とB方式があり, 点数は次の表のように なっている。 表の枚数(枚) 3 2 1 0 A方式(点) 250 120 12060 160 50 B方式 (点) 200 160 50 30 ARAS (1) 高い得点が期待できるのは,A方式とB方式のどちらであるか。 考え方 A方式とB方式の得点の期待値が,どちらが高いかを調べる。 解 A方式とB方式で得られる点数を,それぞれX点, Y点とすると, X,Yのとり得る値とその値をとるときの確率は,次の表のように なる。 Xの値 250 120 50 計 Yの値 200 160 60 50 30 30 1 3 1 確率 1 BON SHI 8 8 8 3 Xの期待値は,250・1+120･ +601/3+501/3=105(点) 8 8 8 1 3 3 1 Yの期待値は,200･ +160・ ・+50+ 30・ -=107.5(点) 8 8 8 8 得点の期待値はXよりYの方が高いから,高い得点が期待できる のは, B方式である。 60 50 38 と確率

19番を教えていただきたいです。 また、選択してある問題は合っていますか？ よろしくお願いします。

3年 英語表現ⅡI [Scramble トレーニング問題集] The teacher accused him ( ) copying. 1 for 2 of 3 to 4 in 10 This computer cost ( ) my whole salary last month. 1 for me 2 of me 3 me 4 to me ne me 11 Will you please explain ( ) once again? the point to us us the point the point us us about the point 12 Her dreams have ( ) true. turned 2 come 3 gotten 4 gone ad come 13 When he asked me ( ) him, I thought he was joking. 1/to get married marriage 3 marrying 4 to marry 14 I ( ) you to think again before you decide. 1 advise 2 suggest 3 hope 4 introduce 15 We ( ) her to go on a picnic with us. 1 persuaded 2 prevented 3 made 4 suggested 16 I'll have my son ( ) the luggage for you. carry carries 3 carried 4 to carry 第15-2章 動詞の語法 ② 25 3年 17 18

四角3の答えがcなんですけどこのusedはどんな意味があるんですか教えてください🙇‍♀️

Read this essay by a university student, Daichi, and answer the questions. C 1 At university, I finally got a chance to study abroad in the UK. I had always hoped to visit there. My high school English teacher had often talked about the UK, and I became 英国(イギリス) A fascinated by the historic architecture there, especially the beautiful palaces and churches. C 歴史に残る 建築 2 When I went to the UK, there were many surprises and challenges. Firstly, there were so many people from all over the world. I could hear many different languages, including French and Chinese, especially in cities. As I made friends with classmates from different countries, I realized that English is really international. Secondly, I was asked about Japan many times, but it was difficult to describe our traditional customs or modern culture. So I also realized that I had never thought very much about them, but now I want to know 現代の more. 3 Finally, I felt that I changed a little, too. By the time I returned to Japan, I liked to eat more bread! Also, I ( 2 ) much shyer, but in the UK, I had to ask local residents about many things, like which bus I should take. So I'm not shy of talking to strangers 内気 anymore! ためらう 見知らぬ人 Put the events below in time order. RS D- OC a D-C a. start studying in the UK come to like bread イギリスで勉強はじめる 110²014771-183 6. come back to Japan d. be told about the UK by English teacher 日本にもどってくる 英語の先生によってイギリスのはなしをされる 1 2 Which of the follow is NOT part of many surprises and challenges? *part of [~ RS a. Not only English but also many different languages were spoken in the UK. b. Daichi had to speak to local people and ask many questions. c. Daichi was told to change his eating habit. d. People often asked about Japan but Daichi couldn't easily answer. vidi 3 Choose the best phrase to fill in the blank 2. c. used to be d. must be a. am b. have been 以前は恥かしがっていた 4 What did Daichi learn from his experiences in the UK? Fill in each blank with a suitable word. ( (1) English is so (International) that people from different countries) use it for communication. Customs ) or modern (2) He didn't know much about traditional Japanese ( ( ). Culture

解説お願いします🙏

(2) 円x+y=16と直線y=x+kの2つの交点を結ぶ線分の長さが2となるような定数kの値を求めなさい。 QU M76W.

これが全くわかりません、教えてください🙇‍♀️

Match each word with the best meaning. 1. (in)appropriate 2. aspect 3. contrast 4. customary 5. etiquette 6. flashy 7. J frustrating 8. process 9. subdued vulgar 10. c a. in the general way of doing something b. (not) correct or suitable c. a difference or comparison between two things d. quiet; not light; not loud e. a feature; a part of something f. usually done in a particular situation g. expected and correct way of behaving h. noticeable, but in a bad way; showing off i. with poor taste or poor artistic quality; not suitable for a polite situation j. causing a feeling of anger by preventing someone from doing something they want to do Gift-Giving Etiquette

過去形と過去分詞のどっちの形で答えればいいのかわかりません。法則などあれば教えてください！

01 The present perfect Have you ever ridden a motorcycle? Yes, I have. I rode one yesterday. No, I haven't. But I've ridden a bicycle. Has she ever driven a sports car? Yes, she has. She drove one on vacation. No, she's never driven a car. PAIR WORK Complete the conversations. Then practice them with a partner. 1. A Have you ever eaten Moroccan food? (eat) have .. I have tried it in France. (try) B Yes, I 2. A Have you ever been I gone windsurfing? (go) B Yes, I have | went last year. (go) 3. A Have you ever met a movie star? (meet) Sam Emma B No, I haven't. But my sister Stone once. (see) 4. A Have you ever run a marathon? (run) B No, but I to catch a bus this morning! (run) 11 run Grammar Reference page 116 Have you ever been* skydiving? Yes, I have. I went last summer. No, I haven't. But I've been parasailing. * been is another past participle form of go REGULAR VERBS jump → jumped play → played visit visited try → tried e IRREGULAR VERB be → been buy → bought do → done

この英訳がわかりません。教えてください🙇‍♀️🙇‍♀️

2 次の文を英語にしなさい。 ME PERS (1) サマンサ(Samantha) は, 大声で泣くのを見られて,とても恥ずかしかっ た。 [福島県立医大*] deo

答え教えてください🙇‍♀️

22 ~ing? の形で用いられることも多い.neganiyoreasthysingel acigalogs anie] O discussed 2 lay 3 told 4 watching 5 miss 6 mind A 次の各文の空所に入る最も適当なものを1つずつ選びなさい. 1. ) it from the library. It is not necessary to buy the book because you can ( 1 borrow 2 rent 3 lend 4 loan 2. The storm was () our town. odliw bisnis) slange of 1 approaching 2 coming 3 arriving (東亜大 4 getting 3. George was () to a position of greater responsibility. 1 arose 2 raised 3 raising 4 risen

AからCまでの問題の解答と解説至急お願いします。 Aに関しては日本語訳も教えていただくと嬉しいです。

EXERCISES A Complete the sentences with the words in brackets. (1) When I buy ingredients, I (also / check / their prices / not / but / only) their origins. (2) Yesterday the weather was ideal for walking, because ( hot / it / neither / was / nor / too) too cold. (3) ( eco-friendly / few / can / cars / seen / be ) in developing countries. (4) Makoto (without / never / taking / mountain climbing / goes / his camera). (5) Owing to the drought, the amount of ( the domestic / grain / meet / will not / all / demand ). (6) I decided to (not / economics / but / major / in / in ) politics at university. Fill in the blanks to complete the dialogs. (1) Hana: Some children don't catch beetles in the fields but buy them. Koji: Actually, that's because these days we 田舎でもカブトムシをめったに見かけない (2) Kent: You have so many trash cans in the kitchen. Why do you need them all? Susan: That's because I never 分別せずにごみを捨てる (3) Mother: You spend too much time on the Internet these days. Sayo: I'm now watching English videos and reading comments on them. Using the Internet is いつも時間のむだとは限らない C Express the following in English. (1) 自転車は温室効果ガスも汚染物質もどちらも排出しない. 〔pollutants 〕 (2) 便利な都会生活が必ずしも私たちに幸福をもたらすとは限らない. TAGE (3) 太陽光発電は環境にほとんど害を与えない. 〔solar power generation] (4) この町ではすべてのプラスチックを資源ごみとして回収しているわけではない. [recyclable waste) (5) 省エネの推進だけでなく再生可能エネルギーの導入も世界的課題だ.〔renewable energy〕 UNIT 21