・数Cベクトル 2枚目の傍線の式の意味がわからないです 宜しくお願いします🙇‍⤵︎

5 座標空間において原点と点A(0, -1, 1) を通る直線をℓとし, 点B (0,2,1) (-2, 2, 3) を通る直線をとする。 l上の2点 P,Q と,上の点R を △PQRが正三角形となるようにとる。このとき, △PQR の面積が最小となるようなP,Q,Rの座標を求めなさい。 (10点) J

これの（3）を解説（２、３枚目）とは違う楽に解く方法はありませんか？ 教えてください

719 右図のように鋭角三角形ABCにおいて, 各頂点 から対辺へ垂線AP, BQ, CR を下ろすと,それ らが1点Hで交わり, PH=1, AQ=2, QC=4 となった。 次の問いに答えよ。 (1) 線分AH の長さを求めよ。 (2) ∠QRC=∠PRC であることを証明せよ。 (3)面積比△PQH: △QRH ARPH を求めよ。 RA B P H [ラ・サール高]

英語の文法問題です。 removedを使って、「その行方不明のファイルは書庫内で持ち去られた」にすることが不可能な理由を教えていただきたいです。removeはfrom以外の前置詞をあとに置けないのでしょうか。 よろしくお願いします。

118 Mr. Rhee thinks that the missing file is 124 archives. company (A) locating (B) somewhere (C) removed (D) especially 3A (A) (日) in the Rheeさんは、その行方不明のファイルは書庫内のどこかにある と考えています。涙のため、その会社では現在、本社のオフィス (A)〜の場所を突き止めて Vigneda (B) どこかに Veoloringet rot (C) 持ち去られた (D)特に anotasvni jehsup eirt masiaurtine (A) asigurine (8) oleslaurine (0)

どなたか解説していただけないでしょうか🥲‎

過 i TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. 13. The book is so (A) interest (C) interested x 14. Andrew was very would never see her again. (A) disappointing (C) disappoints x 15. The train departs soon, (A) arrival (C) arriving that I want to read it again. (B) interesting (D) to interest D with Kathy's behavior at the meeting and said he (B) disappointment (D) disappointed B in Osaka at 7 p.m. (B) arrive (D) arrived A B D V 16. If you do not have your seat belt , you can be fined. (A) fastened (B) fasten (C) fastens (D) fastening B C 4/17. in simple English, this book is easy to understand. (A) Write (B) Writing (C) Written (D) Been writing B D 18. The survey tells us that our customers are with our service. (A) pleasing (B) pleased (C) pleasure (D) please * 19. I found my colleague e-mails at the café. (A) check (B) checking (D) checks (C) checked (E how to use the new tablet, I asked my son for help. V20. Not (A) know (C) knowing (B) known (D) To know B Unit 10 Business 71

どうしてそうなるのかがよく分からなくて全部解説してもらいたいです‬🙇🏻‍♀️

C act with me Q Part 5 TOEIC READING AnswerHub Incomplete Sentences A word or phrase is missing in each sentence. Select the best answer to complete the sentence. v X13. If I (A) are (C) were 14. If she umbrella. you/I would ask someone's help (with that business plan. (B) am (D) be D that it was going to rain, she would have brought her (B) known (A) knows (C) has known 15, If he had caught the train, he (A) hadn't been (C) wouldn't have been (D) had known B C late for work. (B) hasn't been (D) wouldn't been it not for the computer, I couldn't do my work at all. X 16. (A) If (B) Were (C) Had (D) With lnm of Bo¿no A B C ✓ 17. (A) You (C) If change your mind, no one would blame (B) Should you (D) If should you. B D X 18. The stew would taste better if it more pepper in it. (A) had (C) has X 19. I (B) would have (D) have had B D ◯だった 現在形 こします。 は、意 覚です。 に」とい ません。 (A) could meet (C) met the deadline of the report if I had started it earlier. 20. Bring your own key, (A) otherwise (C) without (B) will meet (D) could have met B you would be locked out. (B) if (D) should A If it weren = Were it ~. C D If s should N. = Should S~. if 省略 Unit 9 Office Work 63 D

1枚目の本文を見ながら2枚目のものに答えました。 良ければ合ってるか見て頂きたいです。

Read and Think 海の動物が危ない Before You Re 放課後、学級新聞を書くために、理 する 動画を見ています。 内容に合うものを選び、答えを○で囲みましょう [A B C 後日、エディと理子は、調べたことを学級新聞の記事としてまとめ ました。 ラッコの数が減っている原因は、何でしょうか。 Sea Animals in Danger! 生息 海 Have you ever heard of the sea otter? It lives in the ocean. It is one of the world's endangered animals. Let us tell you about sea offers. ずっと昔 たくさんの さて私たちに伝えあなたに~について ラッコ 北太平洋 狩った Long ago, there were many sea otters in the Northern Pacific しかし その あった 個体数 急速に Ocean However, their population decreased rapidly. People hunted them for their あたたかい毛皮を求めて その結果 減少 30万頭 2000 warm fur. As a result, the number decreased from about 300,000 to 2,000 始まり 20 in the beginning of the 20th century. 助ける 79 People were shocked about the situation and decided to help sea otters 生きる 安全に ショックを受けた 217747 はじめた 状況 そして決意した 乱獲をやめる ~のおかげで 増加 再び 努力 live safely. They started to end overhunting. Thanks to their efforts, the population of sea otters started to increase again. しかし現在 まだ直面している 絶滅の危機 N p Dr ✓ b O O O O O V た Today, however, sea otters are still facing the danger of extinction due ゆる 油の流出 種別 シャチによる これらの to oil spills and hunting by killer whales. What can we do to protect thes かわいい うみ 動物 cute sea animals?

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Perhaps, there's an argument to be made that public speaking is different from day-to-day communication. この英文のargument 以下の文構造と和訳が分からないの... 続きを読む

19番以外の解説してほしいです🙇🏻⋱

doing e TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. x 13. He promised (A) not be (C) not being × 14. I want you (A) finish (C) to finish X 15. Please let us (A) know ✓ (C) to know x 16. They made her (A) sign (C) signing x 17. This book will help us (A) will understand (C) understanding 18. I don't mind (A) drive goin (B) not to be late again. (D) being not the job by 10 tomorrow morning. (B) finishing (D) will finish if we can help you. (B) knowing (D) will know F text Que D Yo A B D for B eithe the contract against her will. I loo (B) signs (D) to sign B C help+N+ do Yours more about linguistics. Gear (B) understand D. Human (D) understood B if you are tired. ()(B) to drive (D) driven (C) driving 19. Would you like something (A) drink (0) (C) drinks ✓ (B) drinking (B) (D) to drink smas (A) C A B (A) to be (C) has been 20. Richard was a great tennis player and he lived 100 years old. (B) being (D) to have been A B (A) ta (B) p (C) pe (D) ac 34 STEP-UP SKILLS FOR THE TOEIC® L&R TEST: Level 1-Basic- (A) Bet (B) Eith (C) Neit (D) Both

高校生の英文解釈について質問です。 【Perhaps it is only in childhood that books have any deep influence on our lives.】 の文構造をとった時【only in childhood】はC(補語... 続きを読む