解答についてでどのようにしてやじるしのように変えるのか分からなくて、、解説お願いします🙇‍♀️

Exercise 4560AB において, OA =8. OB=10. AB12 とする。このとき OAとO 7 の内積は OA・OB = アである。また,△OAB の垂心をHとし, OHを OA, OB を用いて表すと OH = イとなる。 (慶應義塾大) 457* 平面上に,一直線上にない3点0, A, B があり, OP = sOA +tOB と定め

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Grammar Yourself! bog法に強くなろう! A. 例にならい枠の中から適切な単語を選び、 必要な場合は適切な形にして次の1~4の文を完成 させましょう。 例 It's Takashi's birthday tomorrow. He'll (b)20. 1. "Are you coming with me?" "No, I'll ( ) here." 2. Don't worry about the test. You'll ( ) an A. ) you about the program in detail. be√ come get stay 3. Beth is going to ( 4. Let's wait here until everyone ( ) back from the campus tour. B. 例にならい、カッコ内から正しい語句を選び○で囲みましょう。 tell 15 Hurry! It's already nine o'clock. ( We won't/We're going to be late. 1. "Are you ready?" "Not yet, but (I'll / I won't) be ready in 10 minutes. 2. "Is Yoona coming to the party?" "I don't know. (I'll / I'm going to ) ask her." ar, 3. I'm worried about the test. If I don't get over 60 percent, I won't / will) pass. ) 4. "How about going out for dinner?" "Sorry. (I'll / I'm going to go to a concert から tonight." angled tar You C. 日本語の意味に合うようにカッコ内の語句を並べ替え、 英文を完成させましょう。 ただし、文 の始めにくる単語も小文字にしてあり、 1つ余分な語句が含まれています。 you talk. D 1. キャンパスツアーの後は何をする予定ですか? ( are / will / what / to do / we / going) after the campus tour? 2. キャンパスツアーの後で歓迎会を行います。 Portom tort (welcome we're / we'll / a / party / having ) after the campus tour. 3.10分を超える遅刻は欠席と見なします。 If you're more than 10 minutes late, ( consider / won't / absence / an / it / I'll ). Kaat's Read Aloud & Welte 4. 後でキャンパスを案内します。 (you / I'll / I'm going / the campus / around/show) later. 5 単語 も実際 に使わ 35

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A. Complete the paragraph with words from the box. One word is used twice. beat energy range seems steady Much of the research done on music and exercise focuses on what the ideal BPM is for running. But it also 2 studies that having a predictable, 3 music with sudden changes in the 4- from recent rhythm is important. Generally, like free-form jazz, is less suitable. Why? If the music speed changes while we run, we tend to adjust our movements to match the 5 Each time we change our steps to move faster or slower, we lose 6

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ZING B. Complete the summary below using words from the box. One word is extra. control depression distracts make motivate range tired One reason listening to music helps us exercise is that it' us. When we listen to a song we enjoy, our mind pays attention to the music, so we don't feel 2 Another reason music helps us exercise is that it can 3 us to keep exercising. A recent study shows that people exercise better when they use special machines that allow them to 4 They felt this gave them more 5 music while exercising with other people. Also, it made exercising a fun, social activity. In the future, these machines could even be used to help people who suffer from 6

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will 3 Fill in each blank with suitable words to complete the sentence. (1) 私は彼女が以前アメリカに住んでいたことを知らなかった。 so (I didn't know that She evelivet AB puoliselted barl of 8 Nevoted roques ym went of ever! | [a] meer fiew in the U.S. before. (2) 私たちが映画館に着く前に映画は始まっているでしょう。eldsts Ve netted b'eW [a] 650 The movie (3) きのう彼は10年間使っていた時計をなくした。 Yesterday he lost a watch that he ooh's eee jetted b'uoy dinid) { [@] before we get to the movie theater. horias exist bluorie woy [or] Verb evsa bluode eW [rr] for ten r ten years. AB Choose the correct word or words in the brackets. > of avad (1) A Yuta told me he [will / would ] come by 6. It's already 6:30. B: He called me a few minutes ago and said he [is / was ] at the station. So he'll come W Fill the called me a few minute (2) A How did you like the DVD? ym epnario of everi tripim I before. B: While watching it, I remembered that I [ had seen / would see ] the movie once b (3) A: What does the *weather report say?.pp.pl [been].eved I'nob uoY B: It says the snow [has stopped / will have stopped by tomorrow morning. 100 A [ weather report: 天気予報 Shed -=fted bad (e) [8]

内積を求めたいけどcosも座標も分からない時はどうしたら良いのでしょうか

l Exercise 456* △OAB において, OA=8,0B=10,AB=12 とする。このとき OAとOB の内積は OA・OB=アである。また,△OAB の重心をHとし,OH を OA, OB を用いて表すと OH = イとなる。 (慶應義塾大)

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e) 3点) lish by for Various Exercises Writing 思判・表 \[文章の誤りを直す] 8 Answer the following questions. 16 (各4点) 次の文章は,あるアメリカの高校のウェブサイトにある学校紹介ですが, 文法や内容に誤りがあるよ うです。 下線部 (1)~(4)の誤りを直し, 下線部全体を記述しなさい。 Star High School (1) has been one of the best school in San Francisco for the past 20 years. It is known as a school with quality teaching and various school events. Our school provides (2) as few as 20 school activities in the three academic years and has over 10 societies and clubs. dinom We welcome students from all cultural backgrounds. (3) Since the school has started in 1998, our students have come from different towns in the San Francisco area and neighboring cities, (4) or they are all interested in the differences and uniqueness they find on campus. ladased valg ton ob los anid - judey lunedi woy does lliw I fatione valg dimat Australia? Answer (1) What clo English. (2)2 23 (3) (4). と <ql.oo.dewodni-> T oixA T

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1 動詞 ② L2 Exercises 1 ( )内の語句を並べかえて英文を完成させなさい。 A, B and sill.no viol 1. (a/is/on/post office / there / the street). There is a past affice on the street. 2. (always clean / her room / keeps / Lisa). Lisa always keeps clean her room. 3. (a/are/lot / of there / temples) in Kyoto. There are a lot of temple. 4. (call/Osaka Universal Studios Japan / people in / Yuniba). Universal Studios Japan call people in Osaka 2 日本語に合うように,( )に適切な語を入れなさい。 A, B □ 1. ニックはその課題が難しいとわかった。 Nick (found) the assignment (diffcult). 2. 私の町にはショッピングモールがありません。 Tuniba. (There ) (are ) ( not ) shopping mall in my town. 3. 彼は自分の立場をはっきりさせた。 He ( made ) his position (clear). 4. 球場には何人いましたか。 )( How many people were there ) in the stadium?

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met er s d m (2) Increasing the amount of CO₂ in the atmosphere grobal warming (3) Many people read free news free news on PC screen Cause year by year instead of buying newspaper" with the advent of hew media. pow (+) Japan is facing serious problem. That working population which support the lives of retiring people these days. (5) I was worried about that no bread was sold in the supermarket due to almost closing Time, but fontunately one loaf was left.

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立方程式 Exercise 次の問いに答えなさい。 (1) 次の方程式を解きなさい。 x-4y=12 (x+5y=9 ⑪ [2a-b=-5 ③ ② 3x-4y=-4 x+4y=8 la-b=-4 [3a+2b=5 ④ la-2b=7 (3x+y=8 [2x+y=5 (5 ⑥ ⑤ \x-y=1 -x+2y=-5 (3x-2y=-4 [3x+y=5 ⑦ 8 x-y=-1 x+3y=-9 2a+3b=2 6a-6b=1 10 11 -x-4y=7 { 5a+66=4 6x-5y=12 21 12 -a-3b=1 2x-3y=4 2a-36=-1 6x-7y=4 3x+4y=2 (13) 14 (15) 6a+56=11 5x-6y=4 5x-6y=-3 2x+5y=19 3+7y=24g-36=112(火) (16 17 (18) 7x-2y=8 2x+3y=-2 6a+26=-3