(2)解答では中線定理で解いてますが、ベクトルを用いて解くと答えが合わないんですけどなぜなんでしょうか？

標問 32 距離の公式, 中線定理 (1) A (2,2), B(6, 10),Cによってつくられる三角形が, 線分AB を底辺とし、線分ACの長さが10である二等辺三角形であるとき,点C の座標を求めよ。 ただし, 点Cは第1象限にある. I+a (2)AOB=90°の直角三角形 AOB がある. 線分ABの3等分点を D, E とすれば, OD2+OE2+ED'=[ ] AB2 となる. T (東京工芸大)

《春学期が始まるまでに、新しい実験室の建設は終了きているでしょう。》 どうしてbeenが来るのか分かりません。 will have finishedではなぜダメなのですか？ 解説お願いします🙇

(2) 3 2回目 1回目 1 動詞関連 回目 019. The construction of the new [laboratory will have been finished by the time] the spring semester starts. 未来完了形だと気づけるか? 問題文は 「春学期が始まる」 という未来の1時点までに、 「建設は終了して 「いる」ということなので、 未来完了形 (will have p.p.) がポイントとなり ます。 「~するまでに」 には接続詞 by the time を使います。 20 Everybody knows he [has driven a car since ] he was 19. by the time は つの接続詞と考え る。

この英文の文構造を教えていただきたいです!

But it was not until the 14th century that official documents described the yard as being divided into three equal - parts three feet-with one foot consisting of 12 inches.

熟語の問題です。この3つの問題の答えを教えてください

9 A change of air will ( 1 effect ) her good. 2 give 3 allow 4 do 10 I'm sorry I'm late. I didn't take the traffic conditions into ( 1 deposit 2 picture 3 account 4 belief ). (名城大) ( 北海学園大) 11 Factories and warehouses ( ) open fields as the train gathered speed. 1 made up of 2 were becoming of 3 took parts in 4 gave way to arre(東京慈恵会医科大)

至急⚠️ 奇数の問題の答え合わせをしたいです。 なぜその答えになるのかも教えていただきたいです。 よろしくお願いします。

EXERCISE A >> 空所に入れるのに最も適切なものを選びなさい。 of gabilat S 01 It is difficult ( ) the English exam. ①in passing ge2 to passed 3 to pass 4 pass 〈福岡大〉 ni miwa S to talk 2 talking 02 The young woman had no one ( ) with about her future. 3 of talking to have talked (*) 03 Susan opened the box, ( 2 next 1 but ) to find it empty. 3 only 4 soon lig 〈立教大〉 04 His grandfather lived ( ) ninety-two and was the head of the company for many years. 1 being 3 for being 105 2 to be 4 till he would be BE <東海大 > er It was careless (b) him to forget to lock the door. top bolid W 1 for 2 of 3 with on 08 4 to a don <*> 06 My friends were warned ( ) the mountain in such bad weather. 3 of no climbing to climb 〈センター試験〉 Din climbing 2 not to climb 107 Half of the houses on the island are said ( ①having 2 to be being 3 to have ) damaged by the typhoon. 4 to have been() of warts 80 The boy turned on his father's computer, though he had been told ( 〈 青山学院大 〉 ). 08 1 not do it 2 not to 3 to do not 4 to not 09 The textbook is ( 9D ①easy enough ) for a college student to read. 2 so easy as 3 so easy that 4 such easy (***) The 10 Mr. Smith doesn't know ( 1 way to use 3 the way of use ) a computer and is afraid to touch one. 2 how he should to use 4 how to use <東京経済大 〉 11 I can't decide ( I to if ) go to Australia or New Zealand. 2 whether ③3 whether to 4 to whether <福岡大〉 12 To begin ( 1 from ), let's have a look at Chapter 5. 2 by 3 for 4 with 〈九州産業大〉 □13 To ( ) the truth, I still haven't finished my homework. 1 say 2 tell 3 speak 4 mention 〈大阪学院大 〉 05 95 不定詞

助動詞の問題です。教えてください💦

もっとていねいな言い方で Rewrite the underlined parts in a more polite way. Use would or could. (3-2) Will you wait here a moment, please? Sure. → Could [Would you wait here a moment, please? 1) Can I have a look at your album? - Of course, you can. 2) Excuse me, can you please open the door for me? My hands are full. 3) What do you want for dessert? - Can I have an ice cream? 4) We're having a party next Saturday. Do you want to come?

どなたか教えてくださいm(_ _)m

Exercise 内に当てはまる語 (句) を ①~④のうちから1つ選びなさい。 1. Cathy and I ( 1 had ) studying at the library at that time. 2 have been (3) was 4 were 2. The meeting ( ) at two tomorrow. ①has started 2 started 3 starts 4 will have started 3. We will get on the bus if he ( 1 came 2 comes ) here on time. 3 is coming 4 will come 4. Nao ( ) the piano since she came home. ①had played 2 has been playing is playing 5. Our team won the soccer game because we ( 4 plays ) very hard. ①are practicing 2 had practiced 3 has practiced 5. Paul ( ) in Japan for five years next year. ①has lived 7. "Some more coffee?" "No, thank ① am being 2 had had Kaito told me that Mr. Jones ( 2 is living you. I ( 3 was living ) enough." 3 have had ④ practice Revad 11 4 will have lived 4 was ) Japan for Canada. ①had left 2 has left 3 was being left 4 will have left

高校の教科書の問題です。今度テストに出るところなので答えを教えて欲しいです！

Vocabulary 10 Compound nouns 1 Write a word to make three compound nouns. mail 1 business fire man 2 Write a compound noun from Exercise 1. ESSO 2 pop 3 rock 4 ache lights 2 1 gas station phones movie break 3 beans shop return 5 parking single 6 cut 5 6 brush salon for a headache gas 7 train 8 bus cook 9 text note 10 set glasses screen light cop jam 70 Unit 10 Our interactive world 7 8 3 Answer the questions using a compound noun. 1 When do people take aspirin? 2 If you want a recipe, where do you look? 3 Who delivers the mail to your house? 4 If you park in the wrong place, what might you get? 5 What should you put on your skin before you sunbathe? 6 What can you watch at the end of the day? 7 What must you switch on when you are driving at night? 8. Where can you get gas?

これの並び替えができません 教えてください

③3 与えられた状況に合うように( )内の語を並べかえ, 全文を書きなさい。 ただし、不要な語が 1つずつ含まれています。 AB (1)状況 車の整備士をしている兄が言うには･･･。 Automobiles have hundreds of parts, and (broken/can / cause/some/able / serious / parts) car accidents.

助動詞のwouldとcouldを使う問題です。教えてください。🙇🏻‍♀️

もっとていねいな言い方で Rewrite the underlined parts in a more polite way. Use would or could. (3- Will you wait here a moment, please? Sure. - →Could [Would] you wait here a moment, please? 1) Can I have a look at your album? - Of course, you can. 2) Excuse me, can you please open the door for me? My hands are full. 3) What do you want for dessert? 1 Can I have an ice cream? 4) We're having a party next Saturday. Do you want to come?