2番 OQ=AQなのですか？

S 基礎例題 58 3点O(0, 0, 0), A(1,2, 1), B(1, 4, -3) について (1) 2点A,Bから等距離にあるz軸上の点Pの座標を求めよ。 (2)13点 0, A, B から等距離にある, xy平面上の点Qの座標を求めよ。 CHARL & GUIDE 2点A(a1,a2, as), B (61, 62,63) 間の距離 AB=√(bi-a)+(b2-a)+(b-a3 ) 2 (1) 2軸上の点→x座標とy座標が z 座標が 0 (2) xy平面上の点 であることに着目すると (1) P(0, 0, z), (2) Q(x,y, 0) とおける(p.408参照 “等距離” という条件をもとに方程式を作り, zやx, yの値を求める。 ■解答 (1) 点Pはz軸上にあるから, P (0, 0, z) とおける。 AP=BP であるから AP2=BP2 ゆえに (0-1)+(0-2)^2+(z-1)=(0-1)+(0-4)^+{z-(-3))2(木) Ft J 2 I 2 2 41), よって -2z+6=6z+26 これを解いて z=- 豪華街頭は行 したがって,点Pの座標は (0, 0, -1/2) 50③ (1) x2+y^+02=(x-1)+(y-2)+(0-1) 整理して x+2y=3 OQ2=BQ2 (2) 点Qは xy平面上にあるから, Q(x, y, 0) とおける。 OQ=AQ であるから OQ²=AQ2 ゆえに よって -2x-4y+6=0 また, OQ=BQ であるから ゆえに x²+y²+0²=(x−1)²+(y−4)²+{0−(− 3)}² よって -2x-8y+26=0 整理して x+4y=13 ① ② を解いて x=-7, y=5 したがって、点Qの座標は ■基礎例題 4200 5 (-7, 5, 0) 2 ...... ① ② が出てこないよう 両辺を2乗する。 A≧0, B≧0 のとき A=B⇒ A=B² (*) 展開すると両辺 が出てくるが、整理 との1次方程式 る。 ←OQ=AQ=BQ であるから OQ=AQ,00

restを使って文を作ることは出来ますか？

man was not guilty*. 2 は有罪ではないという結論 16 1. 日本語の意味に合うように英文を完成しなさい。 なお (2) (3) については,( べかえなさい。 today. 1) 彼女はなぜ今日休んでいるのかしら. I wonder why 2) トムは何時に着くか知 is absent She is 15 test 48 玄した。 LICS PE 有罪の 内の語を並

the process of getting to (that) magical point at which one can execute a gymnastics move, play the guitar,or ride a bicycle with ease oc... Read More

オレンジの線が引かれてるところの文構造がわかりません。文構造の解説をしてほしいです🙇🏻‍♀️🙇🏻‍♀️

5 Many linguists predict that at least half of the world's 6,000 or so languages will be 1-11 デッド dead or dying by the year 2050. Languages are becoming extinct at twice the rate of endangered mammals and four times the rate of endangered birds. If this trend 20 continues, the world of the future could be dominated by a dozen or fewer languages. Even higher rates of linguistic devastation are possible. Michael Krauss, director of 1-12 ディバステーション the Alaska Native Language Center, suggests that as many as 90 percent of languages could become moribund or extinct by 2100. According to Krauss, 20 percent to 40 percent of languages are already moribund, and only 5 percent to 10 percent are "safe" in the sense of being widely spoken or having official status. If people "become wise 10 and turn it around," Krauss says, the number of dead or dying languages could be more like 50 percent by 2100 and that's the best-case scenario. The definition of a healthy language is one that acquires new speakers, No matter 1-13 how many adults use the language, if it isn't passed to the next generation, its fate is already sealed. Although a language may continue to exist for a long time as a second 15 or ceremonial language, it is moribund as soon as children stop learning it. For example, out of twenty native Alaskan languages, only two are still being learned by children. Although language extinction is sad for the people involved,) why should the rest of us care? What effect will other people's language loss have on the future of people who speak English, for example? (A)Replacing à minor language with a more widespread one may even seem like a good thing, allowing people to communicate with each other more easily. But language diversity is as important as biological diversity. Andrew Woodfield, director of the Centre for Theories of Language and Learning 1-14 in Bristol, England, suggested in a 1995 seminar on language conservation that people do not yet know all the ways in which linguistic diversity is important. "The fact is, no s one knows exactly what riches are hidden inside the less-studied languages," he says. Woodfield compares one argument for conserving unstudied endangered plants (that they may be medically valuable with the argument for conserving endangered languages. "We have inductive evidence based on past studies of well-known languages that there will be riches, even though we do not know what they will be. (B) It seems paradoxical but it's true. By allowing languages to die out, the human race is destroying things it doesn't understand," he argues. Stephen Wurm, in his introduction to the Atlas of the World's Languages in Danger 1-

解説と回答を教えていただきたい、問題があります。 前置詞の問題なのですが、何度解いても、正解にならず、困っています。 写真を添付しておきますが、一応問題文も書いておきます。 ( )①〜④に適切な前置詞を書き入れなさい。 1 ( ) French writer ... Read More

Reading Comprehension I 次の文章を読み、 後の問いに答えなさい。 Arsene Lupin is the main character created ( ) French writer Maurice LeBlanc ( ) the early 20th century. Lupin is a gentleman thief, who is good ) wearing disguises. He is a nice and witty person and he doesn't harm the poor and innocent. In fact, he gives them gifts as acts of kindness. ℗ To do this, he steals mainly from the rich and powerful who don't respect art or their treasures. Lupin is different from regular robbers, who steal from everybody and sometimes kill or hurt people getting in their way. ® Because he sides with the weak and crushes the strong, he receives widespread support from people in many countries. Lupin the Third, the Japanese familiar animated cartoon character, is named ) a grandchild of Arsene Lupin. For that reason, he doesn't murder for money and jewels. 注 wearing disguises 変装すること 15 cartoon 漫画・アニメ

英語の問題教えてください。 「英文法から学ぶ英作と読解」というテキストからです。 写真の問題を教えて頂きたいです。 解説や覚えておいた方がいい所などありました、そちらもよろしくお願いします。 写真と問題を書いておきます。 問題文を書いておきます。 ( )①〜④に適切な... Read More

Reading Comprehension I 次の文章を読み、 後の問いに答えなさい。 Arsene Lupin is the main character created ( ) French writer Maurice LeBlanc ( ) the early 20th century. Lupin is a gentleman thief, who is good ) wearing disguises. He is a nice and witty person and he doesn't harm the poor and innocent. In fact, he gives them gifts as acts of kindness. ℗ To do this, he steals mainly from the rich and powerful who don't respect art or their treasures. Lupin is different from regular robbers, who steal from everybody and sometimes kill or hurt people getting in their way. ® Because he sides with the weak and crushes the strong, he receives widespread support from people in many countries. Lupin the Third, the Japanese familiar animated cartoon character, is named ) a grandchild of Arsene Lupin. For that reason, he doesn't murder for money and jewels. 注 wearing disguises 変装すること 15 cartoon 漫画・アニメ

分詞1 答え合わせお願い致します🙇‍♀️

④「~なので」 <理由> : Being very A 次の日本語の意味に合うように,( )に適切な語を入れな 1. 私を見て、子どもたちは私の方へ走ってきました。 (Looking ) me, the children came running to me. 2. 姉は歌を歌いながらお風呂に入っています. My sister is taking a bath, (singing ) a song. 3. 彼は教室に入り, 帽子をとりました. He entered the classroom, ( taking 4. 浜辺を歩いているとき、私はきれいな貝殻を見つけました. (Walking) along the beach, I found a beautiful shell. 5. 疲れているので、早く寝るつもりです。 ( Being ) tired, I will go to bed early. 6. 彼は携帯電話で話しながら, ソファーに座っていました. He sat on the sofa, ( talking ) on his mobile phone. 7. 彼女は子どもが大好きなので, 保育士になりました. (Loving) children, she became a nursery school teacher. 8. アレックスはギターを弾きながら、 私にほほ笑みかけました. Alex smiled at me, (playing) the guitar. ) off his hat.

教えてください

Go on with your story. It's so interesting. ④ Give up ③ Stop ⓘ Continue ② Finish □129. Do you agree with what he came up with? ④ proposed (3 advised ② brought ⓘ said 130, I don't care for that color very much. ① dislike ② like suppose □131. 彼の夢は実現した。 His dream has ( ) true. C 131~133 は, ()に入る最も適当なものを選びなさい。 134~135 は, 空所に入る適語 を記入しなさい。 ① become 2②come ③ got ④ realized □132. 今年は早く雨期になることが予想される。 The rainy season is expected, to ( ⑩ keep on ② make up ③ take in □133. あとは実行あるのみだ。 All that is left is to ( ⑩ put it from ② turn it from □134. 私は辞表を提出した。 I handed ④ think of ) practice. □135. その事故はいつ起こったのですか。 When did the accident take 12 LESSON 3 ) early this year. ④ set in put it into 4 turn it into my resignation. ( 青山学院大 ) る □136. I'm trying to recover from the shock. = I'm trying to ( ) the shock. ① get across ② get above 3 get out 4 get over □137. Can you distinguish between a mouse and a rat? =Can you tell a mouse ( ) a rat? ①or ② to ③ from ④ beside □138. The baseball star ignored his coach's advice. = The baseball star did not pay any a (中部大) (学習院大 ) (駒澤大) (福岡大) (学習院大) D 136~137 は, ()に入る最も適当なものを選びなさい。 138~140 は,空所に入る適 を記入しなさい。 (奈良大 (成 to his coach's adv

どう考えればいいのか教えて欲しいです。

(a) w+ ñ: 17 w²+1 #1 313

36〜40、教えてください

D36~37 は,( )に入る最も適当なものを選びなさい。 38~40 は,空所 入しなさい。 4 t ts 36. Don't extinguish the light. =Don't turn ( ) the light. 0 on 2 to 3 over 4 off 37. The boy found some money by chance in the park. = The boy ( ) across some money in the park. 0 met 2 came 3 got 4 saw 38. The vending machine is out of order. =The vending machine has 39. She put on the party dress to see if it fit. =She on the party dress. 40. He speaks Spanish fairly well. = He is fairly 4 LESSON 1 down. at speaking Spanish.