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... 続きを読む

英語の比較と受動態の問題です。答えを教えてください。 至急です!

✓ 1 次の文の( )内から適する語句を選びなさい。 (1) I amas (アtall taller ウ tallest I the tallest) as Tom. <栃木〉 (2) Which do you like (アgood イ well ウ much エ better), cats or dogs ? <沖縄> (3) Mt. Fuji is higher than (アno イ any ウ some I each) other mountain in Japan. <城北> (4) New York is one of (ア a big city イ the big city I the biggest cities) in the world. <京華> (5) A: Can you cook? <千葉> B: Yes, I can cook as (ア well イ warmer ウ better エ best) as my mother. に適する語を書きなさい。 2 次の各組の文がほぼ同じ意味になるように, Mary came earlier than Frank. Frank came (2) DO STEP 200 (3) (5) Mary. John can play the guitar better than Paul. Paul play the guitar as This question is not as difficult as that one. That question is I get up earliest of all the boys in the class. I get up earlier He does not have as many books as I have. I have books 語句 □runner: 走者 other than this one. he has. ウ the biggest city 次の日本文の意味を表す英文になるように, (1) 走ることではだれも彼にかないません。 He is the runner of us. (2) きみのお姉さんは, きみよりもピアノが上手なのですか。 Is your sister (3) 信濃川は日本でいちばん長い川です。 The Shinano is (4) あなたは,手紙とEメール,どちらがより好きですか。 do you like (5) 彼のお姉さんはますます美しくなっています。 His sister is getting as John. に適する語を書きなさい。 比較 <近畿大附〉 letters or e-mails? 〈実践学園改〉 in the class. playing the piano than you ? 〈東京工業大附科技) 〈 広島大附〉 ( 大阪女学院) all the rivers in Japan, beautiful. €

答え合わせと問3の（2）と（3）教えてください🙇‍♀️

問1 次の(1)~(3)が意味の通る英文になるように,( )にあてはまる最も適当な語を, 〔 3 内のア~ウから1つずつ選び、その記号を答えよ。 (1) I like swimming in the sea ( ) summer. イ in [ア on ウ at 〕ion 次の各問に答えよ。 (2) Don't ( ) the guitar here. (7 play 1 playing plays ) pah) loorba )of all animals. 1 better ob best ] (3) I like cats the ( [ア well 問2 次の(1)~(3)の日本文の意味を表す英文が完成するように, ()内の語をすべて1回ずっ 使って並べかえるとき, ()内で2番目と4番目にくる語の記号を順に答えよ。 ただし､ 文頭にくる語も小文字で示している。 (1) 私はふつう夕食の前に宿題をします。 I usually (アhomework イ before (2) リサは由美と同じ年齢ですか。 (アas ウold is I Lisa ) as Yumi? Contor (3) あなたは私の父が博物館で働いていることを知っていますか。 Do (ア my イ works ウ you エ father オ know) at the museum? usm wollt ウ my I do) dinner. 75ba02 10T 問3 次の(1)~(3)の各文を,〔 語を1話ずつ順に答えよ。 (1) This book is interesting. [ 「あの本よりもおもしろい」 という意味の文に This book is( (2) How about going to the zoo next Sunday?〔ほぼ同じ意味を表す文に ) ( 〕内の指示にしたがって書きかえるとき,( )にあてはまる 神意の文本日 ) interesting than that one.TJAXOS ) to the zoo next Sunday. A 008 ČEŠN (3) I got some pictures from Ryota yesterday. 〔ほぼ同じ意味を表す文に〕 Ryota (A)( ) ( ) yesterday.

わたしは、ギターをひくことを楽しみます。 を英語で教えてくださいm(*_ _)m

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-

線引いてあるところ書き換えお願いします

so we drove to a supermarket parking lot. We stayed r car for five hours. We were too scared to get out. Finally, we spoke to a police officer passing by. He guided he local shelter. I didn't know about it until then.

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 ... 続きを読む

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... 続きを読む

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