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数学 高校生

(2)の線を引いたところが分かりません!求め方を解説お願いします🙇🏻‍♀️

第5問 (選択問題) (配点 20 正射影されたベクトルについて考える。 (1) d = 0, 万 0 とする。 右の図において、夢をのへの正射影ベクトル という。 すなわち万の始点、終点をそれぞれ A, B とし, A, B から に平行な直線に垂線 AA', BB' を引くとき、 AB' が の への正射影ベクトルアである。 ことのなす角が0° < 0 90° を満たすときとは向きが同じである から,' =ka (kは正の実数)と表される。 そこで, kを次の方針1または方針2によって求めてみよう。 がとらのなす角であるから ME 方針 1 の大きさは万の大きさと0を用いてア と表される。 からkを求める。 B Ax 方針 2 条件より, このことからんを求める。 イ A' が成り立つ。これらのこと と d が垂直であるから, ウ との内積は0である。 (数学ⅡⅠI・数学B 第5問は次ページに続く。) 方針 1,方針2より,k= の解答群 Obsin 0 6 sin イ の解答群 sin0 = sin0 = a・b a.b |ab| の解答群 a の解答群 a2 a・b I ① cose 6 cos 0 4 であるとわかる。 ① cost= ④④ cost= ① B' 62 a.b ab a・b a.b ab 4² ②6tane 6 tan 0 ⑤ 1? (02Q2 2b+b a・1 tan 0 = tan 0 = ab a.b a・b ab (3 7-6 a.b b Z (数学ⅡⅠ・数学B 第5問は次ページに続く 広 =k (2)

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英語 高校生

問題を解いたのですが答えが分かりません😭教えてください🙏

テーマ 資源・エネルギー 10 文法項目 動名詞(いろいろな形/動名詞と不定詞) UNIT 6 Reading Track 29-30 HUNDR パンダのふんの研究が、いつの日か環境問題の解決に寄与するかもしれません。 In June, 2016, a baby *giant panda, Tian Bao, was born at a zoo in Belgium. It became big news because the birth of a baby panda is an *extremely Actually, that of Tian Bao was only the sixth in Europe in the last 20 years. While its population is slowly increasing, the giant panda remains one of the rarest animals 5 in the world. Therefore, scientists have been doing research on how pandas have babies. rare event. So, you may think the scientists working at the Belgium zoo *accomplished the goal of their research. But they have another goal; apart from having done that research, they've been studying panda *poo. Why are they doing that? G Som pluoda Dol Tian Bao's mother Hao Hao and its father Xing Hui live in the same zoo as their baby does. While they enjoy sitting in the sun and eating bamboo, iedario ew dinga 2.5T (s) the scientist team collects their poo. By studying the poo, the team is aiming to understand how pandas can digest bamboo. Note 30 In fact, bamboo is receiving a lot of attention in biofuel research these days. 15 It's among the fastest-growing plants on earth, and yet needs the least care. So the in hewa plant can become a good source of *renewable energy. But because bamboo is very tough and hard to *degrade, today's method for making a biofuel from bamboo costs a lot. *Technically, pandas are meat-eating animals, but over the years the food they eat 20 has changed to almost only bamboo. The scientists are trying to find the *microbes that help a panda digest about 10kg of bamboo a day. By using these microbes, they will be able to discover an easy and cheap method for ( 4 ). It may take time, but some day panda poo may help cars run. (296 words)

解決済み 回答数: 1
英語 高校生

問題解いたのですが答えをしりらないので合ってるか分かりません。どなたか教えてください🙏

テーマ 資源・エネルギー 10 文法項目 動名詞(いろいろな形/動名詞と不定詞) Track 29-30 UNIT 6 Reading URELL パンダのふんの研究が、いつの日か環境問題の解決に寄与するかもしれません。 In June, 2016, a baby *giant panda, Tian Bao, was born at a zoo in Belgium. It became big news because the birth of a baby panda is an *extremely Actually, that of Tian Bao was only the sixth in Europe in the last 20 years. While its population is slowly increasing, the giant panda remains one of the rarest animals 5 in the world. Therefore, scientists have been doing research on how pandas have babies. So, you may think the scientists working at the Belgium zoo *accomplished the goal of their research. But they have another goal; apart from having done that research, they've been studying panda *poo. Why are they doing that? Bm Dimoda ro Tian Bao's mother Hao Hao and its father Xing Hui live in the same zoo as their baby does. While they enjoy sitting in the sun and eating bamboo, with ow dirg.or the scientist team collects their poo. By studying the poo, the team is aiming to understand how pandas can digest bamboo. rare event. 2 Note In fact, bamboo is receiving a lot of attention in biofuel research these days. 15 It's among the fastest-growing plants on earth, and yet needs the least care. So the plant can become a good source of *renewable energy. But because bamboo is very tough and hard to *degrade, today's method for making a biofuel from bamboo costs a lot. *Technically, pandas are meat-eating animals, but over the years the food they eat 20 has changed to almost only bamboo. The scientists are trying to find the *microbes that help a panda digest about 10kg of bamboo a day. By using these microbes, they will be able to discover an easy and cheap method for ( 4 ). It may take time, but some day panda poo may help cars run. (296 words)

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英語 高校生

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

未解決 回答数: 1
英語 高校生

答え教えてください!

Drilis Fill in the blanks and complete the sentences. A 1. Montreal in Canada is the ( ) ( カナダのモントリオールは, メール友だちが住んでいる都市です. ) ( 夏は私たちが旅行を楽しむ季節です. 2. Summer is the ( 3. Judy is honest. That ( ). ( ジュディは正直です. そういうわけで私は彼女を信頼できます. 4. This ( ) ( このようにして, 私は昨年, 彼と知り合いになりました. ) my email friend lives. ) we enjoy traveling. 2. Yesterday my sister made us lunch, 3. She went to Rome, 4. We visited our grandmother last Saturday, 2 Make the two sentences into one. Pay attention to the underlined words. A Example: This is a store. (You can buy jeans at a low price there.) This is a store where you can buy jeans at a low price. 1. They visited the village. (The famous scientist was born there.) 2. She will never forget the day. (She first met him on that day.) 3. I don't know the reason. (He was angry with me for the reason.) CC I can trust her. ) I came to know him last year. A 3 Choose appropriate words from a) ~ d) to complete the sentences. B 1. I have a Korean friend, 3. 4 Complete the sentences and read them aloud. Grammar in Context a) where she stayed for three weeks. b) which was very good. c) who is studying at a college in Kyoto. d) when we saw the fireworks together. Australia 1. オーストラリアはアボリジニ (the Aboriginal Australians) が住んでいる国です . their sacred place. 2. オーストラリアの世界遺産の1つはウルル (Uluru) です. それは彼らの聖地です . the Aboriginal name "Uluru" rather than the English name "Ayers Rock." そういうわけで、私たちは今は英語名の 「エアーズロック」よりアボリジニ語名の「ウルル」を 使っています. Grammar for Expression [Can-Do 理由を述べる ] Replace the underlined parts with your own words and give a reason for your statement. My sister really likes sweets. She often eats chocolate between meals. That's why she has tad

未解決 回答数: 1
英語 高校生

ビジョンクエスト ワークブック1の49ページの問題です。先生に印刷してもらった解答を捨ててしまい、答え合わせが出来ない状態です。 答え、もしくは答えを写真で撮ったものを教えて下さると幸いです。よろしくお願いします。

夕 3 日本語に合うように,( )内の語句を並べかえて英文を完成させなさい。 □ 1.次のバスまで1時間待たなければならないので,歩いたほうがよさそうだ。 (京都精華大 ) We'll have to wait an hour for the next bus, so (well / we / as / might / walk) A 2. 温かいお風呂に入ると、 あなたはよく眠れるかもしれない。 Taking a warm (may / you / help/sleep/bath/better). 3. 長時間働いた後でさぞお疲れでしょう。 You (tired/working/after/must / long hours / be). ES/be 4. 君はそんなに食べるべきではなかった。 You (not / to /eaten/ought / have) so much.log of 8 ) 5. タカ「コンピューターがこの数日間, 動くのが本当に遅いんだ。」 メグ 「あら。 ひょっとするとウイルスに感染したのかもしれません。」 Taka: My computer has been running really slowly the last few days. Meg: Oh dear, it (a virus / been/ have / infected/might / with). tod ■ 6. スタッフの中には計画の変更を知らされていない者もいた。 4 日本語に合うように、[ ]内の語を使って英文を完成させなさい。 1. この種のことは,一般に許されるべきではない。 [should, allow] This sort of thing 2. 私たちの世界には、想像できないような出来事があり得る。 [event] In our world, unimaginable □ 3. 最近, 地球温暖化に対する関心がはるかに薄いと思う。 [pay] I'm afraid much less attention 4. ダイエット中にパンやお米を食べ過ぎてはいけない。 [had, too] You ow of gridianoa (西南学院大 ) Some of the staff (to/informed / been / the changes / haven't / of) the project. in general. (センター * ) (龍谷大*) (和光大) ■ 2. 私たちはパーティーをキャンセルする前に彼女の意見を聞くべきだった。 SCRITO (センター) omoa ( 八戸工業大 * ) 5 次の日本語を英語に直しなさい。 m ■ 1. この本は明日までに図書館に返さなければならない。 (This bookで始まる文に) (大阪市立大 * ) RAHOIT global warming lately. (福岡大*) OT (近畿大) bread or rice while you are on a diet. (学習院大) (京都産業大 * ) 助動詞 受動態 49

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