ピンクの線で引いた1ってなんですか？ また、なぜ1が使われるのでしょうか？

10 36 第1章 | 平面上のベクトル 40AB において, 辺OA の中点をC, 辺OB を 2:1に内分する 応用 例題 点をDとし,線分 AD と線分BC の交点をPとする。 4 /OA=4,OB=0 とするとき, OP を a, を用いて表せ。 考え方 31 ページで学んだように, AP:PD=s: (1-s) BP:PC=t: (1-t) とおくことができる。 このとき, OP は a, を用いて2通りに表すことができる。 14ページで学んだ ように, OP の表し方はただ1通りしかないことから s, tの値 が定まる。 ●, op=od + □ , OP = a+b = O AP: PD=s: (1-s) とすると OP=(1-s) OA + SOD S 2 =(1-s)a+s 3 .... ① P b BP:PC=t: (1-t) とすると A B OP = tod+(1-t)OB = ta +(1-1) b... 2 at $ ¥0 で, ことは平行でないから OP の , を用 いた表し方はただ1通りである。 ①②から 2 1-8-18-1-1 1-s= -t, 3 s=1-t これを解くと 3 ①,②のどちら 2 かに代入する。 よって OP=1+16 △OAB において、初OAを20に八 5 解答 S D

上の式を変形すると下の式になるのですが、変形の仕方がわかりません🙏🏻💦💦💦😶‍🌫️😶‍🌫️💦

SAD x² + 3 { m ( x + 1/ + 3 2 ² - 12 ✓ (3 m² + 1) x² + 6 m (m+3 ) x + 3 (²+bm+5) = 0

添付画像１枚目の（６）について、点Sは「角AOBの内角の二等分線」と「角Aの外角の二等分線」の交点ですが、赤線の（ベクトル）ASの出し方がわかりません。 教えてほしいです。

6・4 △OAB において UA = 5, OB=6, AB=9 とす る. (1) OAとOBの内積はアである. (2) △OAB の重心をG とすると, OG=イ (OA+OB) である. (3) △OAB の内心をPとすると, OP=ウOA+ エ OB である. (4) △OAB の外心をQとすると, 160Q=オ OA+ カ OBである. (5) 頂点Oを通り直線ABと垂直に交わる直線を Z,頂点Aを通り直線OBと垂直に交わる直線を l,頂点Bを通り直線OA と垂直に交わる直線を SOFIA 1 どする.このとき, 3本の直線Z1,Z2,Z は1点 R で交わり, -80R = キ OAク OB である. (6) 直線OA, 直線 OB, AB のすべてに接する 円のうち、中心が △OAB の外部にある円を考えて, その中心をSとする. このとき OSケ OA + コ OB である。

答えがなくて分かりません。教えてください🙇‍♀️

Part 2 どのように食べるかは地域や文化によって異なります。 requ 3 Nowadays, about 40 percent of the people in the Mide (mid ute lju: tex (tek world eat food with their hands regularly. Most of them are in Africa, in the Middle East and in some parts of Asia. They believe hands are cleaner than other utensils, which can be used by someone else. s When you eat with your hands, you can feel the texture and temperature of food and it makes food taste better. In some regions, however, the left hand is never used because it is considered to be unclean.uth re [ri: ur [A 4 Another 30 percent of the people in the world, 10 E mainly in East Asia, use [i chopsticks. They are useful C [t for eating sticky or hot food. They can also cut food into smaller pieces, mix ingredients before eating, and S carry food into the mouth. Which do you think is better to use, hands or chopsticks? 15 hands

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E. 次の文の文構造を下の |内から選んで答えなさい。 ( 1*8) (N) The boys looked happy. (2) We will swim in the sea tomorrow. (3) I like his songs. 2011 (4) The movie made me sad. (5) My father bought me a smartphone. eud ant (6) I am not busy. now. heairons (7) Kate often makes me cookies. (8) Kevin gave a book to me. (S+V) (S+V+C) (S+V+O) <S+V+O+O> (S+V+O+C) F. 次の文と同じ文構造を持つ文を,下の内から2つずつ選び、記号で答えなさい。 ( 15 完答) (1) They watched this movie last Saturday. (2) My sister became a math teacher two years ago. (3) My brother can run fast. (4) Her grandmother made hera bag. (5) We call this cat Momo. ア I borrowed some books from the library. X My cat is under the desk. ウ His uncle showed me some pictures. オIt is getting dark. 3 4 This story makes everyone happy. カ I didn't join the party last night. ク Please keep the room warm. キ His words sound true. 45 I sent Jane an e-mail. ▽ My grandfather walks in the park every morning. 2 次の Vision Quest Workbook の問題にそれぞれ答えなさい。 [30] A. 適切な冠詞を下線部に入れなさい。 冠詞が必要ない場合は×と答えなさい。 (1*5) 1. Take umbrella. 2. I have dog and a cat. dog sleeps under my bed. 3. He has useful information. 4. I don't have homework today. 5. earth. moon is smaller than B. [ []内の人称代名詞を必要に応じて適切な形にして、英文を完成させなさい。 (1*5) visited 1. 昨日、祖母の家を訪れた。 2. パーティーで彼を見かけた。 Isaw at the party. [he] 3. 彼は私たちにその写真を見せてくれた。 Tom showed 4. 私たちは彼らのサッカーの試合を見に行った。 We went to watch soccer game. [ they ] 5. 「これはあなたのものですか。」 「いいえ,それは彼女のものです。｣ "" "Is this yours?" "No, it's [ she ] adysg grandmother yesterday. [I] the picture. [we] phiypla Baid edi

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2020年度 英語 京都産業大-公募推薦11月16日 京都産業大-公募推薦11月16日 2020 年度 英語 (B]次の会話文を読んで,空所をうめるのに最も適切なものを一つ選び, その番号 をマークしなさい。 Mike: Pea soup? No way! Well, you chose the museum, so how about if I ( 19 )? Jack: That sounds fair. Let's go. I like their pizza. Jack and Mike are in an art museum. 16) Jack: Hey, look at this one! What a fantastic sculpture! 1. show me a rock Mike: Uh, what is that? 2. stop you praising it Jack: I don't know, but it's quite amazing. Just look at how the shape curves up 3. make me depressed from the floor, and the color and the texture give it a feeling of sadness. 4. help you understand it Mike: Huh? What are you talking about? I just see a rock. Jack: No, no, no! You have to look at it in a different way. Here, read the tite 7) and description of the piece. Maybe that will ( 16 ). 1. can't imagine Mike: The piece is called The Edge of Dawn." It says here that the artist 2. want to tell us wanted to create the feeling of an early morning on a rocky beach. Well, I understand the "rocky" part, but not much else. The only thing I feel is 3. say about Rembrandt hungry, because it's lunchtime. 4. don't like about the beach aleg Jack: Unbelievable! I think that the artist wants to challenge us to imagine how he felt when he created the piece. You know, most artists have something 18) d or *they( 17 ), or something they want us to think about. 1. No, I'm not. Mike: You're kidding, right? I's just a rock in a room. There's no special 2. That's not true! meaning. 3. If it's lunchtime, Jack: You're not an art lover, are you? 4. You mean, classical music? Mike: ( 18 )Ilove Rembrandt and all the classic works. People, buildings, bowls of fruit, they all look so real. But this modern art? Even I could do 19) that! 1. stay here Jack: Ah, but you didn't. Maybe that's the difference. Anyway, I like it a lot. 2. eat by myself Mike: Okay, let's agree to disagree. Everyone has their own opinion, I guess. 3. agree with your choice Anyway, are you ready for lunch yet? I heard there's a great Italian 4. decide the restaurant for lunch restaurant just down the street. Jack: Or we could eat in the museum cafeteria. They make a good pea soup. HRNO. L NAME C

赤で丸されてる番号の文型がよくわかりません汗教えていただきたいです。

間 次のそれぞれの文が1文型~5文型のいずれかを答えなさい。 Jconsider him a very able student. 0 1 3 She keeps a diaryto remind her of her appointments> 2 The Governor set the prisoners free. 5 3 S My cousin is yery moody. 4 e tod 5 John protected his kid sister, S to nl t I saw a cockroack in the kitchen) Y He shot the bird. sT They ail wished him a safe journey. 4 bam y 6 oi Laruode 7 S My cousin is at the bowling alley( 3 V This suit only cost me forty dollars. 9 10 aetgsa bong, / S 11 He pushed the button to call the lift.> t O1 1 ol Cir S Y 12 The question is whether we cancel our trip or not. mo nd d nosjne S I gave the door a couple of kicks. S V My.cousin is a delinquent kid. 13 14 hebnog tertirtbm ono boffegy S V C Mrs. Johnson makes herliving by writing books. 15 マ/o nd S 16 Wet wood doesn't burn'v very well. Toodbe eda cr S 17 The story made me sad. V d ent s O C 18 The singer held the microphone close to his mouth. 45 5 ○1

英語の間違いを正しく直す問題が分からないので誰か教えてください！！

D 英文の間違いを訂正する問題 8問 Alot of animals in this national park look more aggressive than one in zoos. I had a lot of difficulty before enter this university. その大学に入る前に大いに苦労したよ。 She stopped to study because of the noise from the outside, but she started to stud again. It can be dificult to keep the teeth of the animals in this zoo health. He is a scholar knew all over the world. 彼は世界中で知られている学者です。 私は100以外の数字が必要です。 I need a figure the other than 100. A disappointing lawyer looked very sad the other day.がっかりした弁護士は先日悲しそうに見えた。 Many attention should be paid to the issue of declining birthrate in Japan. A surprising doctor looked surprised at the surprising result of this patient. I object to drinking polluting water in the sea.私は海の汚染された水を飲むのには反対です。

workbook for practiceのlesson15の問題の答えを教えて欲しいです🙇‍♀️全てでなくてもわかる所を教えて下さると助かります。

9nT97012 DINOna go MC ocCLa (A次の各文の空所に入る最も適当なものを1つずつ選びなさい。 faly ths win 1.() number of people went to see fireworks. w sd yobrot 3 Many aceoOA (国土舘大) Amu jesgof の Much 2 The 2. Do you have ( ) about this city? 10. O any information 2 some informations 3 pieces of information の any informations aid/et aid ast so (熊本県立大) 3. Have you made ( ) with the dentist? Oa reservation 2a disappointment 3 an appointment a booking AT6(神奈川工科大) 4. A:Did you enjoy the trip to Disneyland? B: Yes, it was ( ). 0a lot of fun 2 heaps fun 3much of fun の very fun (愛知淑徳大)

SVOCが全く分かりません 答えを教えて下さい

教科書 p.10 Pre-Lesson 5 文構造 次の文の下線部の主要素を下の 内から選んで( )内に書きましょう (1) He lives in Australia. (2) I play basketball every day. (3) My father sometimes makes lunch. (4) That actor is very popular. We ran in the park yesterday. (6) Igave her a birthday present. (7) Mary showed us her dog. (8) Ken calls his sister Yuki. S(主語) V(動詞) 0(目的語) C(補語) Hgw 2 次の文の文構造を下の ]内から選んで( )内に書きましょう。 (1) The boys looked happy. ( miwr ni (2) We will swim in the sea tomorrow. (3) I like his songs. alg aio (s p nal ste (4) The movie made me sad. ow onsig (alg (5) My father bought me a smartphone. olg do (6) Iam not busy now. y ovo ( (7) Kate often makes me cookies. rid otifw h( (8) Kevin gave a book to me. bo ( (S+ V)(S+V+C)(S+V+O〉(S+V+O+0) (S+V+0+C