cos5/4πはルートになおすと？

数A三角形の性質の問題です🙇🏻‍♀️ (2)の線を引いた部分が、なぜ左辺が最大辺になるのか教えてください。

よって, $+(SX 78-SX 0S-081)= (1) 3辺の長さがx+3,x+7, 3x+1である三角形について,xのとり得る値の範囲を求 6 めよ. (2)3辺の長さがx+3,x+5,x+7である三角形が鈍角三角形となるようなxの値の範 囲を求めよ. AMIKAA (1) 2辺の長さの和は他の1辺の長さより大きいので, (x+3)+(x+7)>3x+1 ・① ·② (x+7)+(3x+1) > x +3 AQとする (3x+1)+(x+3) >x+7 ①より, 2x+10>3x+1 2x+ x < 9 LINASCO HIGH ② ③より 4x+8>x+3 *>__5 3 44 ......3 さらに,鈍角三角形になるとき, (x+7) ²>(x+3)²+(x+5)² x2+2x-15<0 (x+5)(x-3)<0 ③ ......④ 4x+4>x+7 x>1358 よって, ④, ⑤, ⑥より, 1<x<9 (2)0<x+3<x+5<x+7 より, 三角形が存在する条件 を求め上 は x>-3 かつx+7<(x+3)+(x+5) これより, x> -1 ······ ① ......6 20845500A #18 (8) ....5 ABC of AT&S=OBAS 470 OA #10 # 22 S÷(07-03-081)= a,b,cが三角形の3辺 ←a+b>c, 102=701-02-'08]=> b+c>a, c+a>b -5<x<3 •••••• ②1:3より、ば よって, ①②より, -1<x<3 01 88 ASHI 868-01-8 ATVEDOAR < (残り2辺の和) (最大辺) △ABC において ∠Aが鋭角⇔d²<b+c² ∠Aが直角⇔a=b2+c ∠Aが鈍角⇔ d>b+c 8

この答え教えてください🙏🙇‍♀️

3) 弟は動物の絵を描くのが上手です。(draw, good,is, animals, at) C My brother is good at draming animals. アオイはそんな んなにたくさんの間違いをしたことを恥ずかしく思っている。 (make, of, ashamed, so many) so do 4)

至急❗️答えが合っているか見ていただきたいです🙇 よろしくお願いします

5) (6) (7 (8 (9 50 LESSON 13 Choose (bammolni Encame\\ probare veng hyppor\2262720109 bas Juode) zaronial 1 Choose the best answer to fill in the blanks. (1) (1) There was ( ) audience at the movie theater. Da large 3 many 2 large (4) As I had a bad cold, I was made ( 1 take (2) Always keep a bucket of water handy, ( 1 unless in case of (3) My teacher recommended several books to the class, ( 1 that A 2 which (5) Someone hit me on 1 a (7) I am sure ( 1 not his (8) The girl ( 1 who helle ) fire. 3 to prepare (10) To begin ( 1 at (12) 157 (nodw\ jol 3 one of that 2 to take to take the time. 861 (6) The picture is said (dule) just before he died. 3 be taken having been drawn check my smart2 to be drawn 3 to have been drawn 4 to have drawn (11) This restaurant is ( (1) more (千葉工業大) (四天王寺国際仏教大) 4 his t me on (r) head. an\ayab\board blood) best Foob slijpst 2 an 3 the ) coming to the party. 2 his not 共立女子 ibidezog\mobsent\mont Vi word ) the bitter medicine against my will. 4 taking (9) It is only 6 o'clock in the morning. She ( 1 may still asleep 3 may be sleeping 3 of his not 4 much bit of 4 ready on ) has become a one of which ), you must buy an admission ticket. 2 on with KURSE 4 of not his blan) at this time. 2 might have been sleeping 4 might still asleep ) sweet voice John loves is a good singer. aviah Lotus A 2 what 3 which whose bestseller. 4 from ) nicer than the one I visited last week. 2 too 3 as 4 far (関西学院大) AS (13) Some of the milk turned sour before it reached the market and ( 1 must throw 2 have to be thrown 3 had to throw had to be thrown (近畿大) THIOS (ALLE) (大阪経済大) ) that such a thing would happen to all of the guests staying at the hotel. Little did I dream 2 Little dream did I 3 Little I did dream 4 Little dream I did away. (神奈川大) (奈良) 2 (東邦) (清泉女子大 (1) (芝浦工業大) (2) (3 (²

至急、解答を教えていただきたいです!! 比較級を使った慣用表現です よろしくお願いします🙇🏻‍♀️

24. Light can travel ( 光は何よりも速く伝わる。 Practice 1 ( )内から適切なほうを選びなさい。 回 1. The older you grow, (the wiser / more wise) you become. 2. The princess became ( better and better / more and more) attractive. 3. Beth studies the hardest (in / of) us all. 4. She is one of the most successful ( designer / designers) in the world. 5. I think this question is (very / by far ) the most difficult of the five. 6. This shrine is the (three / third) oldest building in this town. Practice 2 1. Honshu is 2. Mickey Mouse is 3. Diamond is 4. No other book is 5. No other desert in the world is 6. No one in my family goes to bed 1. 1. (a) The cheetah runs ( (b) The cheetah runs faster ( 2. (a) He thinks time is ( (b) He thinks nothing is ( 3. (a) John ( (b) ( Practice 4 [ ]内の語を適切な形にして, 最上級の意味を表す英文を完成させなさい。 BC island in Japan. [big] character in the world. [famous ] Practice 3 絵に合うように、英文を完成させなさい。 C 37.87km* )( 日本 ) ( ) ( 1. Japan is ( 2. Germany is ( 3. Australia is about ( )( )( )( )( )( (35.7万km²) )( any other mineral. [hard] 絵に合うように、英文を完成させなさい。 総合 )( )( to me than the Harry Potter series. [interesting ] as the Sahara Desert. [large] than my sister. [early] Ty ) of all animals. )( ) precious thing. ) as time. ) than any other student in the class. ) in the class is as smart as John. 769.255 km² )( オーストラリア ) as Germany. ) Australia. 3 ) as large as Japan. John ) animal.

1番上の（）には、cultures もしくはculture どちらが入りますか？

B Complete the following table using the words in the box. Change the form of the words if necessary. Paragraph 12 13 4 5 6 7 8 Summary けれども Though romantic love is universal, its expression varies according to (1. Cultures). Fale 83 Some psychiatrists argue that our romantic love is rooted in (2. child hood ) experiences. 9 主張する ~と関係がある Some psychologists argue that our choice of partners has to do with our instinct to have (3. healthy children. Professor Marazzitti argues that the (4. Chemical) condition in our brain and body influences romantic love. Helen Fisher argues that (5.dopamine ) promotes passion and (6.0xytocin) promotes mutual feelings of connection and bonding. We have seen several theories trying to explain love. However, is it possible to explain love completely with (7. Scientific) theories? 化学の 子ども時代 文化 科学の 危険そうな オキシトシン WHEEN ENESTE TION chemical childhood culture dopamine healthy oxytocin scientific

2問教えてください！

53.0≦<2πとする。 次の等式を満たす0の値を求めよ。 (5点×2) (1) sin 0=- (2) tan0=-√3 1 √√2 (0 (8+0) Ast

（2）を同じ意味にしてください！ お願いします🙏

village. (2) a. Those pieces of junk will hit each other, making more trash. b. Those pieces of junk will hit one ( ) ( trash. (3) a. Every child in the family will gather for the New Year's holidays. (-) ) make more

進研ゼミの埼玉県合格判定模試なんですが結果が来る前に自己採点したいので解いてくださると嬉しいです

4 次の各問いに答えなさい。 Ⅰ 次の対話文は、中学生のエミ (Emi) とグリーン先生 (Mr. Green) が エミのクラスの職 業体験参加表を見ながら話しているときのものです｡ 表と対話文をもとにして､(①) ~ ( ⑤ )に入る最も適切な語を、 1話ずつ書きなさい｡ ただし、数字も英語で書くこと。 Mr. Green Emi Mr. Green "amongの間で 図書館 駅 レストラン 病院 英語 (8) <職業体験参加表 日曜日 火曜日 For 月曜日・水曜日 木曜日 木曜日 Emi Next week, the students in our class are going to work at four places. I'm going to work at the library on ( ① ) It's near my house. Ⅰ often go there to read books with my family. It's my favorite place. I see. Are you going to work there with your friend Yoko? No. She is going to work at the restaurant on Monday and ( ② ) She and ( ③ ) other students are going to work at the restaurant. It's popular *among the students. Emi Right. And many students are going to work at the hospital, too. They are going to work there for ( ④ ) days. Mr.Green I see. And three students are going to work at the (⑥) Are there any girls in the three students? Emi No. All of them are boys. 参加人数 5人 3人 10人 12人 ⅡI 次の英文は、留学生のビル(Bill)とクラスメートのサキ (Saki) がこの週末 (weekend)の 予定について話をしたときのものです。 これを読んで、あとの問いに答えなさい。 Bill Do you have any plans for this weekend? Saki Yes, I'll help my "uncle at his cake shop in Midori Town. Bill Does your uncle have his own cake shop there? Saki Yes. I think his cake shop is popular. I helped him last month. Many people came to the shop to buy cakes. When they came into the shop and looked at the cakes, they "smiled. When I saw their smiles, I was very happy. 埼玉県 Bill: Working there is fun for you. Saki: That's right. I like my unce and his cake shop. Well, what will you do this weekend? Bill I'll practice soccer with my friends in Aoba Park on Saturday. And the next day, Ill practice soccer with some "professional soccer "players in Chuo Park. a It will be exciting! (for / soccer/1/played/ have) ten years. I want to professional soccer player "in the future. be Saki Ⅰ know you are a good soccer player. You practice it very hard. I'm "looking forward to seeing you on professional soccer team. Bill: Thanks! It's difficult to be a professional soccer player, but I'll do my best. professional プロの "player 選手 み uncleおじ *smile ほほえ "in the future 将来は *look forward to ~ (1) 下線部①を下の英文のように言いかえたとき )に入る最も適切な語を語 ずつ書きなさい。 Ⅰ was very happy ( ) do my best 全力をつくす を楽しみにして持つ their smiles. (2) 下線部②が対話の流れに合う文になるように､( )内の語を並べかえなさい｡ (3) 次の英文は、その日の夜にサキが英語で書いた日記の一部です。 文中の( ) (⑥) に入る最も適切な語を、それぞれ1話ずつ書きなさい。 Today Bill and Italked about our plans for this weekend. I enjoy (④) at my uncle's cake shop, so I'll go there this weekend. Bill will practice soccer this weekend. Ⅰ know he plays soccer (⑥) He wants to be a professional soccer player. He doesn't think it's ( ⑥ ) to be a professional soccer player. But I hope he can do it! あなたは、アメリカに留学しています。 明日あなたの学校は休みです。 ホストファミリー に「わたしは明日は早く起きる必要がありません」ということを伝える英文を1文で書きな 英語 (9)

英語の関係詞の問題です。教えていただけましたら幸いです。

do sdi ai ainT S 関係代名詞を用いて,2文を1文にしなさい。 ただし、 関係代名詞は that 以外を使うこと。 2 emijer Buf ABC 1. Look at the girl. She is singing on the stage. 2. This is the shrine. My family visits it every year. 3. Do you know the train? Its cars are silver. 4. The boy plays the piano well. His father is a musician. 5. Do you remember the girl? You saw her in Fukuoka the other day. 6. The watch is now being repaired. It was broken yesterday. 23 +) 101 Zool £ mer day. N 8 ei jedW )内の語句を並べかえて、英文を完成させなさい。 ただし、不要な語が1つあります。 3 ( 1. He was the student (from/who/was/which/ the meeting/absent). T 2. This is (interesting/know/movie/ that/whose/the most/I). 3. Do you A 3. Do you remember the boy (were/and/standing/who/ that/the dog) under the tree? (us/talked/that/to/the man/whom ) at the station is Mr. Brown. 4. 5. There is (we/ that/do/nothing/can/who ) to help her. Lesson 21