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数学 高校生

なぜこのように置けるのですか?教えてくださるとうれしいです🙇‍♀️

数学ⅠAⅡB 問題演習 3 【50】 直線1: (1-k)x+(1+ky+2k-140は定数kの値によらず定点Aを通る。 このとき、次の各問に答えよ。 (1) 定点Aの座標を求めよ。 (2) xy平面上に点Bをとる。 原点Oと2点A,Bを頂点とする三角形OAB が正三角形になるとき, 正三角形OABの外接円の中心の座標を求めよ。 (3) 直線と円C:x2+y=16の2つの交点を通る円のうちで, 2点P(-4,0),Q(2,0)を通る円の方程式を求め よ。 (1) (1)+(けた)+2k-14-0 友について とんすると (-2+4+2)+x+9-14-0 友についての恒等式とみて -x+4+2 = 0 ス+9-14:0 これらを解いて、x=8,426 ( A (8,6) (2) 20 M K 8 A (2,6) → 求める心を比とする B ・複素平面上におきかえると A18+6)より線分のAの中央Mは M (4+33) 223, KはMを原美のまわりに 回転に倍するを得られるから (4+31') (coo (27) +1 Ain (+7)). (+³1) (±÷1) √(√5 + 2) + 3/²1 =3) ==// (√/= = ² + ( ²5 ± 2); } = 4 = √5 + (3 ± 4√³ ) ₁². 座標平面に戻して考えると、夫の左標は (4 7 √5, 3± 455) (3)直家人と同℃の支点を返子の方程式は ゲー16+0(-x)+x +x+y-144=0 421) 3 (αER) AP(40)を通るから & (64-18) = 0 - 0 美白(2,0)を追るから -12-12x=-② 0.②よりd=1,h=3 ※に代人に求める時の方程式は +ゲー16-1(-++2)=3+x+y-14500 x+9-16- (-32(+34+6+x+9-14)=0 ナゲナコス-4-8=0. (2)別解 ○Aの二等分家の式 4-3= -(x-4) =) 9 = -x +35 k (t, -+ ) 12/2 (TER) Ok= // OM=1.5=1 1. ok² = 150 ビット=1 1 仕 10 k (42√³, 3= 4√³)

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英語 高校生

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

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英語 高校生

WORLDTALK2のLesson8Part3とPart4の右側のページGet the GistとPracticeを、教えてくれませんか??

***** Get the Gist ①英文を聞いて文を完成しなさい。 ② その文が本文に一致していればTを, 誤っていればFを○で囲みなさい。 1070 1. The graduate students thought developing humanoid robots would ad to be useful for (01) (153 1) 1.6 ofu 2. The humanoid robot Takayuki's team created ( T/F ) (iv) in all other countries. 2015 enw 3. Halluc II is an innovative robot that can () ( T/F direction. LUSTASSUJUNEDASSH 「◆「~した後」 「~したので」 などの意味を表します。 Having finished his work, he went out for dinner. moitemtolai gaibranibabanoona ont of The is how she beglad glassny i Grammar 完了形の分詞構文 10W duidzi oflift wol ●「(以前に,それまで) ~したので,…..」=having + 過去分詞,S+V 23 Having worked with them for a while, he realized they each had しばらくの間彼らとともに働いたので recent wire their own specialty. of in Never having been there before, I couldn't find the building. 10 400 alid toqpd bloyaleT Lesson8 1109 Halluc IIの最新版 Halluc ) any 00 Ilx(ハルクツー・カイ) 主節の時制よりも 以前のことや、完了形の 意味合いを表すよ。 bumotà es teulasvil id ai olgong Practice [ ]内の語句を並べかえて、英文を完成しなさい。 (文頭にくる語も小文字で示してある。) 1.[read/the book / having ] I knew the story of the movie. 2. [ my wallet / lost / having ] in the train, I had to borrow some money to return home. 3. [ failed / in the exam harder. Mk.5は人工知能を搭載した小型 の二足歩行ロボット。 世界で初め て人間のようにスムーズで安定し た歩行を実現した T/F 1.8 having ] before, she decided she would study 00 111

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