どうしてk(...)+...＝0の式になるのか教えてください。 指針の2行目のところです。 よろしくお願いします。

基本例題 81 2直線の交点を通る直線 2直線x+y-4=0 ①, 2x-y+1=0... ② の交点を通り、 次の条件を満 たす直線の方程式を,それぞれ求めよ。 (1) 点(-1, 2) を通る (2) 直線x+2y+2=0 に平行 ...... 2直線①,②の交点を通る直線の方程式として,次の方程式 ③ を考える。 k (x+y-4)+2x-y+1=0 (kは定数) (1) 直線③が点(-1, 2) を通るとして, kの値を決定する。 (2) 平行条件 αb2a2b1=0 を利用するために, ③ を x, y について整理する。 CHART 2直線f = 0, g=0 の交点を通る直線kf+g=0 を利用 基本 80

丸が男で考えてます！ 樹形図が考えてもでてこなくて、 ペア！です 教えて欲しいです 2枚目以降回答になります！

JUI SEDIA No.13. 図のようにA~Fの6つ並んだ席がある。 いま、男3人、女3人 3人並んで座ってはいけないという条件をつけて座らせた。 このと 二男 が座る確率をそれぞれ求めよ。 A B COO 0000 C 00 000 4 D 0 0 0 0 0 000 00 200 &#0*0* VERY E 〇〇 (0) 20 2 F 0 0 0 00 A 53 B 13 と No.25. 図のようにA~Gの7つ並んだ席がある。 いま、 男2人、女5人の 5人並んで座ってはいけないという条件をつけて座らせた。このとき が座る確率をそれぞれ求めよ。 ABCDEFG ○二男 A <100000 B BOPGOO 80 C O D O 。 20000 000 E 0 <O F 0 G 0 O A/m/ B. C 19 合 こ 出すとき、 No.26.2 個の正八面体のサイコロを同時に振るとき、 出た目の数の積

この解答を教えていただけると嬉しいです🙇🏻🙇🏻

2 What words fit best? You can use the words in the box. See Example Bank. To cak 1. "When was ?" "Three years ago." 2. "Excuse me, cell phones 3. "That picture is beautiful." "It 4. "How many 5. "My bicycle has to walk to school now." ags. 6. "A new project anulatós mesdit here." "I'm sorry." by a well-known artist." in Canada?" "Two. English and French." " "That's good. You don't have Jabom blog sasvig asw VIRM now." "I wonder what it is." wordded witalis.s the picture, take just, repair | being, plan | languages, speak | cannot, use draw annoned recently Give reasons and details Ask follo

回答お願いします

1 Is polite to elderly people." Vash Pre) 2 Been 3 Be 2 I left my basketball shoes somewhere, so I yesterday. couldn't 2 cannot 3 may not [21] nsw 1.21 on the island. The people there only speak Spanish. isn't spoken 3 is spoken 66 English 3 doesn't speak Ignal ni aprilris & gministqx30 boog asw In610 Tortoid Mar Helen and I exchanged e-mail addresses 4 each other. O contact 2 contacted 3 to contact "I don't like winter in Hokkaido because 2 so 651 190002 Tom helped the elderly lady 5 carried to carrying VIEndil edt 16 gewan blo szedT 81 This is the 6 book of the eight books on this bookshelf. 910 more interesting most interesting 3 as interesting moil 15119 or Legged asw spizzal er If I 7 in Europe, I could go to some famous museums.atog 0 will live 2 lived 3 live her bag. 3 carry 2 play in the game vibroint 260 8 is eight thirty now. I have to leave home. That There 3 It lutholos 2 [TS] 'Stop! You 11 have to Just bas sist 9 3 although 91A 0 [OST] yod sdT OS BR boonsb it's too cold." not gnilool m'I IS I bet new W SSE 10 enter the room now. The teachers are having a meeting there." 3 Aren't 1 Can't 2 Don't cross the street when a car is coming." 3 should 2 must not

教えてください！

問1 問8 1polite to elderly people."xornai reilna ni egnidi er a Is 2 Been 3 Beq aninislqx30 2 I left my basketball shoes somewhere, so I yesterday. couldn't talibnsto Curty toilbroint cannot 3 may not Cronul 91[at] new 12 3 English | 3 on the island. The people there only speak Spanish. doesn't speak isn't spoken Sa® is spoken 10631 ar sm blot 15rbod y di 4 Helen and I exchanged e-mail addresses 4] each other.srli () contact 2 contacted 3 to contact 130002 5 Tom helped the elderly lady 5 carried 島 10 to carrying VIsidil edt ts 8t ns sqawon blo sesdT 81 6 This is the 6 book of the eight books on this bookshelf.910 more interesting 2 most interesting 3 as interesting mont 19119(oriter yaqsıl asw sɔizaster 7 If I 7 in Europe, I could go to some famous museums.g will live No Fea 2 lived tosh 3 live angry?" noklyd al pleum art 01 [OS] yod art OS beonsb or no lust brus 9x6( [[X]" X H her bag.al STA Ⓡ 3 carry 8 is eight thirty now. I have to leave home. That 3 It 2 play in the game vibas 260 9 "I don't like winter in Hokkaido 9 because 2 so much There assiq lutidioso 26 [TS] notib s tot grilool m'I IS asd B it's too cold." terli 0 11 "Stop! You 11 have to 3 although loot w 02, 10 enter the room now. The teachers are having a meeting there." Can't Don't you 3 Aren't cross the street when a car is coming." 2 must not 3 should

名詞構文・無生物主語の問題です！ 教えてください🙇‍♀️

① 日本語の意味になるように,( )内の語(句) を並べかえなさい。 1.30分歩くと,私たちは公園に着いた。 (us/thirty/ brought/to/walk/minutes') the park. 2. 少し考えれば結論に達するでしょう。 ( to / will lead / thought / you/a/moment's) the conclusion. 3. この本を読めばあなたは日本経済についてよくわかるでしょう。 (you / will / this book / a good idea / give) of the state of the Japanese economy. If their grandmother doesn't come, of the state of the Japanese economy. 4. もし祖母が来なければ, 子どもたちはがっかりするだろう。 If their grandmother doesn't come, (disappoint/it/ the children / will). 5. 警察官を見て彼は逃げ出した。 (a policeman/ him/ the sight / of / made) run away.go E 日本語の意味になるように,空所に入る適切な語を答えなさい。 1. どうして彼はずっと家にいたのですか。 triquand Cove ) made him stay home? 2. この写真を見ると私は自分の子ども時代を思い出す。 (picture) ) ( ) ( ) ( 24 3. 先約があるため私はあなたの招待を受けられない。 (accept ) PROC A previous engagement stops ( ) ( )( F 次の日本語を英語にしなさい。 1. その映画を観て、 彼女は涙を浮かべた。 (movie/bring) the conclusion. the park. invitation. 4. その時あなたが助けてくれたので,私は嬉しかった｡ (help/please) ) ( )( ) ( ) at that time. 2. 台風のため、私たちは学校へ行けなかった。 (a typhoon / keep ) ) of my childhood. 3. 新聞を読めば,私たちは世界で起こっていることがわかる。 (tell / occur) run away. ) your Unit 20 her eyes. school. in the world. 4. この眼鏡をかければ, あなたはもっとよく見えるようになるでしょう。 (glasses / to see) better.

V模擬の英語の作文です！！ 添削お願いします🙇‍♀️

3 次の文章は, Fred が、 コンサートのあと Yutaka に送ったEメールの内容である。 Hello, Yutaka, Thank you for inviting me and my brother to the concert. It was so much fun for us. The brass band and the guitar club played a lot of anime music. My brother was excited to listen to them. For me, the performance of the chorus was the best. You sang some English songs very well. One of them was my favorite song, "Stand by Me. When I listened to it, I remembered my friends in my country.. I often enjoyed singing that song with them at school. I like it very much. In December, we will have a winter concert at our school. Will you come to the concert? You can come with your friends, of course. We will sing many songs. How about joining us? Tell the members of your club about my idea. I will be very happy if your club can sing with us. Let's sing Stand by Me together! Your friend, Fred () performance S Stand by Me 『スタンド・バイ・ミー』 (曲名)

至急❗️ 大門2の問題がよくわかりません。教えてくれるよ助かります。

2 次の英文の誤りを正しく直し、全文を書きかえなさい.誤りがない場合は,解答欄に○を書きなさい. また その文を日本語に直しなさい. HAN ロ(1) I will take you to the sea in that our family often goes swimming during summer. (日本語) ロ (2) The girl I played tennis last Saturday lives near my house. (日本語) 口 (3) I think that isn't a point you should pay attention to. *attention ｢注意」 (日本語) 口 (4) Chemistry is one of the subjects which Richard is very interested. (日本語)

1️⃣の⑵と⑶教えてください🙇‍♀️

1 次の各文の( に入るものとして不適切なものを1つずつ選べ。 (1) The interview could be cancelled ( ). 1 if the reporter arrived late 2 if the reporter arrives late if the reporter had arrived late if the reporter were to arrive late 55 should the reporter arrive late (2) The poor student has been at a loss ( ). at the beginning of the lecture for the entire lecture こうぎのはじめに ずっととほうにくれてた 4 since the opening of the lecture 5 whenever there has been a lecture (3) After being on the road for so long, he felt a great need ( ). うざがはじまってう 3 from the start of the lecture こうぎがはじまってから ☆ for a wash himself 2 for a wash the car 3 to wash 体をあらう 5 to wash the car 体をあらいたい 平をあらう (4) Although we keep assuring her she'll pass without a problem, she has ( ) the exam. 1 continued to worry about 2 continued worries about 3 continuing to worry about 4 continuing worries about 5 to continue worrying about 4 to wash himself 何をすらいたい (早稲田大

⑶の解説の一文目はわかったんですけど二文目がどうしてそうなるかわかりません

標準状態で 22.4Lの空気の質量は何 70 気体の分子量下の(1)~(3)の気体は、それぞれ次の(ア)~(オ)のうちのどれか。 (ウ) SO2 (イ) CO2 (ア) CH (オ) HCP X (1) ある気体 0.355gの体積は、標準状態で112mLであった。 (2) ある気体の密度は, 標準状態で2.59g/Lであった。 (3) ある気体の質量は,同温・同圧で同体積の酸素の質量の2倍であった。 例題1