Mathematics Senior High about 1 yearago この問題の等号成立条件について、1/x+1/y=1/2が分かりません もう片方については変数部分を相加相乗で求めるので分かるのですが よろしくお願いします https://youtu.be/FRV4r1RW8Kc?si=AB0xr3TpY9QjIKY6 x 1.2X x72 ' ¥72 のとき 方針 2x+yの最小値を求めよ ① 2x+y=kおいて y = --- 微分して増減表 ②相加相乗平均 ポイン 「相加相乗平均とは? azo, bzo akk a+b √ab このま a=b (早稲田大) + 2 (2x 1) 3 (1) (2x+y) 34 2g 3+ 7 + x 780079 " D Z 0 3+ 2.+ 3+2.2 2x+y≧6+412 ちなみに等号成立は 29 解答 2x + y ≤ ? . 2 これを解くと x± 2+√2, y = 2+2 A. 6745 Solved Answers: 1
History Junior High about 1 yearago 三角貿易の仕組みがよく分かりません。 なぜ銀がぐるぐる回っているのでしょうか 教えてくださいm(_ _)m かた 片貿易 (18世紀) イギリス 茶・絹 銀 三角貿易 (19世紀) イギリス 茶・絹 清 清 銀 アヘン 綿織物 インド Solved Answers: 1
English Senior High about 1 yearago 答えは3なんですが いちばんはどうしてダメなんですか? 3番が正しいというのは分かるんですけどどうして1番が違うのか分からなくて、、 11 mob (n) (広町) a 181 Yesterday a friend of mine () in China came to Tokyo to attend a 2 基本 meeting. 1 to live 出 3 living 2 lived 4 lives <獨協力 You-Wailz 's Aqu wore w adol nadw CANS Solved Answers: 1
English Junior High about 1 yearago なぜ(5)ではdidを使っているのに、(6)はwasを使うのですか? Tokyo- □(5) Yuki got that bag yesterday. (疑問文に) ✓ Did Yuk! got that bag yesterday? (6) She is in the library now. (下線部を yesterday にかえて) She was in the library yesterday Solved Answers: 2
Mathematics Junior High about 1 yearago 9x2乗y3乗が不正解になる理由が分からないです。 教えてください🙇♀️ ○C力をのばそう 12xy-27xy' +A を因数分解すると, 共通因数は3xy になった。 このとき,Aに の中から選び あてはまるものを、下の すべて答えなさい。 6xy', 9x'y', 5xy, 22 2ky', 3y', 21xy' 6xg5.21xg2 oxg5.9x2y3、21xg2 Solved Answers: 1
English Senior High about 1 yearago 英語の最上級についての並び替えの問題を解いてみました! 自信ないので、間違えていたら教えて欲しいです🙇🏻♀️💦 よろしくお願いします! [fast/exciting/ much/long] 2.()内の語句を並べかえて,英文を完成させなさい。 この新しいスマートフォンはこれまでで 最も高価だ。 (1) This new smartphone is (expensive / all / the / far / of / by / most ). (2点×3=6点) This new smartphone is why far the most expensive of all (2) My (is / a math test / biggest / have / I! that / problem) tomorrow. My 明日の数学のテストは私にとって biggest I have aimaath test is problem that 最大の課題だ。 (3) (Tokyo/best/has/noodle shops / the) in the world. Tokyo has the best noodle shops. tomorrow. in the world. 東京には世界最高のラーメン店がある。 3.[]から適切な語を選び, 必要なら形を変えて, 対話文を完成させなさい。 (2点×5=10点) Solved Answers: 1
English Senior High about 1 yearago 間違っているところがあったら教えていただきたいです🙇🏻♀️ 6 CD Chacal the 1 Choose the best answer to fill in the blanks. (1) (1) ( ) the editor of this magazine? ①Do you know is who 3 Who do you know is 2 Do you know who is Who is do you know (関西 (2) Please keep your eyes ( 1 close 2 closing ) until I tell you to open them. 3 closed 4 to close (京 (3) One of the twins lives in Tokyo, but ( ) lives in New York. ①another 2 other 3 the other 4 the others (4) There is not much hope ( 1 as 2 how ) they are still alive. 3 that 4 which (5) The language ( ①speaking (6) He ( 1 should ) in the province is Arabic. 3 spoke 2 speak ) be sick. I just saw him playing soccer. ③ can't ④spoken (月 (7) It will not be long 1 before 2 may ) we meet again. 3 above 2 on ④ won't SET ④during (8) Tom may not have studied ( 2 as hard ①enough hard (9) There are many books worth ( ) to pass the entrance examination. 3 hard enough 4 hard as ) more than once. 3 reading to be read 1 read 2 to read (10) James found ( ①him ) difficult to write down foreign names. 2 himself 3 it ④them (11) They suggested that he ( ) to the meeting. 1 come 2 comes (3) came 4 had come (12) Hurry up! Our bus is leaving ( ) a few minutes. I till 2 on 3 during 4 in (13) You will miss the train ( ) you walk more quickly. 1 if (14)( How about 2 without 3 unless ) take the train instead of the bus? It's faster. ②Let's 3 Why don't ④but for ④Why not Solved Answers: 1
English Senior High about 1 yearago 答えと考え(メモ)は合っていますでしょうか、、😭😭 not emorrion to US 18. ( ) he to leave this evening? ① Can ② Does 3 Is 19. Not a star ( be動詞 to do で〈予定>今日の姉に出発する? unsrey mustle erifiud or ④ Will ) seen in the sky. 空には星1つみえなかった<可能> not be doneが多 modal 〈日本大〉 ①was to be ② being ③ has ④ had 〈九州国際大〉 <<大> 169 9mod fol 20. If you ( ① do ) to win the game, you must train more. 鍛える ②2are 3 were for 4 don't have <東京理科大〉 If Sis to do もし~するつもりなら」目的 17 Solved Answers: 1
English Junior High about 1 yearago この英文をもっと簡単な英文にできますか? We are going on a school trip in November this year. We are going to Kyoto to see Kinkuji. You will enjoy the trip next year. I Solved Answers: 1