(2)が分かりません。どうしても答えが34○○○になってしまうので、正しい解答の求め方を図など含めて教えてください🙇‍♀️

に答えよ。 188 1,2,3,4,5の5つの数字を全部使ってできる5桁の整数を小さい順に並べるとき, (1) 43125は何番目の整数か。 (1)43125より前に並ぶ5桁の整数のうち (2) 70番目の整数は何か。 万の位が1,2,3である整数は, それぞれ4! 通りあるから, その合10000 計は 3×4!=72 (個) 万の位が4で, 千の位が1, 2 である整数は, それぞれ3!通りあるか ら,その合計は 2×3!= 12 (個) 次に 43125が並ぶ。 よって 72 +12 + 1 = 85 (番目) ま 使えない 4100 42000 2万の位が12である整数は,それぞれ4!通りあるから,その合計10000 は 2×4! = 48 (個) 万の位が3, 千の位が1, 2, 4である整数は,それぞれ3! 通りあるか ら,それらを加えると 25 20000 66209 3 1000 ④9 48+3×3! = 66 (個) (00) OCT -- 18 E 万の位が3, 千の位が5, 百の位が12である整数は,それぞれ 2!通りあるから,それらを加えると 55 3 200C 61 3 400C 66+2×2! =70 (個) 35241 よって、 求める整数は, 万の位が 3, 千の位が5, 百の位が2である67351 ものの最後の整数であるから 100 69 3 521 (別解) 70 3524 (2)万の位が1,2,3である整数は,それぞれ4!通りあるから,そ の合計は通り 3×4!=72 (個)り) (0% ASOL 万の位が3である整数を大きい順に並べると, 35421, 35412, 35241, 4 35241 ・・であるから,70番目の整数は

答えあっていますでしょうか😭😭 21番の訳を教えて下さると助かります、、🥲🥲 20番の問題、なぜこれを選んだのか説明する時、私はこの問題は意味で選んでいるのですがそれで大丈夫ですか、、？

20. This is a very large theater. It has a seating ( ① capacity 2 ability ) of 3,200. 3 possibility 21. "Can you tell me where Niiza Station is?" "I'm sorry but I'm a ( ) here." 1 local 2 beginner 初めての人 20 Ding ou probability to o olni omoe ③ stranger 4 regular bed W 〈 跡見学園女子大〉 22. Educated in the U.S., Kozue has a good (1) of English. have a good command of A 1 tongue 23. I have no ( 1 knowledge ②command 3 use Aを自由に操る and way 〈札幌大〉 ) what he wants for his birthday. have no idea pryzeu ②idea 3 consideration 4 eagerness bisnis m'l (B) 24. When you have time, please drop me a ( ①1 line 2 ring <広 ) at kyorin@kyorin.ac.jp. drop A a line 3 phone anie 4 call 人に一筆書き送造林大) 25. Let's go to the movies tonight. I'll look at some websites and ( see what's playing. Mo⑩give abront 9 ) you a ring after I 2 offer mistion 3 sell bgive A box4 buy a ring A ebohsq かける enhol ml (***) 1950 ② 次の英文の下線部には誤っている箇所が1箇所ある。その番号を選び,正しい形に直しなさい。 luggages with the airline agent at the ticket counter. luggage meat to 一不可 26. Passengers should check their som 27. I found that I had completed only about two third so far. ④ 〈 太山南> hsgolovsb and 〈国士舘大 〉 the work I should have done ird of the Thornletas 1 bias thirds 分子が2以上 linen 〈西南学院大〉 enia → 3 次の日本文の意味になるように、()内の語を並べかえて適切な英文を作りなさい。 (大) (大) any 28. 警察が提示した証拠をもって, 彼の有罪は疑いの余地がなくなったようだ。 With the evidence presented by the police, there (no / doubt/for/room/about/ seemed/ be/his/to) guilt. iw salmoq 〈関西外国語大〉 T seemed to be no room for doubt about his At ☐ 29. ここへ来るのに1時間半かかりました。 〈大劇画> 9ni of Ved 'WOY <中部> It ( here / come / and /to/a/ one / took / hours/half). took one and a half hours to come here my a tal sift at lyd and sole ni grovil to t

この式の意味わかる方いますか

all docomo 0:09 4c 0 x+1 2= 11. = / ma I L&K 0615 n 4 求める面積をSとおくと S=±(4号) = (+2)-['de-/1/1/(1+1) 1/2 1 7 - ( [ 3 * + ] - * * F b 2829 9 = 11 299 - 2-95 (28-29-20)-3-(8-1) 2.92 44_14 9 - 3 44-42 2 a 11 b

1番の問題でマーカーが引いてある所の計算式がわからないです。 これは中点連結定理の公式ですか？

例題 28 各辺の長さが1の正四面体 OAB 分する点をP,辺OCの中点をQ辺BCの中点をRとする。 また, 直線 PQ と直線 OR との交点をXとする。 (1) 線分 OX の長さを求めよ。 [10 弘前大] (2) 線分AX の長さを求めよ。 指針 図形と計量 図形の基本性質と三角比を利用。 解答 (1) △OBCにおいて, 中点連結定理により OB/QR 3 1 よって OX: XR=OP: QR= : =3:2 4 △OBCは正三角形で,点Rは辺BCの中点である √3 √3 から OR= -OB=- 2 2 3 3√3 これと ① から OX=- -OR= 5 10 ① 3 (2) RO=RA であるから, OA の中点をMとすると COS ∠AOX = OM 1 √3 1 = OR 2 2 √√3 AOAX において, 余弦定理により PX XQ B XR 12. 0 √3 MX XX 2 /3/3 3√3 AX2=12+ -2.1. 67 ・COS ∠AOX = 10 10 A R 100 AX> 0 であるから √67 AX = 1 10

56.58.60.61全然わかりません、、解説お願いします、、😭😭 他も答えあっていますでしょうか🥲🥲

56.Although I have been employed by the company since two years, I have received no increase in my salary of £30,000 a year. During that time the cost of living has risen considerably and I am finding it difficult to make ends meet. 〈上智大 > 57. Our teacher told us that we had to finish the report completely until the day after tomorrow. by 動作や状態が完了する期限 untill 状態の継続 @yntil by 58. 〈広島修道大〉 Although the recent decrease in their income, they decided to continue contributing to the charity foundation which provides financial support for orphans. <東京薬科大〉 ④ 59. The power failure in the entire city lasted for two hours, and electricity finally came back at three o'clock on the afternoon. ③ Coon the afternoon. at = 時刻 〈高崎経済大 〉 60. He went abroad with a view to broaden his mental horizons using the money he had earned doing a part time job. 61. The cost of living can be calculated in ① < 鎌倉女子大 〉 term of the average cost of life's basic necessities, such as food, clothing, and shelter. 3 次の日本文の意味になるように空所に適切な語を入れなさい。 62. 我々のリーダーを信じるかどうかは、あなた次第です。 〈南山大 > It's (up) to you whether you believe our leader or not. up to A A次第で<西南学院大) 63. 期末試験に代えて,レポートを書いてもらおうと思います。 place of A <静岡大) We'd like you to write a term paper in (place) of a final exam. in place of A Aの代わりに

答えあっていますでしょうか🥲🥲

with regard to 43. She went to France ( Aにかかわらず in order studying music. for the purpose of doing ~43 AD"= to do ④for the purpose of 3 in case of <駒澤大 > 44. The doctor tells me that I must lose weight for the (oh) of my health. for the safe of ⑩sake 2 safe 3 purpose 4 aid LovAのために<城西大> 45. As ( ) me, I don't think children should be allowed to watch television after nine obib in order to ② so as to A 点 目 10. o'clock. n (大人 (1 about ②for 46. Maki didn't say anything with ( (大 1 regain 2 resume 47. ( 1 Owing 48. Apart ( > 1 in 3 on Gion as for A Aについて言えば O with 〈中央大〉 () to the results of the experiment. with regard to A 3 return Ⓐregard Aに関しては新見公立大〉 ③According bro 4 Depending Aによれば < 淑徳大〉 A☐ ) to the weather report, it will become very cold tomorrow. According to A 102 Thanks ) joking, what do you mean to do? apart from A. A altis A. Jani2 behind 3 from ④for 〈大阪商業大 〉 49. He is a lonely person with few friends other () his sole brother. Other than A ④by A以外の〈関西外国語大〉 Gamong ②than 3 along ) the written examination, you must pass an interview. in addition to ACC 50. ( In addition to 3 In relation to 2 In order to 4 In reply to Aに加えてつ 〈福岡大〉

答えあっていますでしょうか🥲🥲

S 34. A dying man caught me ( ) the sleeve. cotch A by the sleeve Anzz 1 of 2 in (3 by 4 about 〈日本工業大) ) of the bad weather, it was impossible to climb the mountain. On account of A ①On account <理由> 35( い = because of A 2 Despite ③In spite 36. Our visit to the south of China was put off ( A①resulting ②reasoning 4 A kind Aの理由で女子美術大 owing to Aの理由で 〈関西外国語大 ) to my grandfather's ill health. An 3 accounting ④owing 37. We could not leave Narita International Airport on time (m) the strong wind. ⑰due due to 38. ( 2 off 3 without ) Tom, who introduced me to a good doctor, I recovered very quickly. 1 Because 2 Talking of 3 Owing ) the bad weather, our group kept on working outdoors. 19 Ap up to due to A Aの理由で Thanks to Thanks to A (*) Aの理由で <諫歩> □ 39.( 1 In case of 3 Despite of ② In spite of A 4 In the case of Aにもかかわらず = despite A netgo 〈名古屋工業大) 40. ( ) his learning, he still knew little about the matter. 1 Ahead of 2 Due to 41. ( ) his riches, he is not happy. 2 For all 1 In short 920 with all A Art" ④Together with ol < 東京電機大 〉 is ④According to 〈 花園大〉 For all A Alitaping" 3 In addition 3 With all

答えあっていますでしょうか😭😭

4 from 9. The team's star player broke his leg and won't be able to play soccer ( 《大山 1 during 4 by 2 for 3 until 〈南山大 〉 Yd D ) three months. forA 継続期間〈南山大〉 数詞などのついた名詞 10. We hope to see a couple of shows (its) our stay in New York City.ied 1 for 2 during EDS③by 11. Is it possible for you to postpone today's meeting ( 1 by 2 in Stellenaut 3 on ④ while during A 特定の〈法政大〉 To slice APE ) next Wednesday? until A ATT ○Aまでの動作や ④until 12. I have to finish the report for my Chinese class ( ) Friday. by A A 2 at lo abo 913 in ⑩by 13. Look at the e mountain. It is 750 meters ( ⑩above 2 on 14. The hotel is located ( historic district. 1 from to ( 状態の継続〈センター試験〉 ④ until Aまでに動作や 愛知大〉 状態が完了する期限 〈新見公立大〉 ) sea level. above A AIYI 3) over 4 up ) the Natural History Museum and the Hotel Bell Classic in the between (2つ)の間で ②between 15. Are you for the opinion or ( (3) into ) it? against A A 4 among 2 over 3 opposite 4 to ⑪against 〈 西南学院大 〉 <中部大〉

前置詞の問題です。 答えあっていますでしょうか🥲🥲

2 on a 17 3 at 1. John Haiman, a world-famous musician, was born ( England. 1 in ) September 10, 1957, in London, 4 for od tada blow (*) 2. The presentation starts ( (大夫)] 1 on ② at ) 9 a.m. in the conference room. 時の一点 3 in tes vary 0% 16 O 4 for 〈城西大〉 rigin vand ml ST 3. I was born in Tokyo ( ) 1980. A fits or ne 1 at 2 for ③in幅のある時間to 〈名古屋学院大 〉 101 4. "When is our next meeting?” "It's ( 1 at ) Thursday morning." 2 in 特定の日の朝などや形容詞で修飾している場合 on bongie 9H 3 on 4 to 〈北海学園大〉 大 ①① at場所の一点に地点2 in 5. Taro took a local train to Shinjuku. It stopped ( 広がりのない ) every station. /pas 01 D ③3 on 4 with <東京工芸大 〉 ☐ 6. My grandmother was sitting ( ) the sofa ( 1 in, on () th ohh do olib bo ESP ) the living room. 広がりのある空間や領域の中に存在する状態 2 with, at 3 on, in 4 at, on している状態 <活水女子大 〉 1 on 2 in 3 at 7. We have to hurry because the class starts ( 229 4 for entrism id) 8. I got sick last month and lost five kilos, but ( ) a week I was right back up to my regular (大感 weight. ⑪within 2 by 101 Tot within A これからA以内に 〈南山大 〉 brind gilt 3 until no ) blirbrigu o 9T 4 from ) ten minutes. in A これからA経つと right back up to

英語の不定詞の問題について解いてみました！ 間違っていたら教えて欲しいです😢 よろしくお願いします💧‬！！

|to look / to wash/toget/ to visit 」 2. ( )内の語句を並べかえて、英文を完成させなさい。 (2点×3=6点) バランスのとれた食事をすることが重要 だ。 balanced diet. (1) (eat/to/it's/a/important) balanced diet. It's important to eat. a (2) He always (something/say/interesting/has/to) 彼はいつもおもしろいことを言う。 He always has something interesting to say (3) She (the windows/sure / that / make / checked / to) they were all locked. She.checked the windows to make sure that they were all locked. 彼女は窓がすべてロックされていることを確認した。 3.[ ]内から適切な語句を選び, 対話文を完成させなさい。 (1) A: I need someone to help B: I'll help you. What do you want me to do? (2点×5=10点) me with this work. A (この仕事を手伝ってくれる人が with? 必要だ。) (何が書くものはありますか?) (2) A: Do you have anything to write B: Yes. I have a pen. (3) A: I'm here to ask you a favor. (お願いがあって来ました。) B: What's the favor? to hear (試験に落ちたと聞いてがっか I had failed the test. りした。) (4) A: I was disappointed B: You failed the test? That's too bad. (5) A: I'm planning B: I envy you. to travel to Okinawa during summer vacation. GO (私は夏休みに沖縄に旅行する 予定です。) [to travel / to help/ to ask / to hear / to write ]