行列同士の掛け算です。 動画を観ながら解いていましたが、問いに対する答えが載ってなかったので、私の解き方と答えが合っているか、分かる方教えてください🙇‍♀️ よろしくお願いします！

3 2 -3 -7 2 33 90 T 3 x 1 4 7 45 102 -8 7 14 3×3行列 解)3×2-2x)+(-3)×4 6+2-12 3×2行列 3x24934 3×2+2×4+(-3)×7 6+8-21 2-7 5×3+11×4+3×7 =15+44 +21 5×2+11×1 3+4 こ 10 + 11 + 12 =90 -8×37×4+14×7 =-24+28 +98 =33 -8×2+7×1+14×4 = - 16 + 7 +56 = 102 =45

どなたか解説していただけないでしょうか🥲‎

過 i TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. 13. The book is so (A) interest (C) interested x 14. Andrew was very would never see her again. (A) disappointing (C) disappoints x 15. The train departs soon, (A) arrival (C) arriving that I want to read it again. (B) interesting (D) to interest D with Kathy's behavior at the meeting and said he (B) disappointment (D) disappointed B in Osaka at 7 p.m. (B) arrive (D) arrived A B D V 16. If you do not have your seat belt , you can be fined. (A) fastened (B) fasten (C) fastens (D) fastening B C 4/17. in simple English, this book is easy to understand. (A) Write (B) Writing (C) Written (D) Been writing B D 18. The survey tells us that our customers are with our service. (A) pleasing (B) pleased (C) pleasure (D) please * 19. I found my colleague e-mails at the café. (A) check (B) checking (D) checks (C) checked (E how to use the new tablet, I asked my son for help. V20. Not (A) know (C) knowing (B) known (D) To know B Unit 10 Business 71

（2）番の解説をしてほしいです！シグマを習ってなくてどうやって計算したらいいか分かりません🙇🏻‍♀️

4 (教科書p94, 問6) 次の数列が与えられたとき,一般項を予想せよ。 (1) 2, 6, 18, 54, 162, .... anann-l =2x39-1 22, 8, 18, 32, 50, ... 6 10 14 18 等比数列 ← 等差数列 D 差別 &=6 公差 4:4 bn=bit(n-1)d=6+(n-1)×4=4m+2 on22のとき n-l an=af4k+2=2+1)+2(n-1) 等差数列 =2+2m²2n+2m-2=2n2

なぜこの文から「read」が過去形だと判断できるのでしょうか。 答えは②です。

190 Susan read the book (oo) worsnim) (東洋 基本 ①as carefully as she can 頻出 2 as carefully as she could 3 as she can as carefullybo4 as she could as carefully ( et) aid se bo 28

19番以外の解説してほしいです🙇🏻⋱

doing e TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. x 13. He promised (A) not be (C) not being × 14. I want you (A) finish (C) to finish X 15. Please let us (A) know ✓ (C) to know x 16. They made her (A) sign (C) signing x 17. This book will help us (A) will understand (C) understanding 18. I don't mind (A) drive goin (B) not to be late again. (D) being not the job by 10 tomorrow morning. (B) finishing (D) will finish if we can help you. (B) knowing (D) will know F text Que D Yo A B D for B eithe the contract against her will. I loo (B) signs (D) to sign B C help+N+ do Yours more about linguistics. Gear (B) understand D. Human (D) understood B if you are tired. ()(B) to drive (D) driven (C) driving 19. Would you like something (A) drink (0) (C) drinks ✓ (B) drinking (B) (D) to drink smas (A) C A B (A) to be (C) has been 20. Richard was a great tennis player and he lived 100 years old. (B) being (D) to have been A B (A) ta (B) p (C) pe (D) ac 34 STEP-UP SKILLS FOR THE TOEIC® L&R TEST: Level 1-Basic- (A) Bet (B) Eith (C) Neit (D) Both

教科書に、The last thing I bought was this pair of glasses.とありますが、bought wasという形で使っているのは正しいですか？もし、正しいのであれば、訳し方も教えていただけると助かります。お願い致します。

123の答えが選択問題でNeverthelessです。文脈的に逆説の語が入ることは分かっていたのでalthoughにしたのですが、なぜ同じ逆説の語でもalthoughではなくneverthelessなのですか？

Questions 121-124 To: Emily Pearson, entertainment writer From: Sabrina Young, editor in chief Date: February 26 Re: Upcoming Interview Hi Emily, ここも チェック! 同様 ま & esigen (A) Thanks for agreeing to cover the exclusive story on Hugh Macaulay. There has been one change, however, to the schedule I already e-mailed 121. you. Mr. Macaulay's manager has informed me------- he will no longer be available on Friday as discussed. requested that the interview be 122. brought forward to next Tuesday. I realize this does not give you much time to prepare. I'd like you to send me an overview of your* interview questions by the end of the week. ---- 123. ----. If 124. you have any questions, I will be in my office for most of the afternoon. Sabrina ま :

of allのofがなぜこの位置にいるのかがわからないです。 all ofとは訳し方は異なりますか

16. Research indicates that of all the customers - -- register a complaint, 60 percent will return if their complaint is resolved satisfactorily. (A) who (B) whose (C) they (D) what (8) nerff-(0) herW (0)

なぜ()の位置に形容詞の比較級が置かれるのか解説読んでも理解ができなかったので教えて頂きたいです

(22 Hassan Engineering hopes to make partnerships with the contractors 111 -- than they have been to maintain its competitive pricing strategy. (A) stronger (B) strongest (C) more strongly (D) most strongly

この問題のsimple ,step-by-step のカンマはand的な意味で繋いでいますか？ 自分では簡素にそして順序を追ってみたいな訳になるのかなと思いました。 それとも別の用法みたいなのがあるのか教えて欲しいです。

The employee handbook has simple, step-by-step instructions that provide ------- ways of disposing of various types of garbage. (A) approve (B) approved (C) approves (D) approval 22