勉強は久しくしていないのですが、TOEICに挑戦したくて学び始めようと思っています。でも勉強の仕方すら忘れてしまいました💦何から始めたらいいのでしょうか😭

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

どうしてそうなるのかがよく分からなくて全部解説してもらいたいです‬🙇🏻‍♀️

C act with me Q Part 5 TOEIC READING AnswerHub Incomplete Sentences A word or phrase is missing in each sentence. Select the best answer to complete the sentence. v X13. If I (A) are (C) were 14. If she umbrella. you/I would ask someone's help (with that business plan. (B) am (D) be D that it was going to rain, she would have brought her (B) known (A) knows (C) has known 15, If he had caught the train, he (A) hadn't been (C) wouldn't have been (D) had known B C late for work. (B) hasn't been (D) wouldn't been it not for the computer, I couldn't do my work at all. X 16. (A) If (B) Were (C) Had (D) With lnm of Bo¿no A B C ✓ 17. (A) You (C) If change your mind, no one would blame (B) Should you (D) If should you. B D X 18. The stew would taste better if it more pepper in it. (A) had (C) has X 19. I (B) would have (D) have had B D ◯だった 現在形 こします。 は、意 覚です。 に」とい ません。 (A) could meet (C) met the deadline of the report if I had started it earlier. 20. Bring your own key, (A) otherwise (C) without (B) will meet (D) could have met B you would be locked out. (B) if (D) should A If it weren = Were it ~. C D If s should N. = Should S~. if 省略 Unit 9 Office Work 63 D

（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

解説してほしいです🙇🏻‍♀️

x2以上? 770 ③3 (教科書p30, 4) 次の関数の定義域を確認し、グラフの概形をかけ。 (1) y = log2(x-2) も x-270x72 A.定義域x2. 13. =2xを右に2 だけ y=0となるのは、 x-2=1x=3 (2) y = log2(-x) →x -X702xo A.定義域xo y=logxを軸に関して 対称させたもの x軸との交点 -x=17-1 720 y=log2(x-2) y=log2(x)

なんで1になるのか分からないので解説お願いします🙇🏻‍♀️ ちなみにこれは因数分解じゃなくてx²で割らないといけないやつですか？

x2-1 (4) limo x2+4- →∞x2+42-5x2で割る =lim 1- 2C2 201+ 5 x2

1枚目の点Bの(6,2)はどこから出てきたのか教えて欲しいです🙇🏻⋱2、3枚目は教科書です！ 追記）3のタンパク質の式が4x+y>=24だからこれが最大のときはxが6になるからみたいな感じですかね？

P.6. 費用最小化問題 1.2x+13g238 ・的関数 2.32x+8g21924x+g224 3. 0.5x +0,5824 2ng 28 4.K=50x+250gを最小化する ① x+y=8 203 g 241 8 4x+y=24 ・目的関数 38 13 B(6,2) 傾き To ①より50x+250g=k 551 傾き一言か一音は 13 一方の方が傾きが 大きい。 タニー/x+点←傾き 250 ①は点B(6,2)を通るとき、 水は最小値をとる。 このとき①より、 K=50.6+250・2=800(円) 22+13g=38 (x=6,g=2のとき) x 19 6 8

1枚目の点Bの(6,2)はどこから出てきたのか教えて欲しいです🙇🏻⋱2、3枚目は教科書です！

P.6 費用最小化問題 1.2x+13g238 ・的関数 2.32x+8g21924x+g224 3. 0.5x +0,50 249 24 28 4.k=50x+250gを最小化する ① 24 8 4x+y=24 ・目的関数 ①より50x+250g=k 傾き1/ -5か- (e) f 一言の方が傾きが 大きい。 ←傾き ①は点B(6,2)を通るとき、 x+g=8 水は最小値をとる。 38 13 adm B(6,2) ・傾きく このとき①より、 K=50.6+250・2=800(円) 22+13g=38 (x=6,g=2のとき) To 0° x 6 8 19

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

かっこの中が分からないです。

Exercise Task 1: Look at the following. What word goes into the space? The same word goes into the spaces for both sentences, a and b. 次の各文を読んでください。 空欄に入る単語は何ですか。 aとb、両方の文の空欄には同じ単 が入ります。 a. Jim presented her boss with a list of. s from the staff. 1) b. There is a lot of _______ for larger mobile phones. 2) a. Where do you do your grocery. b. Please put the __________ in the trunk. ? 2) 3) a. A short at the end of a paragraph can be better than 3). a long one. b. The judge gave the murderer a life 4) a. - generally starts in March in the Northern 4). Hemisphere. b. There's a natural on this mountain. 5) a. You don't need to the bell. Just come in. 5) b. Can you me on the telephone tonight? b. My 6) a. These books are Jane's ____. 7) a. We have a ________ to help each other. 8) a. Yuki often wears a straw 6) b. The realtor came to assess the value of the 7) is cleaning the toilets. in the summer. 8) b. I have to wear two _s, my teacher __________ and my researcher.