1番最後の式の、黒丸で囲った所がなんで、こうなるのかよく分からないので、教えて欲しいです。

例 13 n (1)和Σ3k-1 を求める。 k=1 n Σ3-1=1+3+3²+......+3″−1 500 A 10358 k=1 これは,初項1 公比3の等比数列の初項から第n項までの 10 和であるから n 3k-1 3n-1 1 (3-1) k=1 3-1 2

この問題は、最後sheではダメですか？ 教えてください。

(88) アンナは彼女よりも美しくなるだろう。 Anna will be ( ) beautiful ( )(). more than she her

この英文の添削をお願いします🙇

Expressing Post-reading Activity Express your opinions on one of the following questions in more than 50 words. Questions A. Which do you think is better, living with only a few things or with a lot of things? B. Where can you find an example of the "less is more" principle around you? C. Any other ideas? Expressions 【比較する】 Compared to ~,... (~と比べると...) ~ is similar to ... (~は...と類似している) For me, ~ is better. (私にとっては〜のほうがよりよい) 心を整えることができる。 I think living with only a few things is better. There are some benefit from organized. get unnecessary information and reduce our stress. Study work and so on room. First, because we, will not Second, we can concentrate on we can prepare our mind ¥30 compared to live with To live with a lot of lot, things. Moreover, motivation for them increases. Third, can be expected good luck. Someone understand It can "60" these benefit, but they cannot arrange the room member of them. However, I'm a our behavior can change from a small action. We will be happier if we can change

この問題の採点をして欲しいです、！ 文法的におかしな所があれば教えてください

5 ライ ライティング Sylio ●あなたは、外国人の知り合いから以下の QUESTION をされました。 QUESTION について, あなたの意見とその理由を2つ英文で書きなさい。 ●語数の目安は50語~60語です。 How boilornardison Kelah in the ●解答は,解答用紙のB面にあるライティング解答欄に書きなさい。 なお,解答 欄の外に書かれたものは採点されません。 bloodstonegunter ●解答が QUESTION に対応していないと判断された場合は, 0点と採点される ことがあります。 QUESTION をよく読んでから答えてください。 QUESTION Isw sboa srl bissd Yodt Do you think it is good for people to use smartphones while studying? M commended that people drink his fruit-

Let’s think of life in 2025.のLet‘sは主語ですか？？

急ぎです！！🥹🥹 この2枚の写真にS、Vをつけて欲しいです！前置詞➕名詞には(かっこ)をつけてほしいです！ (付けれたらでいいんですけどもし、c.oもつけれたらつけて欲しいです🙂‍↕️🙂‍↕️) 主語や動詞がどれなのか見極める方法などあれば教えて欲しいです🙂‍↕️😥

02 READING 2050年の世界はどうなっているでしょうか。 CD1 01-03 very Will life be the same or will it be 01 Let's think (of life in 2050. different from ours? Some scientists say that we will have no oil by 2050. We use a lot of oil every day, don't we? If we continue to use a lot of oil as 続く we do today, we will need much more oil for everyone in the world. The people in developing countries who don't need much oil today will want to use 5 it to have a better life. ② Take cars, for example. Now there are about 600 million cars in the world. Many of them are in developed countries. But the people in some developing countries also want to have cars to change their way of life. They will have more cars and begin to use them soon. How much more oil will we 10 need in the future? 03 ⑤ It is very important to know about the world's energy problem and to start doing something now. Jova 受 ers alod 高9(税白) 8

30番と31番が分かりません、、教えてください😭😭 他の答えは合っていますでしょうか、、

28. 再婚した女性が30代で母親になることは、もはや驚くことではない。 (surprising/amother / it is / in her thirties / a woman / in her second marriage/for/to become / no longer ). <獨協医科大〉 It is no longer surprising for a woman in her thirties to become a mother in her second marriage. 29. 大きな家の住み心地がいいとは限らない。 Large houses are (to / in / comfortable / live / necessarily /n6t). <東邦大〉 not necessarily comfortable to live in ? 30. 彼は,その大聖堂が完成するのを見ずに世を去った。 (1語不要) (before / cathedral / completed / did/ he / live / not / see / the/ to). He did not see < 東京理科大 〉 ? □ 31. 彼が留学できるように, できる限りのことはするつもりです。 I will do anything (can/for/I/it/make/possible / to) him to study abroad. < 立命館大 > 32. 玉ねぎは、エジプトのピラミッド建設に関わった労働者の重要な栄養源だったと見られている。 Onions (a / are / been / believed / hate / significant / to) source of nutrients for the laborers who built the Egyptian pyramids. to have been believed are a significant □ 33. 飛行機に乗り遅れないように, 私は早く家を出た。 I left home early (my/to/nøt/miss/order/flight/jn). in order not to miss my flight < 立命館大 〉 〈札幌大〉

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

この選択であっているのかそしてなぜほかの答えではダメなのか教えていただきたいです。

Education Text Completion Select the best answer to complete the text. Then choose the letter (A), (B), (C), or (D). Questions 9-12 refer to the following web page. Part 5 Incomplete Sentences Select the best answer to complete the sentence. Then choose the letter (A), (B), (C), or (D). 1. Before ------- Japan, all international students must get a student visa. (A) enter (B) entering (C) to enter (D) have entered ------- in psychology in university, but now he is an artist. 2. He A majored (A) hers (B) studied (B) she 3. Mr. Toda helped Cathy describe 4. It has been 15 years since I graduated (A) on (B) in 5. Library accounts are automatically created, so no ------- LVU Campus Tours The students of Las Vegas University are at the heart of the LVU experience, 9. tour our campus, meet LVU students, and have them guide you on a campus tour. You can enjoy a candid conversation with 10. students, ask them about classes, housing, Las Vegas, online student support, and more. 11. Doing this will hopefully give you the best idea of what LVU life would be like for you. The two-hour campus tour allows you to experience firsthand everything you need to know. Click here for your guided tour. (C) researched (D) took research plan. (C) her (D) herself ------- university. (C) at (D) from registration is 9. (A) so 10. (A) now (B) then (B) modern (C) initials (D) initialed 12. (C) also (C) latest (D) and (D) current necessary. (A) initially (B) initial 6. I'm happy to have this ------- to study with such great professors. (A) notice (B) benefit (C) factor 7. Statistics is a ------- class for second-year students. (A) require (B) required (C) requiring 8. The geologists plan to study the soil from the mountains Dopportunity (D) requires ------- Canberra. 11. A We will match you with a guide based on your interests and goals. (B) Feel free to ask about other universities found in the area. (C) Take the time to learn more about the city of Las Vegas online. (D) Please let us know the kind of person you were in high school. 12. (A) arrange (B) to arrange Carranging (D) arrangement (A) out (B) next (C) onto (D) around

答えを持ち帰るのを忘れてしまって丸つけができません、 教えて欲しいです🙇🏻‍♀️՞

p.55 1 Choose the better option. 1) Be quiet. (I study / I'm studying). 2) In India people (drive/are driving) on the left side of the road. 3) Our city (has/is having) a big sports park. Sundays. 4) Alice (has/is having) spaghetti for lunch today. 1-1, 2) I (often go/am often going) there on 5) Usually Paul (plays/is playing) badminton, but now he (plays/is playing) soccer. 2 Choose the better option. 1) Ron (liked / was liking) this doll very much when he was a child. 2) I feel great. I (slept/was sleeping) well. 3) It (rained/was raining) hard when I (woke / was waking) up this morning. 4) What did the coach say? - I don't know. I didn't listen/ wasn't listening). en (2-1, 2) edT 3 Complete the sentences. Use one of the verbs in the box in the correct form. 1) Don't come in. I my clothes. very angry this morning. What did you do? +w) St に使 57 2) Aya 19 3) My brother TV when I back from school. 4) This fish aniet bad. That's strange. I it just this morning. 5) I for my passport. moded I it on your bed in the hotel last night. be, buy, change, come, look, see, smell, watch here, -1. Put the Japanese sentences into English. 1) 昨日バスを待っている間に君のお姉さんを見かけたよ。 I while 2) 姉はいつも推理小説を読んでばかりいる。 My sister imbo ai 19rbas mo 13) 私たちは今, ローマにいます。 すばらしい時間を過ごしています。 We're in Rome now. We're 4) このスープはとてもおいしいなあ。 だれが作ったの? 5) この美術館は午前9時に開館し、午後5時に閉館します。 yesterday. ammystery novels. (Rome, have a ~ time) 「~の味がする」 taste Give It a Try Answer the following questions. hirt net 1) What were you doing at 8:00 p.m. yesterday? enque txen enT.SP 2) What school equipment* do you have, and when did you buy it? B Write about yourself. I usually school equipment 「学用品(例: カバン, 辞書など)」 on Sundays.