(１)の問題で、波線を引いたところの項数はどのように求めるのですか？

□ 67 次の和Sを求めよ。 (1) S=1·1+2.5+3.5² +4.5³+ +n·5″-1 (2) *(3) 4 1 + ²3²3 + 23²³² + 3 ³3 ² 3+ + 33 S=1+4x+7x²+10x³+...+(3n-2)x²-¹ S=1+ ・+ n 3n-1

答えがないので正誤判定お願いしたいです。ちなみに、色ペンで囲ってるのが私の回答で、問題としては，空欄にあっているものを選ぶ方式です。

(12) ( 3 On the weekend you don't go out you shouldn't go out ), his favorite activity, kept him away from gambling on horse racing. (13) Hurry up! The train is leaving ( (15) ( Baseball on weekends Q (14) We ( ) Italy four times during the 1980s. O after a few minutes for a few minutes. used to visit O (16) Do you mind if I ( (17) It ( (20) I ( ) you all be happy! May open (18) They ( aren't building around (19) They were fighting ( 2 would visit 2 Will ) a long time since I met you. have stayed in ) the window? will open ). 2 was O hadn't built at 2 Every day of the week These days 2 in a few minutes (2) went 4 a few minutes later 198011 9 visited 3 Should 3 should open ) where to go for dinner. 3 will be ) Mazda Zoom-Zoom Stadium when I arrived in Hiroshin a for the first time. ium(whe ) America for two weeks when I was in high schol EMER hand't been built 3 during I have visited 4 Would that It has been have gone to opened has Ten years 4 over 4 weren't built J It has been A visited have passed

答えがないので正誤判定お願いしたいです。ちなみに、オレンジで囲ってるのが私の回答です。 最後（11）丸をし忘れましたが答えは2番にしました。 それとオレンジで囲ってみにくくなった英単語などは隣または近くに書きましたが，わからないとこあれば指摘ください。

⑤ 空欄の入る最も適切なものを選択肢から1つ選びなさい。 (1) What nobody would ( ) suggest is that women be told to stay at home dare (2) Scientits reported that monkeys had been seen ( V S use (複数扱 (3) The police ) the murder case at the moment. are investigating investigate may (5) You can avoid ( &n having M (7) My wife and I ( fear to be taking advantage of 2 have used 3 to aking advantage of by (6) I like watching Star Wars movies, but I ( had to cancel (4) I don't know where their wedding i going to be held, but if they decide on Kyoto, I definitely ( ) go. Zwill (9) Soccer ( (10) It ( 2 might has been got to know (8) All trains stopped (y s stopped (yesterday (11) I'd rather ( had to have 3 hope 2 had cancelled ) keeping yourself well informed and taking a few safety precautions. being taken advantage of by and the meeting ( 2 should well for you not to go out ) some simple tools just as human beings do. using Investigates ) so late at night.. ) each other since we were in high school) have been knowing 3 hay known 3 need 3 will be having 4 being taken advantage by ) enough of them by the time this one ends. wish C had to be cancelled 4 to using IS Ad 4 investigating can well ) be the world's most popular sport: however, baseball is more popular in the US may well ) a few days before we know the full results of the medical checkup. should have been 3 was you didn't go out willl have had 4 know had been to cancel 4 must well will be

情報1の"音のデジタル表現"の単元についてです。 下の写真の4.の3つの問題がよくわかりません。 なぜこの答えになるのか教えて下さい。 テストも近いのでなるはやでお願いします(o_ _)o ※横の赤文字が答えになります。

■ 2. 通常の音楽CDは量子化ビット数を16ビットで記録している。 これに対して, デジタル音楽 配信サービスの中には量子化ビット数を24ビットにして同じ楽曲を販売しているケースがある。 原音に対して, サンプリング周波数は同じであるとして、 次の説明のうち正しいものを1つ 選べ。 波の高さ ? ? ① 演奏時間が同じ場合,データ量は少なくなる ② データを扱う機器やコンピュータ内蔵CPUの負担は減る 超低音から超高音まで音の上下限が拡大する ④ より小さな音から大きな音までの表現力の幅が広がる <96000回 3. 音楽CDの何倍もの情報量を持つ 「ハイレゾ (High Resolution) 音源」の楽曲がネット配信 販売されている。 標本化周波数 96KHz, 量子化ビット数が24ビット, ②チャンネルのス レオであるとき, 16GBの記憶容量を持つプレーヤーなら, 1曲が4分として約何曲保存す ことができるか。 次の中から1つ選べ。 なお, 1K=1000 とする。 96000×24×2×(60×4)= 138 115 1157 (4 1382 4. 次の計算をして、適当なものをそれぞれ1つ選べ。 電話の音声をデジタル信号にするとき, 最大周波数が4KHzであった場合の標本化周波 ① 4KHz ④ 32KHz 8KHz 16KHz ✓ 上記データをマイナス範囲-8~ 0, プラス範囲0~7の16段階で量子化する場合のビ 数。 ① 8bit 上記データをそのまま符号化したとき, 1K=1000の場合の、 最低必要となる伝送速度 ① 4Kbps ④32Kbps ② 8Kbps ③ 16Kbps ① 4bit 16bit 32bit

全く分かりません😭教えてください🙇‍♀️

Exercises Arrange the words in the proper order. 1. It (about three hours / do / me / to / took ) my homework. 2. (did / how long / it / take / to / you) finish writing the paper? 3. It (build/ billions of yen / cost / to / will) a new school building. 4. How much (cost / it / send / this book / to / will) to the U.S.? 5. It will (about 40 hours / get / take / to / to / you) Machu Picchu from Japan. 1 (48 2 Fill in the blanks so that each pair of sentences will have the same meaning. 1. a. I need to have someone carry my bag. It's very heavy. b. I need to have ( ) ( )( 2. a. They had the girl take care of their baby while they were out for the concert. b. They had ( ) ( ) ( ) ( ) ( ) by the girl while they were out for the concert. a. I had my sister clean my room. b. I had ( ) ( )( ) ( ) my sister. 4. a. My bicycle was stolen when I left it in front of a bookstore yesterday. b. I ( ) ( ) ( )( bookstore yesterday. ) by someone. It's very heavy. 3. ) when I left it in front of a

His mother fell ill.とSo he was absent from school.をくっつける時、His mother having fallen ill, he was absent from school.になるのはなぜですか？ having fall... Read More

2の問題ですが、回答は②でした。①がダメな理由を解説していただきたいです。お願いします。

1 has seen 2. It( 1 has passed 3. John ( ny times since he was ten years old. (3) saw 4 sees 2 have seen ) more than ten years since he left his hometown. 4 is passed 2 has been (3) was ) his wallet at school, but one of his friends found it in a classroom. XIR (桜美林大)

中間テストで英語で、好きなアーティストにファンレターを書かなければいけないので、もし間違いやおかしのところがあったら教えてくれませんか！🙇‍♀️ 教科書を参考に書いています。 Dear niziu My name is Miku.Iam junior high scho... Read More

この教科書の文を覚えたいので適当に15単語くらい隠して欲しいです！

Asami: Mr. Baker: For five years. Asami: What brought you here? Well, I learned about haiku when I was in elementary school. It was very interesting, and I wanted to learn more about Japan. 5 Really! That's great. Who's your favorite haiku poet? Mr. Baker: Basho. I've been a big fan since I first read his haiku. His images of Japan made me rious. Mr. Baker, how long have you lived in Japan? m Mr. Baker: his Asami: Tec 10

‼️‼️至急お願いします‼️‼️ 分詞の文法が分かりません> <‪💧‬解答だけでもお願いしたいです🙇‍♀️🙏

7 分詞 1 空所に入る最も適当な語句を答えなさい。 166 167 There is a weekly brass band concert, ( weather is permitting 3 weather permitting 1) left my umbrella in the train, I got wet in the rain. 2 To be 3 To have Being 168 Bill was the only person ( 169( 170 What happened to Taro? He seems to ( 1 shock 2 shocked 171 They were ( amaze ) in the car accident. being injured 2 injuresmorl bo injured 79170 254 injuring foodse 100) in plain English, the book is suitable for beginners. Writing 2 Written 3 Having written 172 All things ( 175 ( 3 considering having considered 173 I've got a surprise. Keep your eyes ( 1 close 2 closing to close 174 Mary's parents seemed ( ) at the singer's fantastic voice. 2 amazedynille amazing of ), everybody can say this result is correct. 2 to consider relief Tre and wo? relieved 178 There is nothing ( embarrassment 2 weather will be permitting 4d weather permits Jnslia boniemen 4 176 He was lost in thought with his 1 close 2 closed KISV 150) by something. 3 be shocking eyes ( 4 Having ) his mistake, John decided to apologize to his parents. Had realized 2 Realized 3 Has been realizing li jarli ne ). 3 closing considered onod \ gniwonal (東京造形大) 4 To write t 4 4 be shocked (京都産業大) 静岡県立短大) matomy(東北工業大) 4mamazement (札幌大) ) to hear that her plane was on time. ( 聖マリアンナ医科大) to relieve 3 relieving Monty ) until I tell you to open them. ( 桜花学園大 ) close to have clo closed 3 4 od of brusque invasiq 280dy to IA to close (金蘭短大) 177 Do know that woman over there, the one (de ) in the white blouse? you mimidi won of w rol hatnicareant 27 11 1 to dress dressing 3 dressed 4 dresses ( 桜花学園大 ) (南山大) 4 Realizing ( 桜美林大) 南山大) ) about asking for help when you are in trouble. (関西学院大) embarrassing 3 embarrassed 4 embarrass 21 7 一分詞 分 詞