数B ⑵と⑷の問題です なぜ⑵は大カッコの中をかけてから、それを2乗しているのに、⑷はそれぞれを2乗してから問題を解くのですか？ 問題によって解き方を変えなければならないのですか…😣 分からないので教えてください！！ ((答えにはこのようにのってます

541 【 *(1) (4) 次の和を求めよ。 計算】 Σ (2k-3) k=1 n Σk(k+1)(k+2) k=1 2² (n ≥0) k=0 n *(2) Σ (k³+1) *(3) Σk(k+1) k=1 k=1 n-1 n (5) Σk(k+4) (n ≥2) *(6) Σ2²-1 k=1 ^ k=1 n-1 n *X2-¹ (n=2) (9) 3 R-1 k=1 k=1 TOM

至急お願いします🙏🏻🙏🏻現在完了形、現在完了進行形、過去完了形、過去完了進行形の問題です。答えを教えて頂きたいです。

Pract 1 日本語に合うように,( )内の動詞・ 1. Mr. Suzuki loves cooking and (make) his own packed lunch for the past several years. 鈴木先生は料理が大好きでの数年ずっと自分の弁当を作っています. has been making 2. He says he (never, cook) before his wife got ill. had never cooked. 奥さんが病気になる前は、料理をしたことがなかったそうです. 3. He is also good at playing the piano. He (hold) concerts together with his friend held several times before. 先生はピアノを弾くのも上手です. これまでに何度か友だちと一緒にコンサートを開いたことか あります。 4. He (already, decide) the date of his next concert. 先生は次回のコンサートの日にちをすでに決めました。 2 日本語に合うように、英文を完成させなさい. Genre Sakura High School Student Wins Gold A Sakura High School senior, Hoshino Yuri, came in first in the women's 50-meter freestyle swimming race held in Osaka City in September. ① Yuri of the swimming team since she entered high school. ② before this race. However, she said, ③ “My record was not a surprise to me because until the race." 4 for the upcoming race when a reporter interviewed her. ① ユリは高校に入学してからずっと水泳部の活動的な部員です. (active) ② 彼女はこのレースまで一度も決勝に進んだことがありませんでした. (move into the finals) ③「そのレースまで, 毎日ずっと練習してきたので、私の記録は驚きではありませんでした」 ④ 記者が彼女にインタビューしたとき、 彼女は次のレースに向けてすでにトレーニングを始めて いました.

急ぎです💦🙇‍♀️ I tried to teached the first-year students hard during the upperclassmen were away！ ↑これで、 上級生がいない間、私は一生懸命1年生に教える努力をしました。 という意味合... 続きを読む

トピックに対して賛成か反対かの英作文を120〜150語で書けと言う問題です。英語が苦手なので間違いが多々あると思いますが、よろしければ採点をお願いします🙏 Topic Companies should promote workers on performance rat... 続きを読む

英語の問題です。 この答えが分かる方いらっしゃいますか？

9. Though himself. statesman, James Polk was unusually successful in accomplishing his goals during his term. (A) not yla w op at odw oldiassi oimonoe ai ginimbno JisM al 13. In contrast to popular opinion, measures of intelligence have. teliable predictors of future success. -imaginative U ada t an inola Isoioiso ors 3) never been M. (B) without an (C) he was not (B) not any (C) no TI ni 2stsa2 (D) seldom (D) was not an ntaib gaol 3a uinillida ods daidw. at alolbabus( 14, The name "porpoise" sometimes 10. Blends of spices have been created by spice manufacturers to make the art of scasoning to some members of the dolphin family, (A) it is extended ons Jbodai(A) a quick and casy one ailavon usolnsas (B) is an extension *A (C) extended pollusH (D) is extended (B) casy and quick a one (C) a quick one and easyon Issiufo adh (D) one casy and quick ot 11. During nothe 1950。ch adol bag-baxits5. In old age, the immune system proponents of inguistic relativity believed that - to language or representational functioning. graduaily becomes less resistant to viral fangal, and s od thought- (A) infection by bacteria (A) can reduceitomootains ae 2s oibilids aii (B) bacteria's infection e (B) could be reduced (C) reduces (D) reducing e aoiseniaimbs zot sldienogesn al uo smezqu2 arb 3o soitaui 3oid ad.S 12.- (C) bacterial infection ida lanigho ms a (D) infectious bacteria A that nearly all households will haye broadband internet by the vear baale yiwn olo lo dsso 2015. (A) ExpectingLni s2osh os tiorual atgsimue asar ads gorW.ES (B) Many expecting (C) In expectation nwob" sd oa biea ymaqmoo adt atenoyitisamos (D) It is expected A h o obla gaoxworb po pexdmh ow nomwal nmissmA yhsbM as A

解いてみたのですが、あまり自信がないです。おかしなところがあったら教えてほしいです。

4 Useful Expressions Describing your responsibilities Describing your main tasks *P'm responsible for sales in Europe. *'m in charge of greeting visitors. m *lanalyze market research data. Torganize meetings for senior coworkers. ●lensure all visitors sign in and out. ●We oversee the creation of commercials. る) Explaining your current projects Explaining the structure of your team *Tam currently working on a deal with a c The Sales Department is divided into supplier in South America. *We're developing some new software. *We're preparing to launch a new website. three teams of four people. ●We're divided into three teams: online marketing, catalogues, and magazine ads. * There are six receptionists on the team. Y onehit es nets bne oin

周期表について質問です。典型元素は1と2、12族〜18族とならったのですが、教科書をみたら13族からになっていてよくわからないです。どっちがほんとですか？

ニウム enium =6.2 6 3h ウム m 7 気体 液体 _20℃, 1.013×105Paにおける単体の ■00~118番元素は,いずれも放射性 二元素で、寿命が短いため正確なテ 得られていない。 25 Mn マンガン Manganese 54.94 43 Tc テクネチウム Technetium [99] Re 11 金属元素 非金属元素 元素と非金属元素の境 ある元素は、両方の性 あわせもっている。 29 Cu 30 Zn 銅 亜鉛 Copper Zinc 63.55 65.38 $9 d 47 Ag 48 Cd 銀 カドミウム ドウム Cadmium ium Silver 107.9 4 112.4 Pt 79 Au 80 Hg イ 水銀 Gold num Mercury 1 197.0 200.6 10 DS 111 Rg 112 Cn マイトタチウム レントゲニウム コペルニシウム Meadtium Roentgenium [[1] [280] Copernicium [285] 26 Fe 鉄 Iron 55.85 44 Ru ルテニウム Ruthenium 101.1 76 OS オスミウム Osmium 190.2 108 Hs ハッシウム Hassium [277] 遷移元素 12 ル 13 14 5B ホウ素 Boron 10.81 13 Al アルミニウム Aluminium 26.98 31 Ga ガリウム Gallium 69.72 49 In インジウム Indium 114.8 81 TI タリウム Thallium 204.4 113Nh ニホニウム Nihonium [278] 6C 炭素 Carbon 12.01 14 Si ケイ素 Silicon 28.09 32 Ge ゲルマニウム Germanium 72.63 50 Sn スズ Tin 118.7 82 Pb ・鉛 Lead 207.2 114 FI フレロビウム Flerovium [289] 15 7N 窒素 Nitrogen 14.01 15 P リン Phosphorus 30.97 33 As ヒ素 Arsenic 74.92 51 Sb アンチモン Antimony 121.8 83 Bi ビスマス Bismuth 209.0 115 Mc モスコビウム Moscovium [289] 典型元素 16 80 酸素 Oxygen 16.00 17 9F フッ素 Fluorine 19.00 16S 17 CI 硫黄 塩素 Sulfur Chlorine 32.07 35.45 34 Se 35 Br セレン 臭素 Selenium Bromine 78.97 79.90 52 Te 53 I テルル ヨウ素 Tellurium lodine 127.6 126.9 84 Po 85 At ポロニウム アスタチン Polonium Astatine [210] [210] 116 Lv 117 Ts リバモリウム テネシン Livermorium Tennessine [293] [293] ハロゲン 18 2 He ヘリウム Helium 4.003 10 Ne ネオン Neon 20.18 18 Ar アルゴン Argon 39.95 36 Kr クリプトン Krypton 83.80 54 Xe キセノン Xenon 131.3 86 Rn ラドン Radon [222] 1180g オガネソン Oganesson [294] 貴ガス (希ガス) 族 周期 2 3 4

同じ意味になるような( )に入る単語を教えてください🙏

He is three years older than me. He is my ( ) ( ) three ( ).

赤枠ではなんて言ってるのでしょうか？ （ウ）にはmissが入ります なぜテレグラムで会ったのに赤枠の直後の文では彼の肩に手を置けたのでしょうか？

There was a skinny young boy who loved football with all his heart, (1)Practice (after practice, he eagerly gave everything he had. But being half the size of the other boys, (a)he got absolutely nowhere. At all the games this hopeful athlete sat on the bench and hardly ever played. This teenager lived alone with his father. Even though the son was always on the bench, his father was ( ア ) in the stands cheering. When the young man went to college, he decided to join the football team. Everyone was sure he could not bea member. But the coach enrolled him because he always put his ( イ ) and soul into every practice, and at the same time, provided the other members with the spirit and hustle they badly needed. It was the end of his senior football season, and as he ran onto the practice field shortly beforel the big playoff game, the coach met him with a telegram. The young man read the telegram and he became deathly silent. Swallowing hard, he mumbled to the coach, "My father died this morning. Is it all right if I ( ウ ) practice today?" The coach put his arm gently around his shoulder and said, "Take the rest of the week off. And don't even plan to come back for the ( I ) on Saturday." Saturday arrived, and thegame was not going well. In the third quarter, when the team was ten points behind, a silent young man quietly slipped into the empty locker room and put on his protector. As he ran onto the sidelines, the coach and his players were ( オ ) to see their faithful team mate back so soon. "Coach, please let me play. I've just got to play today," said the young man. (2)The coach pretended not to hear him. He didn't want his worst player in this close playoff game ーー Gnalll foolina corny for the vOuna man, (hithe coach gave in. "A

選択問題です、わかる方解答お願いしますm(_ _)m

(5) He is ( ) than hungry. 0 more sleepy 2 sleepier 3 as sleepy (6) She is younger than I. ont =She is ( ) to me. O junior 2 senior 3 superior (7) That computer is ( ) of the two. の the newest 2) newer ③ the newer (8) I think this is ( ) flower of all. のmore beautiful 2 as beautiful the most beautiful (9) She speaks English ( )of us three. O best 2 better 3well (10) No one in my class can speak English as well as Masako. class. ) of English in my =Masako is the ( (11) New York is one of ( )in the world. O the big city the biggest city ③the biggest cities ) other mountain in Japan. の each (12) Mt. Fuji is higher than ( O no 2 any (3 some (13) Nothing is ( )as time. ③ the most precious O more precious 2 so precious