二次関数の問題の質問です。 ②の解説の3(t+t+1)がなぜそうなるのかわかりません。 y=3x²という関係なのに²されていないことと t+1-tで1秒なのに足されていること疑問に思いました。

(1)傾きが一定な斜面で球を転がす実験をした。 球が転伝がり始めてからx秒間に転 がる距離をym とすると, y=3x°という関係が成り立った。 全 ) 0 転がり始めてから3秒後から5秒後までの平均の速さを求めよ。 の 転がり始めてからt秒後から (t+ 1)秒後までの1秒間に45 m転がるとき, tの値を求めよ。 【類題 22] [1C) (1) 0 平均の速さ3D変化の割合= 3(3+ 5) AC Adr = 24(m/秒) 4B GADDF (2AT ) 2 1秒間に45mは秒速だから 3(t+t+ 1)= 45 AOAA 2t + 1= 15 TAGA 焼 二 t3D7

解説お願いします 答えは14個です

を解きなさい。 (6) V7n が 100以下の自然数となるような整数nは全部で何個あるか, 求めなさ い。

中一です。答えを持って帰ってくるのを忘れたのですが合っているか不安なので、 答え合わせをして欲しいです‼︎

- school life? Is it still hot in Tokyo? In London, the weather is sterday, I went to Hyde Park in London. I saw a wild squirrel there. It little cold this week. I need a sweater in the mornings and the wre really good at taking pictures. I want to visit Japan someday. 「oPour e-mail. I'm enjoying your pictures of temples in Japan. に書 ms Cute. You can watch my video of the squirrel on my Facebook page. se enjoy it. I'm looking forward to your e-mail. 下線部0について, ミサはメールといっしょに何を送りましたか。 日本語で答えよう。 From: Ann 読んで、 あとの問い e Misa …をありがとう E Misa, How is your 'and a cudy った aenings,. Thanks for セーター ハイドパーク …を訪ねる 野生の Paase, リス 私のフェイスブックのページで Ann 写真 枚の内容に合うように, 英文の -に単語を書こう。 OMisa can take pictures_Very wel visit_Japan someday. #Aan_Waht to 部2はどこで撮られましたか。 本文中の英語2語で答えよう。 hdle Park 態の答えとなるように, 答えの文の に単語を書こう。 How is the weather in London this week? 6_chudy What does Ann need in the mornings and the evenings? Se_heed and a little cold a Sweater. What can Misa do on Ann's Facebook page? She can sdw wild_ of a squirrel. a nine

⑤なのですが、 Can you show me it？は、ペケですか？ itをthe picturesにした方がいいのでしょうか？

A: When was the story written? B: About 120 years ago. 突沙(Misa) さんと留学生のトム (Tom) さんが話をしています。 それぞれの場面に合う会 話になるように( れています。 )内に3語以上の英語を書きなさい。なお, 対話は①から®の順に行わ 1.D Hi, Tom. I hear you went to America last month. 2. 3 That's good. ② Hi, Misa. It was a lot of fun! の For two weeks. I visited many places, and took many pictures. I enjoyed a lot of things with my family. O。 3. |6 Oh, really? 4. ⑦ Thank you, Tom! I want to go to America someday. 6 Sure. Ill bring them to school tomorrow. 8I hope you will go there and enjoy your trip. th ミ sto

英検準二級の過去問です。答えは2なのですがどうしてですか、？和訳含め解説お願いしたいです。

3 keep a promise 4 keep the change While Paul was walking downtown, he came ( high school. They went for lunch together. 1 at ) an old friend from 2 3 aside 4 along across After easily beating the strongest team in the league, the coach of the

私立高校の英語の過去問を解いているのですが、いつもこのような問題のところで5問中1.2問くらいしか正解できません。今回は（19）しか出来ませんでした。 とても苦手なのですが、何かコツなどはありますか？

次の英文を読んで, 空所 (16)~(20) に最もよく当てはまるものを、それぞれ下の 4の中か ら1つずつ選び, 番号で答えなさい。 I ogn inany people are interested in knowing how lang1age first began, it is impossible to know where or how this happened. However, we do knowa lot about languages: the language ol 0aay and also the language of ( 16 ) times. Ihere are probably about 3,000 languages in the world todav.m Chinese is the language with the most speakers in the world but some of the languages of Africa have ( 17 ) than one nunared Speakers. Languages are always changing. The English of today is very different from the English of five hundred years ago. Some languages become more important and other languages become less important or even ( 18 ) out completely. About 1,000 years ago, the most important languages of Europe were Latin and Greek. Ifa language has a large number of speakers, or if it is very old, there may be differences in the language ( 19 ) it is spoken in different places. Chinese is a good example of dialect differences. Chinese is spoken for thousands of years by many millions of speakers. The differences between the dialects of Chinese are so ( 20 ) that speakers of Chinese from some parts of China cannot understand speakers from other parts of China. *Latin ラテン語 That is, a language may have several dialects. *Greek ギリシャ語 2. quicker * That is すなわち * dialect方言 (16) 1. later (17) 3. before 4.earlier iw sdgiJ I お O uter libw apeaslO.S w abisi8 1. worse 2. less 3. better 4. more isl vatsA or (18) 1. miss 2. take 3. die 4. find (19) 1. because 2. until 3. or 4. how (20) 1. many 2. small 3. great 4. nice 10g Kupa m ace

ト音記号とヘ音記号の横に5個フラットついてるんですが、どういう意味ですか？

問5の問題で、解答にはHe decided to give her all the pictures.と書かれているのですが、decided toを入れなくても丸になりますか？それとも減点ですかね？ (関連の文の部分は左ページのシャーペンで引いてある箇所です🙇🏻‍♀️)

Ar Miller: Wow, that's interesting.( Mr. Miller:That's a nice dream. I'm sure your speech will be a great one. By the way, how 5 次の(質問]に対して、[条件)に従い,まとまった内容の文章を5文以上の英文で書きなさい。 * Akiko heard Mr. Miller s speech today in her class. Miller: Hi, Masao. How was your speech ? ア Mr Miller helped Akiko when she prepared her speech. 6 会話の中で,Masao は将来どのようなことをしたいと述べていますか。日本語で具体的 What did Masao decide to do for the little girl when he started to leave the waiting room keep all these pretty pictures." Her mother said, “Thank you very much. You are crying, Iwanted to do something for her. but I didn't know what to do, I didn't 8 次は,後日の Masao と Mr. Miller の会話です。自然な流れになるように,( )に適切な doctor. I sat next to a little girl and her mother. At first, the mother read a book. No, she didn'tt SoI drew one more picture for her, and she finally stopped crying. Ithink she was just very tired. Her mother tried to take care of her, but she kept *ignore her, so I drew a picture of some animals on a piece of paper and After a while, a nurse came to tell me that my aunt was ready pictures you gave me at the hospital," and she showed them to me. I was very Thank you. I was giad to make someone happy with my pictures. She said, "Draw some more !" I drew many more pictures to show her. She was ウ Masao is going to talk about working as a doctor at the hospital in his class. IMasao will tell his aunt about his dream when he sees her next time. 会話の内容と合うものを,次のア~エの中から1つ選び,その記号を書きなさい。(4点) (内のすべての語を正しい順序に並べかえて苦きなさい。(4点) 空間LC」にあてはまる適切な1語を,本文中に使われている語の形を変えて書きなさい。 So I decided to give her all the pictures. She smiled happily and said, "Thanks! TM I'm thinking about it. Actually, I want to draw pictures for children's books in the She's fine now, thank you. The doctor says she can come back home next C Akiko: Was she sick? (3点) Masao: hospital ? want to at the showed it to her. Mr. Miller:Did she stop crying then ? 書きなさい。(4点) Masao: happy to see them. to see me, and I started to leave the waiting room. Then the gurl looked very saa so kind, and your pictures are great." Mr. Miller: Wow, that's a wonderful story ! oletali insrllisoi alittle nervous, but I did well, thanks. By the way, I saw the little girl Masao: Masao: You're very good at art. Do you want to work as an artist ? oda and her mother yesterday. Akiko: Masao: the convenience store near my house. The girl said, "I always carry the future. Masao. is your aunt ?Is she OK ? happy to hear that. Masao: Monday. Mr. Miller: Im happy to hear that. Did you tell her that story ? 10点) Masao: Not vet. But when I see her next time, Tl tell her what happened ot u. 開) Which do you like to do in your free time, stay at home or go out ? ル) 0 1文目はIlike to に続けて,(質問]に対する答えを解答欄の①に書きなさい。 の 2文目以降は,その理由が伝わるように, 4文以上で解答欄の②に書きなさい。 hospital. Akiko: I think she'll be glad to hear that you've found your dream. s Masao: I hope so. 【注) miss ~ ~を聞き逃す prepare ~……~を準備する homeroom teacher……担任の先生 professionalism… プロ (専門家)意識 until recently……最近まで Communicate…理解し合う happen…起こる 送を聞いて答える問題台本> ※「チャイム」 after a while…しばらくして ignore ~………~を無視する cfr di コ よ よ7 面 1i

都立豊多摩高等学校の推薦入試は作文なのですか？小論文なのですか？ どちらでしょうか。

答えは√2になるみたいなんですけど、 途中式が分かりません 詳しく教えてください🙇‍♀️

3 2 V2 を計算しなさい。 V8