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数学 中学生

3番教えて頂きたいです!

右の図1のように, 台形ABCDと長方形EFGH がある。 台形ABCD は, 1辺が8cmの正方形 ABID と, <CID=90°の直角二等辺三角形CDI に分けることができる。 また, AB=EF,BC=FG である。 右の図2のように, 台形ABCDと長方形EFGH を,4点B,C,F,Gがこの順に直線ℓ上にある ように置く。長方形EFGHを固定し,台形 ABCD を直線ℓにそって矢印の方向に毎秒2cm の速さで平行移動させ,点Cが点Gと重なった ときに停止させる。 ASTA JNetis B F IC 点Cが点Fと重なったときからx秒後の台形ABCDと長方形EFGHが重なった部分の面積を ycm² とする。 このとき,次の(1)~(3) に答えなさい。 ただし, 台形ABCDと長方形EFGHは同じ平面上にあり, #100101-20 直線lに対して同じ側にあるものとする。〈京都〉 (1)x=3のときのyの値を求めなさい。 また,x=5のときのyの値を求めなさい。 (各5点) ABCDの映像 図1 A (ア)xに比例する 13 (ウ)xに比例しないが,xの一次関数である A(オ)の関数ではない B 図2 A D D E F E (イ)xに反比例する (エ)xの2乗に比例する H G H TOM (2) 次の文章は,xとyの関係について述べたものである。 文章中の ① ②に当てはまるも のを,下の(ア) ~ (オ) からそれぞれ1つずつ選びなさい。 (各5点) 0≦x≦4のとき,yは①。また,4≦x≦8のとき,yは② G () TESTEJA >$2001 - * (A) の点 AP 垂直な直線が、辺ABま をQ、辺BCまたはCDと (3)の値が2から3まで増加するときのyの増加量の6倍が,xの値が3から4まで増加するときのy の増加量と等しくなる。このときのαの値を求めなさい。 (10点) 0x12のときは0とする

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英語 中学生

すべてわかりません…教えてください!

Unit 4 長文問題 もしも時間を戻せたら? 1 ) able to change the past? If you Do you ever wish you (1) had (2) that ability, maybe you would spend more time practicing soccer, learn the instrument that you always wanted to play, study harder for that big test, or try to save more money for the future. 2 What would you do if you had the ability to turn back the clock? This was a question which Mr. Woodall, a high school teacher in Philadelphia, asked his students. Mr. Woodall wanted to know what was important to his students but was pleasantly surprised to see the results. I think their answers will be very interesting to you, too. (3) 3 Mr. Woodall expected to see answers (which were connected to the own good of the students, but he was wrong. The majority of the answers (5)which he received from his students were for the good of others. 4 Targ ①関係 2157 (4) A very common answer he found was, “If I could turn back the clock, I would take back some things that I said to a friend." Apparently, many of the students regretted saying something (5) friends and wanted to change that. Surprisingly, close to 40% of the students answered this way. ) hurt their 5 Another common answer was about pets. "If I were able to turn back the clock, I would spend more time with my dog," or "(7)I would be nicer to my cat," were some common answers. Almost 25% of the students missed their pet very much and wanted to show more love. These pets included dogs, cats, birds, rabbits and other animals. 6 There were other answers about reading more books, studying harder, or eating less junk food. However, Mr. Woodall was quite impressed with his students and their concern for others. He decided to share all of the answers with his students, and the students enjoyed hearing the different answers. Mr. Woodall decided to try this activity with his students every year. By asking, he felt he would learn a lot about his students. tu P e g n t

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英語 中学生

すみません、至急お願いします。 問1から問9まで教えてください🙇‍♀️

Unit 4 長文問題] もしも時間を戻せたら? ) able to change the past? If you 1 Do you ever wish you (2) had that ability, maybe you would spend more time practicing soccer, learn the instrument that you always wanted to play, study harder for that big test, or try to save more money for the future. 2 What would you do if you had the ability to turn back the clock? This was a question which Mr. Woodall, a high school teacher in Philadelphia, asked his students. Mr. Woodall wanted to know what was important to his students but was pleasantly surprised to see the results. I think their answers will be very interesting to you, too. Hou 3 Mr. Woodall expected to see answers (which were connected to the own good of the students, but (3) he was wrong. The majority of the which he received from his students were for the good of answers (う) others. Target ① 関係代名詞 ②仮定法・間接疑問文 66 4 A very common answer he found was, “(4)If I could turn back the clock, I would take back some things that I said to a friend.” Apparently, many of the students regretted saying something (5) friends and wanted to change that. Surprisingly, close to 40% of the students answered this way. 7) hurt their 5 (7) (6) Another common answer was about pets. "If I were able to turn back the clock, I would spend more time with my dog," or "I would be nicer to my cat," were some common answers. Almost 25% of the students missed their pet very much and wanted to show more love. These pets included dogs, cats, birds, rabbits and other animals. turn back and M (時計を) 巻き戻す pleasantly 心地よく expected to 6 There were other answers about reading more books, studying harder, or eating less junk food. However, Mr. Woodall was quite impressed with his students and their concern for others. He decided to share all of the answers with his students, and the students enjoyed hearing the different answers. Mr. Woodall decided to try this activity with his students every year. By asking, he felt he would learn a lot about his students. 〜するだろうと思う good majority , t take back 取り消す apparently close to どうやら~らしい t be nice to 〜にやさしい de 問 1 (1) ( 問2 問3 い。 1.9 ( junk food ジャンクフード concern for . 〜への気遣い、配慮 (4

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理科 中学生

(1)解説みてもわからなかったので教えて下さい🙏よろしくお願いします!!

受験基本 受験 次の各問いに答えよ。 ('14 高知県) 1 (1) (2)の問いに答えよ。 光の進み方について調べるために、次の実験ⅠⅡI を行った。 このことについて,あとの 実験Ⅰ 図1の置き時計を用意し、図2のように, 2枚の鏡を90度の角度に開き、鏡のつなぎ目の 正面にその置き時計を文字盤が鏡と向き合うよう に置いた。 置き時計の真後ろから鏡をみると,正 面と左右に置き時計の像が映って見えた。 実験ⅡⅠ ペットボトルの側面に穴をあけ、 その穴に栓をした。 レーザー光を見やすくするために牛乳を適量加えた水を用意 し, このペットボトルに入れ、図3のように, レーザー光を 穴の反対側からあてた。 この状態で栓をあけると, 水が勢い よく飛び出し, レーザー光は水の流れに沿って曲がったが, 徐々に水の勢いが弱くなると, レーザー光は水の流れに沿っ て曲がらなくなった。 図3枚良県 (1) 実験Iで、正面に映る置き時計の像として正しいものを、次のア~エから一つ選び、そ の記号を書け。 イ ウ (10) ア 12 6 受験応用 3 18 St a 19 11 8 9 12 6 図 1 H 鏡 牛乳を 加えた水 光源装置 12 L 6 I 3 図2 TESTI St a 鏡 置き時計 レーザー光 栓 (2)実験ⅡIで,水の勢いが弱くなるとレーザー光が水の流れに沿って曲がらなくなった理由 を,「入射角」と「全反射」の2つの語を使って 笛に事 た気に

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