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数学 高校生

至急お願いします!🙏💦 (3)これでは、a¹、a²、a³、a⁴にそれぞれ1,2,1,3など問に適されないのも含みませんか?

9:28 回 ● II 284一数学A なる。このとき, 組 (方, k)は (, k)テ(2,4) る。 存 G(4.2),. EX 27 1から9までの番号が1つずつ書かれた9枚のカードから無作為に1枚を取り出し, その番号を 確認してもとに戻す。この試行を4回行う。 カードに書かれた番号を取り出した順にa,, a,, o. a,とするとき、次の確率を求めよ。 (1) a, a2, as, a,がすべて異なる確率 (2) a, as, as, a,が異なる2種類の番号をそれぞれ2個ずつ含む確率 (3) aSa:SasMa,となる確率 の8通り。X 「1], [2] から,求める確率は N (類滋賀大) (1) 赤色が1個, 青色が2個, 個を選び1列に並べる。こ (2) 赤色と青色がそれぞれ2 ら4個を選び1列に並べる (3)(2) の5個のボールから4 4回のカードの取り出し方の総数は (1) a, a2, a3, Qsがすべて異なるようなカードの取り出し方は 9* 通り O0|←重複順列 EX 29 9P。通り そ順列 P。 9 (2) 9種類の番号から2種類を取り出す組合せは C2 通りあり, そのおのおのに対して2種類の2個ずつの番号の並べ方は よって,求める確率は 9.8.7·6 112 9-8-7-6 913 三 9* 243 よ。 (1) 3個のボールの選び方は, [1] 赤色1個, 青自 [2] 青色2個,黄 [3] 赤色,青色, このおのおのの場合について 4! -=6(通り) 2!2! そ同じものを含む順列 9C2×6 9 よって,求める確率は 36-6 4.6 8 *136-6 93 99 9° 243 3))a」SaSasMa,となる場合の数は,9種類の番号から重複を-4個の○と8つの仕 許して4個取る組合せの数と等しい。 3! 切り」の順列と考えても よい。例えば =3(通り) その組合せの数は sH,=9+4-」C=12C,=495 (通り) 2! |||〇○||||| 〇|O は a=3, az=3, as=8, |a=9を意味する。 [3] 3!=6(通り) よって、並べ方の総数は (2) 4個のボールの選び方は ようて, 求める確率は 12C。 495 55 99 9* 「rー12-7.3とm aに動こんの向れか? 729

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英語 中学生

教えてください🙏🙇‍♀️🥺

Hideki: Great! His dream finally came true! Hideki: Did Ranald have a hard time in Nagasaki? ME Smith: Well, this book says that people were kind to him because they thought he was a nice person. Me Smith: However, he was caught soon and taken to Nagasaki as an *illegal immigrant. Me Smith: Ranald didn't give up his dream. He worked on a ship, and he tried to find a way to go to Me Smith: Well, he had to take a *ship to Japan because planes were not *invented yet. Also Japan was Hideki: An isolated country Oh, Sakoku! I understand why it wasn't easy for him. was very interested in Japan. He wanted to visit Japan, but it wasn't easy. 読んで、 Hideki: Why? on isolated country at that time. Tonan, One day he got off a ship *off the coast of Hokkaido. Then he took a small *boat and 0oched an island in Hokkaido. He did this when he was 24 years old. In Nagasaki, he taught English, and he also learned Japanese from Japanese people. After seven months in Nagasaki, he went back to America and wrote about Japan and Japanese people. From his book we can understand his love for Japan. Oh, even on his *grave stone we can see it. Hideki: What do you mean? ME Smith: It has the Japanese word Sayonara on it. Hideki: I understand he liked Japan very much. He became a *bridge between two countries. To be like him in the future, 5 Mr Smith: That's good. Do your best, Hideki. invent:発明する isolated:孤立した 注) native English-speaker: 英語を母国語として話す人 off the coast of ~:~の沖合で ship:船 boat:ボート illegal immigrant: 密入国者 grave stone:墓石 bridge:かけ橋

解決済み 回答数: 1
英語 中学生

ベストアンサーの方フォローします この問題が分からないので教えてください。

1 When we need to see the time, we look at clocks or watches. Today we can check the time very 置き時計 easily. However, it was not so easy long ago. Time keeping_has a very interesting history. 簡単に 長い間,ずっと 時間の計測 Ancient people used nature to read the time. About 6,000 years ago, Egyptians used the sun. 2 They put sticks in the ground, and the shadows told them the time. These were some of the first 話す。教えるの過去形 clocks in the world. 3 At night, people could not use the sun. About 3,500 years ago, Egyptians started to measure time without it. They put water in pots. The pots had tiny holes in them. The water decreased …なしで little by little. The lines in the pots told them the time. 4 About 1,500 years ago, other people used fire. They burned candles, for example.. The candles gave them light, and people saw the time by the lines on them. 与えるの過去形 線 5 About 700 years ago, people started to make mechanical clocks. At first, they used weights to power these clocks. The clocks told the hour with bells. However, the weig were big and heavy, so these clocks were difficult to move. 6 About 500 years ago, people improved their clocks. They used springs to power the clocks. The springs were small and light. So people could move the clocks easily. Eventually, people 小さい began to carry watches. 7 Today, we have clocks and watches everywhere. This is the result of many great inventions and many people's efforts. Even now, clocks and watches are improving. 8 We cannot really see time, but ancient people tried to recognize it. They used different ideas and technologies to measure it. When we look at our clocks and watches, we can easily see the time. Now it is time to recognize the wisdom of those ancient people.

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英語 高校生

このso thatはどんな意味ですか?

Growing up as a young boy in Scotland, Alexander Graham Bell showed a unique talent for music. Though he ( 4 ) this path through to a career, Bell changed his mind and followed in his father's footsteps. His father wás a famous teacher of speech communication. Bell becanme a teacher himself, first of music, then of speech communication. At the same time, Bell pursyed his other love, inventing, by-experimenting with the mechanics of Speeth using both Triends and his dog as súbjects. In 1870, when he was 23 years old, Bel and his family sailed from Scotland to Canada to escape the tuberculosis epidemic* that had already killed Bell's two brothers. While his parents remained in Canada, Bell moved to the ている 2ん0 United States to teach. He continued to experiment with his jnterest, electricity. He dreamed of being able to transmit speech, so that people' around the world could ですた。 てる 5 )the spoken word. Bell and his assistant, Tom Watson, achieved their first success in 1875. After many アシスタント Tu 11 成ェや 1に experiments, they were able to invent the telephone. On March 7, 1876, Bell and Watson succeeded in( 6 )inseparate rooms across a small わけ hallway. Later that year, Bell made the first Iong-distance telephone call, overa distance of 16 ゴーク ilometers, to his father while on vacation in Canada. Thanks to his invention, we can nov communicate and share information with people all over the world.

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