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Mathematics Junior High

お願いします!!!、 これ提出するまでの時間があと少ししかないんです… 答え教えてください!!

力 断テスト 次の連立方程式の解が ×3D2,y=3 であるとき、 a, b の値 を答えなさい。 [x+by=9 a= x-by=3 1個80円の梨と1個120円のリンゴを合わせて15個買い, 1440円払った。 このとき, 次の問いに答えなさい。 の 梨の個数をx個, リンゴの個数y個として, 連立方程式 をつくりなさい。 式を解いて, それぞれ買った個数を求めなさい。 兄弟で貯金をしている。 2人がともに 500円貯金すると, 兄の貯金額は弟の3倍になり, また, 弟だけが 1000 円貯金 の の 梨 個,リンゴ 3 個 4 式 すると,弟の貯金額は兄の半分になる。 兄の貯金額をx円, 弟の貯金額をy円として, 連立方程式をつくり, 2人のそれ ぞれの貯金額を答えなさい。 5 兄 円,弟 円 |2 ある人がA地からB地を通り, 900m 離れたC地へ行った。 A 1 地からB地までは分速 60m で, B地からC地までは分速 90mで歩 いて,全体で12分かかった。 A地からB地までの道のりを x (m), B地からC地までの道の十円 りをy(m)として, 次の問いに答えなさい。 本 | (1) 道のりに着目して方程式をつくりなさい。 (2) 時間に着目して方程式をつくりなさい。 (3)(2), (3) でつくった方程式を連立方程式として解き, A地 からB地までの道のりとB地からC地までの道のりを答え A地~B地 m m B地~C地 なさい。 ぐ

Solved Answers: 1
English Junior High

過去問なんですが答えを貰っておらず分からないので教えてください よろしくお願いします

9 次の英文を読んで、後の問いに答えなさい。 Naln was an 'exchange student from *Tndonesia at Minami High School. Her class was going to nave class activities about Indonesia Nani was asked to introduce some games to play. She thought, “I have an idea. I will introduce a game like Japanese janken. One day after school, Nani was on her way home. It began to rain. She was lucky because she was carrying her pink umbrella with her. She went to a convenience store to buy some "snacks. She Ctered the store and put her umbrella near the door There were some other umbrellas there. When she was looking for some snacks, she saw a tall girl. The girl went out through the door. Nani bought some "pieces of bread and a *pack of orange juice. She found one pink umbrella near the door, but it wasn't hers. She said to herself, "Someone has taken( ). Nani said to the Clerk, "T can't find my umbrella. I put it here but " The clerk thought "for a while and said, "1 guess my daughter, Kumiko, took yours "by mistake. Our shoD is very small, and our “family members Sometimes use that door. Kumiko hurried to her friend's house to return a book. She will be back SOon. Nani said, "No problem." The clerk looked at her uniform and said, "Oh, you are a Minami High School student. Kumiko was a student there, too." Nani said, "My name is Nani. I'm from Indonesia." A few minutes later Kumiko came back and her mother said to her, "Kumiko, this is Nani. You took her umbrella. Both of yours are pink." Kumiko said, "Oh, I'm sorry." Her mother said, "She is an exchange student from Indonesia at Minami High School." Kumiko said, "I was a student there too. Nice to meet you. When I was a student, I was very interested in foreign countries. I wanted to have a friend like you. Did you tell your classmates about your country? Nani said, "Yes, but I want to teach them more. I'm going to introduce Indonesian janken to my classmates. I hope they will enjoy it." Kumiko smiled and said, "A game? That's interestingl I'm interested in it. I'd like to see it. Would you like to come to my room?" Nani said, They went up to Kumiko's room. Nani said, "Ill teach you a game, Suit, from my country. It's like a Japanese janken. This is how to play it. You are three "fingers, a *thumb, a “forefinger and a *little finger. A thumb means an elephant. A forefinger means a man. A little finger means an ant. An elephant is stronger than a man. A man is stronger than an ant. An ant is stronger than an elephant." Kumiko asked, "Why is an ant stronger than an elephant?" Nani answered, "An ant goes into its ear, and the elephant cannot do anything about it. The elephant feels very bad. Do you 1understand?" Kumiko said "Yes, I do. I think it is not difficult to understand this game." Nani was glad to hear that. They played it together. After the first game, they tried it again. Kumiko won the second game. They tried it many times. They had a good time. Kumiko said to Nani. "Thank you for teaching me such an interesting game. Im sure your classmates will be excited too." Two days later, Nani's class had class activities. When Nani introduced the game to her classmates, they were interested in it. I hey enjoyed playing it many times. They had a great time. (注*) exchange student 交換留学生 Indonesia インドネシア snack 軽食 piece 一切れ pack パック for a while しばらくの間 by mistake 間違って family member 家族 thumb 親指 forefinger 人差し指 little finger 小指 finger 指

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Science Junior High

中学理科電気パンの問題です。 答えはエなのですが電流を流し続けるとパン生地がなぜ小さくなるのかわかりません。 教えてください🙇‍♀️

水を混ぜてつくったパン生地を入れた。 電極に導線をつない で100Vの電圧をかけるとパン生地に電流が流れ, 温度が上 んで電極とし, 小麦粉, ベーキングパウダー, 砂糖, 食塩, 右の図のように, 牛乳パックでつくった容器(底から10cm ベーキングパウダーを使う場合,パン生地に直接電流を流す方法でパンをつくることができることが分 くレポート 4> 電気パンについて ステンレス板パン生地 100V用コンセント 水を混ぜてつくったパン生地を入れた。 電極に導線をつない プラグ がってパン生地がふくらんだ。このとき, 電流計で調べると 牛乳パックで くくった容器 2Aの電流が流れていた。 開4) くレポート 4>の実験で, 電流計が2Aを示したときのパン生地の抵抗と,電流を流し続けたときパ ン生地に流れる電流の変化について述べたものを組み合わせたものとして適切なのは, 次の表のア~エのう ちではどれか。 パン生地の抵抗 電流を流し続けたときパン生地に流れる電流の変化 だんだん大きくなる。 だんだん小さくなる。 だんだん大きくなる。 ア 0.022 イ 0.022 ウ 502 だんだん小さくなる。 エ 502

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