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Mathematics Junior High

最後の4番がわかりません 誰かわかる人わかりやすく教えてください! 答えは、√7と、4分の25です

(四) 下の図のような AB=12 cm, BC=16 cm, AC=20 cm, ZABC=90° の直角三角形 ABC があり,点Mは辺BCの中点である。点Pは点Mを, 点Qは点Bを同時に出発して, 点Pは 毎秒2cm の速さで直角三角形の辺上を反時計回りに動き, 点Qは毎秒3cm の速さで直角三角 形の辺上を時計回りに動く。また, 点P, Qは出会うまで動き, 出会ったところで停止する。 点P, Qが出発してから2秒後の AMPQ の面積をy cm* とするとき, 次の問いに答えなさ い。ただし,n=0のときと,点P. Qが出会ったときは,y=0とする。 32 20 12 28 b4 5 B D。 11 =1のときのyの値を求めよ。 16 2x3<5 40 2 20 2 点P, Qが出会うのは,点P, Qが出発してから何秒後か求めよ。フEニ こ 「ス240 62-40 2こ8 3. 下の会話文は, 太郎さんと花子さんが,エ=5のときのyの値の求め方について話をしたとき 3 のものである。 &1T PIO. 2- 太郎さん: 4 5と8 x=5のとき, 2点P, Qはどちらも辺 AC上にあり,PQ=| 花子さん:(点Mから辺 AC にひいた垂線と辺 ACとの交点をHとすると,線分 MHは ア cm だよ。 40 AMPQ の底辺を PQとしたときの高さになるのね。 太郎さん: そうだね!線分 MHの長さを求めれば, ェ=5のときのyの値も求めること ができるよ。 (1) 会話文中のアに当てはまる数を書け。 (2) エ=5のときのyの値を求めよ。 15xさくt = 8vDv548 20XIxル=4 4 4 y=21、となるときのzの値を全て求めよ。 -9

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English Senior High

英検の問題で分からないところがあったので教えてください🙇‍♀️ 青線を引いたところの和訳をお願いしたいです。 翻訳アプリを使ってもよくわかりませんでした。 よろしくお願いします。

Masters of the Desert “Bedouin” is a name given to some of the people who live in North Africa and the Middle East. Unlike most people, many Bedouins do not ( 24 Instead, they are nomads, which means that they are always moving about. They walk around the hot deserts of countries like Egypt and Israel, leading their camels and sheep to gras and water. Life in the desert is not easy, but over thousands of years, Bedouins have developed unique skills to help them survive. Some people estimate that there are around 20 million Bedouins in the world today. However, ( 25 ). Because many of them are traveling, it is impossible to count them all. In recent years, however, many Bedouins have given up their traditional way of life. This is because the amount of land controlled by governments has increased, which has made it harder for the Bedouins to travel freely. Some of them now live in urban areas and have regular jobs, such as driving taxis and working in restaurants. Some Bedouins have found work with the Israeli army as trackers. A tracker is a person who follows people by using signs left on the ground, such as the marks left by feet or tires. Trackers must know their environment well and be quick to notice anything unusual. ( 26 ), with their desert survival skills, Bedouins are excellent trackers. About 1,600 of them are now serving in the Israeli army, and their ability to notice dangers along Israel's borders is helping to protect the countily. 1 sleep lying down 2 live in one place 3 eat meat or fish 4 use paper money 1 their exact numbers are unknown 2 there were many more in the past 3 the groups have no government 4 they all meet once every year 1 Naturally 2 Occasionally 3 Secondly 4 Equally

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English Senior High

すみませんカッコの中に入る正しい答えが分からないので教えてください🙇‍♀️

James What time do you wake up? Chris I get up 6:30 every school day. James What do you before you come to school1? Chris I and Finally, I James How about weekends? Chris Saturdays I get up 10 AM. the winter months I sleep later, because it's cold. How about you? How late do you sleep? James Well, last night I got 10 hours of great sleep. I slept like Conversation2 Unit 7 Future Tense Yoko Do you have plans for this coming vacation? Runa Yes. I'm going to America. Yoko How exciting! Where you going to go in America? Runa To New York. After that, I'm not sure. Maybe I go to Boston. Or perhaps I travel to LA. How about you? Yoko staying here in Yamagata because of my job. But next summer, my roommate and I visiting Thailand. Runa That's great. But be sure to travel Don't take too much luggage with you! Conversation3 Unit 8 Present Perfect Tense Mike Have you ever Thai food? Pam No, I How about you? Mike Yes, I It was very spicy. Pam Have you ever to a foreign country? Mike No, I have never traveled Have you? Pam been to Korea and Taiwan. I really loved eating the food there. It was delicious. Mike All this talk about food is making me hungry. you eaten yet? Pam I eaten anything. Let's go toa café. Mike Sounds Conversation 4 Unit 9 Auxiliary Verbs Mai Excuse me, Shun. I borrow a pen? Shun Sure. You look tired. What's up? Mai Well, I really finish this report by tomorrow's deadline! By the way, how is your part time job? Shun It's hard work, but I save money for the future. If I don't shop for clothes too much, that is. Mai You try looking for sales. Clothes don't have to cost an if you look for discounts. Shun You're right. I buy my clothes from second hand shops. And there's one other thing. Mai What is it? Shun I borrow ¥2000 for my next shopping spree?

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Science Junior High

どういうことか誰か教えてください🙇‍♀️解説お願いします😓

2 ばねののび【】 電子NRる。 入試にチャレンジ! ばねののび方と重力の関係 (定番 2 (愛媛改) 2 図1のように、質量80gの物 図1 8点× 15問 140 ば 20 体Xをばねと糸でつないで電子てん びんにのせ,ばねを真上にゆっくり 引き上げながら,電子てんびんの示 す値とばねののびの関係を調べた。 表は,その結果である。 100gの物 体にはたらく重力の大きさを1Nと し,糸とばねの質量や糸ののび 縮みは考えないものとする。 (1)ばねに50gのおもりをつり ける力の大きさ [N] 下げると,何cmのびるか。 (2) 表から, 手がばねを引く力の大きさとばねののびの関係を図2にグラフで表しなさい。 (3) (2)より, ばねを引く力の大きさとばねののびの間にどのような関係があるといえるか。 (4)ばねののびが6.0cmのとき, 電子てんびんの示す値は何gか。 (5) 図の物体Xを, 質量120gの物体Yにかえて同じ実験を行った。電子てんびんの示す 値が75gのとき, ばねののびは何cmになるか。 計算式も書きなさい。 (糸は, 机に垂直 である。 物体XI糸 ばね 15 図2に記入 Cm 10 5 0 0.2 0.4 0.6 0.8 水平な机 ん 力の大きさ[N] 電子てんびんの示す値[g] 80 60 40 20 0 電子てんびんが物体Xから受 0.80|0.60|0.40 0.20 0 ばねののび [cm] 0 4.0 8.012.016.0| (5) 計算式 答え 学宝社版

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