青線のところの3/5がどうして3/5なのか分からないので教えてもらいたいです。 お願いします🙇🏻‍♀️

11. △ABC と直線 PQ に メネラウスの定理を用いる A と P AQ CR QC RB BP =1 PA R B 1 =1 1 RB 2 3 すなわち CR Q CR 2 より 3 三 RB BR:CR=73:イ2 3 AABC の面積をSとすると△ABR= 2 3 2 2 ゆえに △APR==AABR 3 3 5 ウ2 よって,△APR の面積は △ABCの面積の 倍で ある。 の の

なぜ青い線の部分のような形に変形されたのかがわからないので教えてもらいたいです お願いします🙇🏻‍♀️

底2は「より大きいから (3) 2-2*+22->9 父く 2-2°+歌29 2× 2>0より 2-(2*)+4>9-2~ 2.(2)-9:2+4>0 2*=tとおくと t>o

分からないので教えてください！

火は,美咲(Misaki ) と, シンガポールからの留学生シェリー(Shely ) の対話で す。これを読んで, 後の各問に答えなさい。 [対話文読解] 7 えた 2Usaki : You've lived in Tapan for one vear. Are you enjoying your ife here? Shelly : Yes, very much. Misaki : I'm glad to hear that. 問2 Shelly : Well, that's a difficult question. Each season has something good to enjoy. 問さ Misaki : For example? In summer, I can Shelly : In spring, I can enjoy many kinds of flowers. enjoy swimming in the sea. In fall, the leaves of the trees become red or yellow, and they are very beautiful. In winter, I enjoy seeing the white snow. It's verv new to me because we have no snow in my country. How about you, Misaki? Misaki :I like spring the best because we can enjoy cherry blossoms. Shelly : I see. Last spring I went to the park near my house to see them With my friends. I saw many cherry trees with a lot of blossoms. They were really beautiful. There( people, lunch, many, were, eating) under the trees. They all looked very happy. Misaki : Many Japanese people like cherry blossoms very much. I think we can say that the flower is a symbol of Japan. Shelly:I think so, too. Misaki : The 100-yen coin even has a cherry blossom design on it. Shelly:Really! I didn't know that. Why are cherry blossoms so popular among Japanese people? Misaki : Because cherry blossoms are connected with many good memories for us. So I think Japanese people see cherry blossoms as special flowers. (注) leaves leaf 「葉」の複数形 雪 cherry blossom… 桜の花 snow symbol … シンボル 100-yen coin 100円硬貨 design … 模様 among ~の間に be connected with ~とつながっている 思い出 memory

分からないので教えてください

[対話文読解] 7 火は,美咲(Misaki ) と, シンガポールからの留学生シェリー (Shelly ) の対話で す。これを読んで, 後の各問に答えなさい。 えな 22Saki : You've lived in Japan for one vear. Are you enjoying your life here? Shelly : Yes, very much. 問2 Misaki : I'm glad to hear that. Shelly: Well, that's a difficult question. Each season has something good to enjoy. Misaki : For example? 問3 Shelly : In spring, I can enjoy many kinds of flowers. In summer, I can enjoy swimming in the sea. In fall, the leaves of the trees become red or yellow, and they are very beautiful. In winter, I enjoy seeing the white snow. It's verv new to me because we have no snow in my country. How about you, Misaki? Misaki :I like spring the best because we can enjoy cherry blossoms. Shelly :I see. Last spring I went to the park near my house to see them With my friends. I saw many cherry trees with a lot of blossoms. They were really beautiful. There( people, lunch, many, were, eating) under the trees. They all looked very happy. Misaki : Many Japanese people like cherry blossoms very much. I thinkwe can say that the flower is a symbol of Japan. Shelly :I think so, too. Misaki : The 100-yen coin even has a cherry blossom design on it. Shelly :Really! I didn't know that. Why are cherry blossoms so popular among Japanese people? Misaki : Because cherry blossoms are connected with many good memories for us. So I think Japanese people see cherry blossoms as special flowers. (注) leaves leaf 「葉」の複数形 雪 cherry blossom 桜の花 design… 模様 snow symbol … シンボル 100-yen coin 100円硬貨 among ~ … ~の間に be connected with . ~とつながっている memory … 思い出

(２)の問題がわからないので教えてもらいたいです。 お願いします🙇🏻‍♀️

練習 次の関数の最大値と最小値を求めよ。 19 (1) y=x°+3x?2 (-3<x<2) (2) y=ーx°+x+x (0<x<2) 3 (3) y=x*-2x°+3 (-1<x<2)

(２)の問題がわからないので教えてもらいたいです。 お願いします🙇🏻‍♀️

練習 次の関数の最大値と最小値を求めよ。 19 (1) y=x°+3x?2 (-3<x<2) (2) y=ーx°+x+x (0<x<2) 3 (3) y=x*-2x°+3 (-1<x<2)

二枚目の写真のMasterthecontentsの解答と解説をお願いします。

Tomatoes come in various colors, shapes, and sizes They are red, orange, yellow, green, and purple. Round, Oval, oblong, and pear-shaped. Over 8,000 kinds are 日 cultivated throughout the world, and new ones are still 0 being created every year. Tomatoes are the world's most widely produced vegetable. Tomatoes were originally grown in the highlands of the Andes in South America. The native kind was small, like a cherry tomato. When tomatoes were introduced into Central : America, people there began to call them tomatl. The word means “swelling fruit” in the old Mexican language. In the 16th century, tomatoes arrived in Europe through Spain tog ner with potatoes, and then spread across the world.

この答えがわからないので教えてもらいたいです🙇🏻‍♀️ (このことが...のほうです)

このことが彼が会社を辞める理由らしい。 This, ( その女の人がその事件に関係していると信じられている。 ), is the reason why he will leave his company. ho O mon i+

「経済的に余裕のない人は救急車を呼ぶことが出来ずに命が助からない場合があるかもしれない」 この文章を英語に翻訳していただきたいです。 お願いします🙇🏻‍♀️

この問題の、1,2,4,5の答えが分からないので教えてもらいたいです🙇🏻‍♀️

B. ローマ帝国の滅亡は老人の死のようにゆっくりと,しかし確実に迫ってきた。ぞの主たる原因は, まず国内では本土の( 1 )で兵士になる者が少なく,属州出身の兵士で占められる軍隊が分立割割拠し, 特にその兵士に多くの( 2 )傭兵が採用されたこと,また多数の軍隊と官僚の経費のため( 3 )が都市 に課せられたので商工業が衰え,従来の文化や宗教行事がすたれ,有力な金持ちは都市を去り,地方に 移って農村の大所領で生活し帝国の行政から独立していったこと,などである。さらに,帝国中期以後, 経済の生産様式にも大きな変化が生じた。共和政末期には多数の( 4 )を使って商品作物の生産をめざ す大規模な(5)が経済活動の中心であったが, それに代わって人民の移転を禁じ, 隷属的な小作人す なわち( 6 )から地代をとる( 7 )制が普及した。 都市の衰えや貨幣改悪もあり,商業もふるわず, 古 代世界はしだいにその活力を失い, 帝国の国力は弱まり, 穀物耕作を中心とした自給自足の自然経済の 封建社会に近づいていった。 (各2点,計14点)