中2の数学で、 なぜ100°なるのかが分からないです、！ 解答見たんですけどよく分からなくて💦

LV Lv.★★★ 今日のトライ! 右の図で, Dは, △ABC の ∠B, ∠Cの 二等分線の交点で, ∠BDC = 5∠BAC で ある。∠BDCの大きさを求めなさい。 1問 A< D< B

【分詞】【高一論理表現】‼️至急‼️答えを教えて欲しいです‼️お願いしますm(_ _)m

1 Choose the most suitable word and complete the sentences. Fact A Fact B 1. That man(wearing / worn) a cute T-shirt is Mr. Maeda. OK 2.I was (surprising / surprised) to see the amount of clothes (collecting/ collected) by the students. 3. I will keep(buying/bought) clothes of this brand because they are eco-friendly. Put the words in the correct order to complete the sentences. MFact MFacD MFact 1.I'm sorry you / waiting / to / kept/ have ]. I was writing an e-mail. [待たせてしまって] [ 2. Mr. Maeda [ talking / a present / the students / heard / about ] for someone. [生徒たちがプレゼントについて話しているのが聞こえた] 3.[your/don't/buying/ clothes / money / waste ] during clearance sales. [服を買って自分のお金をむだ遣いするな] 4.[made/knowing that / of / this T-shirt / organic cotton / was ], he was happy. [このTシャツがオーガニックコットンでできていると知って] 5. [ shirt/compared / my / to ], the design of yours is cuter. [私のシャツと比べて ] Grammar in Context 3 Complete the conversation about what to do for the environment. A: Does your family do anything for the environment? B: Yes. My parents never park the car [ エンジン (the engine) がかかった (run) ままで] A: How about you? Do you do anything? B: I never buy water in plastic bottles. Everybody in my family carries their own reusable water bottle. A: Really? ! [それは驚きです] 4 Complete the sentences based on the Japanese ones. Go Green “Go green" essentially means being environmentally-friendly. The 3Rs of going green reduce, reuse, and recycle – have been widely known to cut down on the amount of waste ① For example, cloth can be reused over and over again when cleaning. Understanding what can be recycled and where to recycle is the first step to be sustainable. 3 , you can make smart decisions when 地球に優しく 「地球に優しく」とは本来環境に優しいことをすることを意味しています。 地球に優しい活動をする3R リデュース, リユース, リサイクル は毎日捨てられているゴミの量を減らすということで広く知られてい ます。 例えば、古くなったTシャツから切り取った布は掃除のときに何度も再利用することができます。何 がリサイクルできてどこでリサイクルするのかを理解することは、 持続可能であるための最初のステップにな ります。 何がリサイクルできるのかわかったら (learn), 買い物に行くときに賢い選択をすることができます。

第二段落の1行目にhe would beがあるのですがwouldの後には何が省略されているのでしょうか。2段落目一文目の分構造を教えて頂きたいです。

intelligence, Some technology experts like Elon Musk, founder of the automobile company Tesla, warn that Al poses the greatest danger to the Many people worry about the rapid evolution of morality in artificial envisioned the need for rules that future robots need to abide by in his "Three survival of humankind. Renowned science fiction author Isaac Asimov founder of the AI development company GoodAI, has developed a virtual Laws of Robotics." However, rules alone will not be enough. Marek Rosa, school dedicated to teaching AI systems how to think, reason, and act ethically. "This does not mean pre-programming AI to follow a prescribed set of rules every situation," says Rosa. where we tell them what to do and what not to do in 応用 "Rather, the idea is to train them to apply their knowledge to situations they've never previously encountered." E Rosa views AI as he would an infant, a blank slate on which to imprint basic values. As the child grows into adulthood, these values will be the basis on before. Al programs acquire values and a sense of ethics through a c which the child can determine how to deal with situations never experienced mentor. The complexity of moral tasks increases step by step over time. Rosa gives the example of introducing children to traffic, saying that parents do not let children wander onto the road at first. "In the same way, we expose the Alto increasingly complex environments where it can build upon previously learned m." knowledge and receive feedback from our team. Dindl hos Als read thousands of

(1)25(2)45(3)3√5になったんですけどあってますか？分散と標準偏差値の求め方わからないのでどーって求めるか公式みたいなの教えてください※授業でまだ習ってませんお願いします！！🙏🏻

1 次のデータは、5人の生徒の通学にかかる時間(分)である。 25,15,35,20,30 (分) (1) このデータの平均値 を求めよ。 X (2) 偏差の2乗の平均値を求めることにより, 分散 52 を求めよ。 (3) 標準偏差s を求めよ。 ただし, 小数第2位を四捨五入せよ。

画像1枚目のT/Fの答えの確認をお願いいたします。 自分で解いてみた結果1T 2F 3F 4F 5Tとなりました。 本文が抜けていて情報が不足しているかもしれませんが、よろしくお願いします。

TRUE OR FALSE? ◆内容と合っているものはTを､合っていないものはFを○で囲みなさい。 1. E-book readers are thick because they contain many books. 2. Amazon.com stocks about 3 million e-book titles. 20111 [T/F] said [T/F] 10ggo lo I 3. Printing, delivery, and storage account for about 12 percent of the cost of an a009 They are also odi no 100 e-book. [T/F] 4. Debbi Mack suggests that self-publishing an e-book is a good choice if an author cannot find a publisher. yet fo [ T/F ] Jadi garob to entom s no 5. Eugenia Kim prefers printed books to e-books.d digital readers axood-98 2010 Jul consumers continue to [ T/F ]

二次方程式についてです。大問2(2)が分からないので教えて下さい 🙏🏻

DIUS 2921OE od bobson ylim (20+a+b)655d Tejos somench (5(cd amusas よってa+b=13 イウである。 2 (1) xy=3:5, 3x+2y=57 のとき,x=ア Lengdu rail to abablarist lib1/2 √ ist you all (2) 2次方程式2x²-√6x-3=0の解はx=- である。 smtboos BOSSATO Thieumono 4₁² + 6x² + 9 = 0²²²5 取り (23)=4x+² (3) 講堂の長椅子に生徒を座らせるのに, 1脚に4人ずつ座らせると生徒が1人 1脚に6人ずつ座らせると29脚余り, 最後の1脚は1人だけが座ることになっ の人数はクケコである。rrsgrtinue and this tos rods isl seinua lutumissa, adrbus ebaslef Havit vend yotadt boog,02 267 19 2x2+3=0 337 to evch 997dt taoge, vert tots son land well ed? 12 mi 3915 3 db 右の図のように,2点P,Qが放物線y= うに,2点P,Qが放物線y=3x上に2点ols Hond R, Sが放物線y=-x2 上にそれぞれあり, 線分QP, RS は x軸15479 191 と,線分 QR, PSはy軸とそれぞれ平行である。 SiswsHui vs) (-307³) アイ32q bivea であ

(3)で、なぜ△AFBは10Sになるのでしょうか？

5 右の図の四角形ABCD は平行四辺形である。 辺AD上に, AEDE 2:3となるように点Eをとり,AとCBとEを結んだときの 交点をFとする。 次の問いに答えなさい。 □(1) AF:CF を最も簡単な整数の比で表しなさい。 右の図のように OP (2) AFEとCFB の面積の比を求めなさい。 FEROE 10BT ATSINGO CUSADASTURBASDI- (7318+89A 8 Ar tote 口 (3) 四角形EFCD と平行四辺形ABCDの面積の比を求めなさい。 8 ¶A>=89AN CHAN HOAS

問題で、段落1.2段落からと書いてあるので、Last year〜から、to seeまでかなっと思ったんですけど、実際は、in the summerまででした。 棒線部1の前にはきちんと空いているのになぜそうなるのでしょうか？ わかる方お願いします。 どっちかと言うと英語では... Read More

4 S 15 Chapter yar 英文を読んで、設問に答えなさい。 (thousands of yen) 1400 1200 1000 800 600 400 200 0 January March February April 花の売り上げ Flowers Sales May June July August October Septemb Decembe November 目標時間 words 40 minutes ~ included children, teenagers, and working people who used the station. At the end of this year, she looked carefully at her monthly sales for the whole year. She made a graph to make the monthly trends easier to see. Last year, Margaret opened a new flower shop in Nagoya. Her shop was just in front of a railway station and soon became popular. Her customers According to her data, flowers sold best in December. During the 12月 Christmas season, people buy flowers for Christmas parties, and some people choose flower bouquets as presents. Also, flowers are a common feature when celebrating the New Year and people tend to buy more expensive flowers at 310 the end of the year. In March, there are many opportunities to send flower bouquets, such as graduation ceremonies and job transfers. Similarly, in May people often buy flower bouquets for Mother's Day. Interestingly, sales were good in August, too. The reason is that many Japanese people bring flowers to family graves in the summer. der 秋 On the other hand, flowers did not sell well during fall. Margaret wanted to attract new customers and increase sales in that season. She came up with (2) two ideas. One was to target Respect-for-the-Aged Day on the third Monday in September. She was sure some people would want to send flowers to grandparents on that day. The other was a Halloween promotion She decided to make bouquets in the typical colors of Halloween that people could put in their homes on that day. She hopes that her total yearly sales will # 201 be higher next year. トータル 2つめのアイテ A-1 A-2 A-3

ここの問題解説してほしいです🥹💦

下の図1、図2のように進む前線を何というか。 ②20 図 1 [ ] ②1 図 2[ 1 e 図 1 寒気 暖気 図2 暖気 寒気

【至急】 これらの解答と詳しい解説お願いします🙇🏻‍♀️ (1)～(5)まですべてお願いします

B 次の各組の英文がほぼ同じ意味になるように、下線部を完成させよ。 (1) It seems that she was beautiful when she was young. She seems (2) I'm angry that Alice has been ignored like this. I'm angry at beautiful when she was young. to have been 12S TIESA | (3) When I arrived at the station, I saw the train leaving. ton Arrivins. zbal blo ods mnd (4) As he didn't take my advice, my son caught a cold. odi ar (outal at the station, I saw the train leaving. ignored like this. Totais vor Toddl (5) Since I had not seen him before, I didn't recognize him. my advice, my son caught a cold. him before, I didn't recognize him. gaisausaib