数B 漸化式の問題です。どなたか解き方を教えてください。

n (3) Sn = bk + n- -1 Σ bk + Σ bk+1 2BWKTĚ, Sn & nDATELAIN. k=1 k=1

直角二等辺三角形の等辺のひとつ(？)は12cmです。残りの角度と辺の長さを全て求めない。(小数点はなし) という問題です。問題文にすら少し疑問がありますが…やり方教えてください🙇‍♂️

9. (2 pts) Given an isosceles right triangle with one leg 12 cm long. Sketch a picture of this triangle. Determine the angle measures and the remaining leg lengths (in exact values, not a decimal). Explain your work.

答えのここの意味教えてください

□ *297 α, B, y は鋭角とする。 tand=2, tanβ=5,tany=8のとき,α+β+yの 0°C FOR YOU IQAJ 値を求めよ。 例題 69 298 次の等式を証明せよ。 (1) car (ot Blain( SI (2) ABUOS TAIWA

九番がわからないので教えてください🙇‍♀️ちなみに2枚目が答えです。特にDがなぜダメなのかを教えて欲しいです。

In Exercises 9 and 10, which sets of ordered pairs represent functions from A to B? Explain. 9. A = {0, 1, 2, 3} and B = {-2, -1, 0, 1, 2} (a) {(0, 1), (1, − 2), (2, 0), (3, 2)} - (b) {(0, − 1), (2, 2), (1, − 2), (3, 0), (1, 1)} (c) {(0, 0), (1, 0), (2, 0), (3, 0)} (d) {(0, 2), (3, 0), (1, 1)}

漸近線を求める問題です、お願いします

8. The temperature, 0°C, of a cup of tea / minutes after it was placed on a table in a room, is modelled by the equation 0 = 18 +65e s Find, according to the n. el, (a) the temperature of the cup .. 18⁰ ℃ (1) (b) the value of 1, to one decimal place, when the temperature of the cup of tea was 35 °C. 35 = 18+ 65ē 7/8 -t/8 (3) ⇒19=65€ 7/65 lu (17/4)= -4/8 (c) Explain why, according to this model, the temperature of the cup of tea could not fall to 15 °C. HA (0,94) 720 N = A + Re en it was placed on the taki (8,50) 1>0 μ= A + Be 8 04-1 Figure 2 The temperature, μ °C, of a second cup of tea t minutes after it was placed on a table in a different room, is modelled by the equation Laverage the room temp 0 -18 where A and B are constants. Figure 2 shows a sketch of u against / with two data points that lie on the curve. The line 1, also shown on Figure 2, is the asymptote to the curve. Using the equation of this model and the information given in Figure 2 (find an equation for the asymptote /. -trg t>0 is 24°C 04 142 (1) 4:10.7² DO NOT WRITER €

下の文の品詞分解お願いします！！

12. 彼がどんな人か私に説明し な人が私 0 x) Please explain me what he is like. D) Please explain to me what he is like. 0 J そ a + 第4文型のexplait

英語の長文ってどうやったら読めるようになりますか

1 次の英文を読んで、問 (1) ~ (5) に且本語で答えなさい。 Lobola is the African custom of paying fora bride. Although it is an old custom, not In fact, it is being debated in Botswana. everyone in African cultures is happy with it. Many people, including many women, support payment of lobola. They explain that in Tswana culture, a marriage means joining a family, not just marrying an individual. The idea of marrying into a family is very African. just the man.Through marriage, the young woman's family loses their daughter as she then becomes a part of her husband's family. Lobola is a way to show thanks. It is a form of generosity in African culture. In its traditional form, they also explain, the groom's family gave cattle to the bride's family. But it didn't matter whether the family owned cattle or not. A woman does not get married to A man only had to pay what he could afford if he had no cattle, he could give something else, even the smallest form of payment. The tradition of lobola was a matter of pride. Today, lobola is often given in cash. purchase of a bride. Lobola is meant to join two families together. They know that But its supporters say it is not about the some people abuse the custom. But they believe that the tradition should not be tossed out because it has many positive effects. Rather than get rid of it, many believe it should just be explained better. However, many others say this custom should be stopped. They think it has become commercialized. Families make lots of demands on the groom. They think this makes lobola look very bad. They argue that in Africa's past, a girl was an asset at home. and other household chores. She did the cooking When a family lost that child through marriage, it demanded payment. Today, they think that lobola has changed into a useless tradition. In this custom, a man is buying the right to control a woman. They say women are individuals with rights. In today's world, parents do not have to be paid for a bride because their male and female children are equal. They all work and make contributions to the household. They believe that paying lobola makes it seem like a man is buying a pair of shoes or a bicycle, instead of getting married. They also argue that it is often a financial burden for couples. It is too difficult for many people to pay the price asked. So, is lobola a rich tradition, bringing families together? Or is it an ugly custom of buying women? This debate continues in Botswana, as does the custom.

3枚目の答え方だと間違いですか？

233 次の極限を求めよ。 1 *(1) ) limx*cos x (2) lim x→0

3の問題なのですが答えは2です。 なぜlayの過去形のlaidはダメなんでしょうか

3. They ( ) on the grass. ① lied ② lay 3) ③ laid 4 lain 4. Please( )me your dictionary.

英語の質問に対する解答のした方についてです。 ２）1と2の解答をSVがある文章で答えるとどうなりますか？ よろしくお願いします 必要であれば本文も写真載せます

We most easity mernorize am Chinese Speakers get that Net unike Engiish speakers 一 地 into two seconds. That example comes fro 困 次の質問の生えを探しながら、 英文をし。 解答しなさい。 は) ma which language are the number words pronounced longer in English or in Chi 叶 を (2) What system jn Asian Janguages is logical? exDlainS: 3 What can Asian children make far more easily thanks to their number Systemss Chinese number Words are : 。( ウ ) ofasecond Gor i *seven”一 are longer: ④ 』 (4) 操Chinese, how do they express “three fifths"? memory gap between Eng (5) fm what subject do Asian people have a builtin advantage over English speakers word length. tangs to fheir anguages? 選 () ( 3 内から選んで書きなさv リッ 提較 (⑫ 下線部①の( ) 上回 次の要約文の音声を聞いて, ( )内に き る 革 と rg ニオィビー 革文を書き取りなさい。 また英文は指示されたアルフ 間際