わかりやすいように解説お願いします

ぞれの Goie 問題 63 実数x, y について, 「x2+y2 <10 ならばx+3y<10」が成り立つ。このことを,それぞれの 不等式の表す領域を図示することによって証明せよ。 xie 0 2008nie 850 -0200 +0nie 5865 1-0 200+0nie 50 bai SORTUES (³d +dn-³n) (6+) ( 200+0 [mix) on +0'aie 3.60 TORS -0.00+0 nie -8 2008 nieS+I 011=0 200+0Fate -=8 2000 ie 10 (6 203+02039nie-0 ate) (0805+0nie)=0 200+0'aie ** 2012-1)(8203+0ala)= ©

この下線部のtoの用法を教えていただきたいです。

The episode is a timely reminder that all it takes in our hi-tech world to shut down thousands of companies for a day is a determined old lady with a shovel. Research carried out in Ontal 2010

英検2級のライティングなんですけど、私の回答を採点して頂きたいです。文法的に間違っているところやスペルミスなどお願いします🙇‍♂️

No. Date I think that the number of these people will increase in the future. I have two reasons. First. It is bad for young people to start working for large companies. They have to work for a long time so they have a lot of stresses Second, young people work for a long time but they aren't. C got the income so the large companies should get a lot of 69 Incomes. That is why, I think that the number of these will increase in the future. (84) 45

なぜ中国はアジアＮＩＥＳに入っていないのでしょうか？

この、Q𝗎𝖾𝗌𝗍𝗂𝗈𝗇のところが分からないので良かったら、教えてほしいです。

Lesson 12 In London, I happened to watch a TV program about a school for orphans and street children in Nairobi, Kenya, The children looked unhappy. I suddenly felt an urge to go to Kenya and paint something for those children. 7. be happy with ~ be satisfied G-3 It wasn't easy, but finally in 2006, I got to Kenya, found the school, and was able to paint for the children. I painted an angry dragon. I was happy with it, but a teacher complained, "The children are frightened by the dragon. Some of them refuse to come to school." The children thought that it was a big snake. They did not know that dragons are imaginary. with I asked them, "What would you like me to paint?" "Lions!" "Baobabs!" I asked the children to help me, and we had a lot of fun painting together. According to the teachers, the children became more active than before. 17. a turning point = a moment which changes one's life That was a turning point in my career. Creating happiness through painting in collaboration with others is my thing. I made up my mind to do a painting project every year in different parts of the world. 19. make up one's mind decide TO anoitaeno 1( ) 2() 3() orphan (5:rfən] Nairobi [nairóubi] Kenya [kénjǝ] urge [5:7d3) dragon [drægən] frighten [fráiten] refuse [rifjú:z] imaginary [imádzənèri] baobab [bérǝbæb] according (əkó:rdiŋ] turning [tá:rnin] career [kəriər] collaboration [kəlæbəréiſən] 1. happen to~ I happened to meet her on the train. 15. according to~ According to the newspaper, it's going to rain tomorrow. 18. in collaboration with ~ This building was designed in collaboration with several companies. G-3 This photo was taken by one of the most famous photographers in the world. 44 (diller A turning point in his career, Kenya Does this dragon look scary to you? EPE Lion Happy kids Questions Q-1 Why did some of the children refuse to come to school? Q-2 Who did Miyazaki ask for help with the painting? Q-3 "Creating happiness through painting in collaboration with others is my thing." "My thing" means a. my life's work. b. my painting technique. c. my favorite belongings. Your Reaction Suppose you are going to paint a picture for African children, what would you paint? 45

英語の文法問題です。 (4)の問題の解説をお願いします。

3. 厳しい環境規制を導入することの大きな課題は、企業が利益を得る方法がなければな らないことである。 IW A big challenge to introducing strict environmental regulations is that there has (a/be/companies / for / make / to / to / way) a profit. 4. ひとつの国が従来続けられているものからグリーン電力の発電に移行するには一般 的には何年もかかる。 (a/country / for / generally / it / many / takes / years) to transition from conventional to green electricity generation.

英検2級のwritingです！ 少しでも良いのでアドバイス頂けると嬉しいです！ よろしくお願いします！

以下の TOPIC について, あなたの意見とその理由を2つ書きなさい。 POINTS は理由を書く際の参考となる観点を示したものです。 ただし、 これら以外 の観点から理由を書いてもかまいません。 語数の目安は80語~ 100語です。 解答は、 解答用紙のB面にあるライティング解答欄に書きなさい。 なお、 解答欄の 外に書かれたものは採点されません。 解答が TOPIC に示された問いの答えになっていない場合や, TOPIC からずれて いると判断された場合は, 0点と採点されることがあります。 TOPIC の内容をよく 読んでから答えてください。 go to get a job valuable x QUESTION Pentsta various Today, more and more young people are starting their own companies. Do you think this is a good idea? Point: Experience / Freedom / Income I think that more and more young people are starting their own companies is good. I have two reasons for my opinion. First of all, I think that it is good for us to work what we like. It is valuable experience very much. And. Whenever you like. we can rest whenever Second, we much money. can get 24 (24) It is glad for us to do. If we had much we can buy various things. money, we can buy For These reasons, I think we should start our own companies in the future. 14 88 22 28

なぜ楕円上の点を2cosθ、sinθとおいてるんですか？

例題 小取大 最小 S MEE *** 稲円+y²=1の第1象限の点Pにおいて接線を引き,x軸,y軸と 交わる点をそれぞれ Q, R とする.線分OR の長さの最小値を求めよ. ま た。このときの点Pの座標を求めよ. 考え方 楕円上の点をP(2cose, sine) とおいて考える. y x) (R P (2cose, sin0 ) -2 0 /2 Q x 2 解答 楕円+y=1① 上の点Pの座標を 2010 2 P(2 cos 0, sine) (0<0<) とおくと,点Pにおける①の 119 接線は, nie) +(97) 200) X)(0 nie)-8800)=fg+x 2x cos 0 +ysin0=1+(nia x² 4 楕円 J² + 62=1 y=0 とおくと, x=- 2 2 上の点 (x1, yi) にお より, Q 1800 cos o Cos' ける接線は、 the X- 1 x=0 とおくと, y=- より, R0. R(0, X1X Viy sin sine ²+2=1 したがって, )(0 nie 0+0200x軸上の点のy座標 4 1 QR2=- 10 + = 4(1+tan²0)+(1+ COS20 sin²0 )+(1+ tan2 軸上の点のx座標 FX 1²aie + =5+4tan²0+ 15 +0000 le tan' 4 tan²0.. tan²0 = 9 1 1 1+ すなわち, QR ≧3 tan²0 sin²0 buie & VS Snie S) + tan200より、 等号が成り立つとき,4tan_1 50-2005 tan²0 相加平均・相乗平均 720$dia=0000 の関係を利用 tang=1 08nies OSAKE QR>0 √2 ****** 1=³V (0$ 802 /2√6 よって, QR の最小値は p(2.6のとき,3 cos o= 3 3 3 3 1 3 2-05 800 € sine= 方 3 3 BALAS +0S #10 NO 8 楕円(+(%)=1上の点P(a,b)における接線とx軸、y軸が作る三角形 25+2√4 tau = 第

英検2級のwritingです！ 添削お願い致します！！ 少しでも良いのでアドバイス頂けると助かります！！

以下の TOPIC について, あなたの意見とその理由を2つ書きなさい。 POINTS は理由を書く際の参考となる観点を示したものです。 ただし, これら以外 の観点から理由を書いてもかまいません。 語数の目安は80語~ 100語です。 解答は、 解答用紙のB面にあるライティング解答欄に書きなさい。 なお,解答欄の 外に書かれたものは採点されません。 解答が TOPIC に示された問いの答えになっていない場合や, TOPIC からずれて いると判断された場合は, 0点と採点されることがあります。 TOPIC の内容をよく 読んでから答えてください｡ do get a job valuable f 8 QUESTION Pentata various Today, more and more young people are starting their own companies. Do you think this is a good idea? / Freedom Income Point: Experience 22 "I think that more and more young people are starting their own companies is good. I have two reasons for my opinion. First of all, I think that it is good for us to work what we like. It is valuable experience very much. And. We can rest favorite time. Second, we 28 (X 24 can be got much money. It is glad for us to do. If we have much money, we can buy various things. For These reasons, I think we should 09 start our own companies in the future. 88

途中式教えて頂きたいです。

ウ 278 (3) √9+√/24 +√5- = 9 ヒント (3) mra=m/wa を利用 CO (+8) nies $ cos- A cos (a The ]であ