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英語 中学生

これの答えが欲しいです。

SEAS 本日 ア a (2) How ( 11 次の )に適する語 (旬)をア~ウから1つ選びなさい。 (1) I have ( ) friends in Australia. They are very kind. イ some ) do you have? ウ any di mi ア any brothers イ many brother ウ (3) I don't like ( ). many brothers ア dog イ dogs (4) You and I ( )good friends. Many dog ment ア are イ is (5)( ア This (6)( ) are my father's cameras. ) many books do you read every month? ウ amid 0 イ That ア How イ What 三省 ウ Those ウ Who l 点 2 次の に、( (1) I need some (potato) (2)We sometimes catch many (3)Many )内の語を必要があれば適する形にかえて書きなさい。 Sinabuta wen p in the river. (fish) come to the park after school. (child) (4) I have a lot of Japanese today. (homework) 3 次の対話文がなりたつように、 に適する語を書きなさい。 (1) A: Are those your cats? B: Yes, (2) A: Are you and Sakura sisters ? B: (3) A: Are those new students from America? B: No. (4) A: B: I can see six. [S] male 8. on abo fostlos anith wood A 08 Syabu no foodbe of any of .ob 8 Shea nor SAI Sakura is my cousin. from Canada. colors can you see in the rainbow? bault BOY (5) A: these boys in the picture? Donolumell me B: They are my classmates. nat sivama! 4 次の文を 内の指示にしたがって書きかえるとき、 に適する語を書きなさい。 (1) That cat is cute. (下線部を複数形にして) food besar be cats cute. (2) This is a beautiful picture. (下線部を複数形にして) beautiful (3) I am a movie fan. (like を使ってほぼ同じ内容を表す文に)

未解決 回答数: 1
数学 高校生

数IIの軌跡と方程式の問題です 青色のマーカーの「逆に」という部分が どこから導き出せたか分かりません 2問同じところで分かりません 教えてください🙏

られた条件を付 を求める 本 例題 98 曲線上の動点に連動する点の軌跡 ののののの 点Qが円x+y=9 上を動くとき、点A(1,2)とを結ぶ線分AQ を 2:1 に内分する点Pの軌跡を求めよ。 p.158 基本事項 CHART & SOLUTION る。) ものを除く 連動して動く点の軌跡 9 点Pが 。 s2+t2=9 1・1+2s x= 2+1 1+2s y= ラ 3 2+1 よって S= ラ -31-1,1-31-2 t=3y-2 つなぎの文字を消去して,x だけの関係式を導く ****** 動点Qの座標を(s, t), それにともなって動く点Pの座標を (x, y) とする。 Qの条件をs, を用いた式で表し,P,Qの関係から, s, tをそれぞれx,yで表す。 これをQの条件式に 代入して, s, tを消去する。 3章 解答 Q(s, t), P(x, y) とする。 Qは円x2+y2=9 上の点であるから Pは線分AQ を 2:1 に内分する点であるから 13 YA 3 軌跡と方程式 ① (s,t) 1.2+2t 2+2t A (1,2) 13. 0 x 3 2 こんに内分 P(x,y) -3 .y) これを①に代入すると3x21)+(3v=2)=9 つなぎの文字 s, tを消 2 2 9 ゆ x- + V =9 4 3 + melli 去。 これにより,Pの条 ugetug件(x,yの方程式)が得 られる。 よって(x-/1/3)+(y-2/28)2-4 =4 ***** (2) 以上から、 求める軌跡は 中心 (1/3 2/23 半径20円 P(y)とがいて POINT 曲線 f(x, y) = 0 上の動点 (s,t) に連動する点(x, y) の軌跡 ① 点 (s, t) は曲線 f(x, y) =0 上の点であるからf(s, t) = 0 したがって,点Pは円 ②上にある。 逆に円 ②上の任意の点は、条件を満たす。 上の図から点Qが |円 x2+y2=9上のどの位 置にあっても線分AQ は 存在する。 よって, 解答で 求めた軌跡に除外点は存在 しない かなを満た妨方程式で導いたのだから、Pはその方程式の ・表札・図形 ほあ ② s, tをそれぞれx, yで表す。 ③ f(s, t)=0に②を代入して, s, tを消去する。

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TOEIC・英語 大学生・専門学校生・社会人

青くしてある文の文構造と訳し方を教えていただきたいです🙇‍♀️ また、mainstream America の語順に違和感を感じていて、(American mainstream とした方が正しくない?と思ってしまいます、、)それも解説いただきたいです。

Neil Hello. This is 6 Minute English from BBC Learning English. I'm Neil. Georgie And I'm Georgie. Neil If I told you I'd been for a walk to see Big Ben and Buckingham Palace, you'd know straight away I was in London. Georgie But what if my walk went past cafes selling mozzarella and ricotta where I smelled freshly made cannolis and focaccia... Where would I be then? Neil Focaccia and mozzarella... you'd be in Italy, right? Georgie Yes, Italy, or 'Little Italy' to be exact - the neighbourhood in some cities where Italian communities settled and made their home. Neil These Italian arrivals opened shops and cafes selling food to their own communities. Soon dishes like spaghetti and meatballs attracted the attention of local people, and gradually Italian food became famous around the world. In this programme, we'll be taking a walk through two Little Italys, one in Argentina, the other in New York, and, as usual, we'll be learning some useful new vocabulary as well. But before that, I have a question for you, Georgie. According to a recent YouGov poll, which Italian food is most popular with British diners? Is it: a) pizza? b) lasagne? or c) garlic bread? Georgie I think it must be pizza. Neil Okay, Georgie, I'll reveal the answer at the end of the programme. One country Italians moved to was Argentina. In 1898, Giuseppe Banchero arrived in the neighbourhood of La Boca, the Little Italy of Buenos Aires, where many Italian immigrants started restaurants. Here, Hugo Banchero, grandson of Giuseppe, tells his story to Veronica Smink, reporter for BBC World Service programme, The Food Chain: Hugo Banchero Well, my grandfather came from Italy, from Genoa, from Liguria. He was born in the centre of Genoa and arrived here in 1898 at the age of seven and a half, and this pizzeria where we are was founded on March 28, 1972. We have been here for 91 years. Veronica Smink So what culinary traditions did they bring with them? Hugo Banchero Well, our culinary tradition is pizza, and we incorporated the faina from Genoa, which is a pizza with chickpea flour... Georgie In 1898, Giuseppe founded his pizzeria - a restaurant selling pizza. When a business is founded, it's established someone starts it, or sets it up. Neil Giuseppe brought the culinary traditions from his home in Liguria in northern Italy, including regional pizzas like faina and fugazzetta. The adjective culinary describes anything connected with cooking. Georgie But probably the best-known Little Italy in the world is an area of Manhattan's Lower East side in New York. Ninety percent of Italian immigrants who arrived in the US at the turn of the century came through this neighbourhood. Neil De Palos, one of the original shops selling Italian food in Little Italy, has been serving customers for 113 years. Here, Lou De Palo, co-owner and great-grandson of the original owner, Salvino, explains more about his family history to BBC World Service programme, The Food Chain: Lou De Palo 1925... when my grandmother, Concetta, and my grandfather, Luigi, got married, they open their own shop... it's the shop we continue today being the fourth generation working alongside my sister, Maria, my brother, Sal, and our children, the fifth generation. Our business has expanded; expanded to present the full food culture of the 20 regions of Italy. Little Italy is the stepping stone of the Italian immigrant. This is where many of the Italians first came through Ellis Island, and then settled here, and then eventually moved into mainstream America throughout the rest of the country. Georgie Lou De Palo is the fourth generation of his family to run the shop, and his children will be the fifth. Phrases like fourth or fifth generation describe the children of people whose parents immigrated to a particular country.

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