至急教えてください。お願いします。

If he (@ bought ⑤ had bought ) the picture, he would ( @ be b have been) rich r utouit2 bno 1omm utouitebno jomm abulany buow e s / Practice こい 1.私がスペイン人なら,そのチームを応援するわ。 IfI(@ were Choose the correct word(s). support b had D had been) Spanish, I would (@ Supporte ATA Tot bluow bours ( GU TO the team. the 2. もしその絵を買っていたら,彼は今,裕福だろうに。 Rewrite the following sentences. 1. Because I didn't live in a big city, I didn't see that movie → IfI( big city, I ( that moi, anode onal 2. As he is shy, he cannot talk to her. → If he ( ) shy, he ( th the ) to her. COUS food 3. Since I didn't sleep well last night, I am sleepy now. → If( ) well last night, I(eda1)( ) sleepy c 3 Fill in the blanks. J り 1. もしもっと時間があれば,もっと長居するのですが。 We would stay longer 2. この物語を読んでいたら, あなたはお化けを見たいと思ったかもしれません。sdbad you might have wanted to see a ghost 3.自家用飛行機があれば,そこに飛んでいけたのにね。 01 if we had had our own airplane. TOVno Focus on Form Describe each picture below using the words in ( ). Picture A (if I had 50,000 yen) ud inblooon Picture B (if, had got up, could have) S The Power of Presentation

わかりません。教えてください！

If he ( @ bought ⑥ had bought ) the picture, he would ( be ⑤ have been ) richn lany utouie bng1om bitoo C4 | Practice Choose the correct word (s). 1. 1. 私がスペイン人なら, そのチームを応援するわ。 IfI(a were D had been ) Spanish, I would ((@ support ⑥ had Ws Support。 2 Tov e blno 3 the team. Tof Te A 2. もしその絵を買っていたら, 彼は今, 裕福だろうに。 2 Rewrite the following sentences. 1. Because I didn't live ina big city, I didn't see that movie. B- IfI( that mon ) in a big city, I( mun sgon 2. As he is shy, he cannot talk to her. If he ( ) to her. ) shy, he ( ト 3. Since I didn't sleep well last night, I am sleepy now. → If(- dhut )(u) welllast night, I ( ) sleepy m 3 Fill in the blanks. (税) 1. もしもっと時間があれば, もっと長居するのですが。 We would stay longer 2. この物語を読んでいたら,あなたはお化けを見たいと思ったかもしれません。d bail you might have wanted to see a ghos 3. 自家用飛行機があれば,そこに飛んでいけたのにね。 if we had had our own airplane. | Focus on Form Describe each picture below using the words in ( ). Picture A (if I had 50,000 yen) Picture B (if, had got up, could have) Coo 100ob

黄チャの問題です ⑵の赤文字より下からどういう意味か理解できません、、お願いします🤲

(1) +y+zー3xyz =(x+y)°-3xy(x+y)+z°-3xyz =(x+y)°+z°-3xy{(x+y)+z} =((x+y)+z}{(x+y)*-(x+y)z+2)-3.xy(x+y+2) =(x+y+z){(x+y)?-(x+y)z+z?-3xy} =(x+y+z)(x+2xy+y°-xz- yz+z?-3xy) =(x+y+z)(r+y°+z?-xy-ya- zx) E 答 x+yをまず変形。 (x+y)とごのペア、 を共通因数はx+y+z ャ以下,()内を整理。 (解 輪環の順 E (2) a+6ab-86+1 x x=a, y=-26, 2=1 ={a+(-26)+1} ×{a°+(-26)?+12-a·(-26)-(-26)·1-1.a} =(a-26+1)(a+46°+1+2ab+26-a) =(a-26+1)(a'+2ab+46°-a+26+1) よ を(1)の結果に代入。 (1)の結果はよく使われるので公式として覚えておこう。 LOINT a°+ぴ+c°-3abc=(a+b+c)(α'+ぴ+c°ーab-bc-ca) PRACTICE …3® 次の式を因数分解せよ。

(3)の式の答えがなぜ3分の2になるのかわからないです。

答 答 の個数は ど&=n(n-1)であるから I-4 k=1 2 I =今n(n-1).4+4n+132n"+2n+1 an ao=1, ai=5 はこれを満たす。 よって an=2n°+2n+1 答 u u (2) bn=Z an=1+ (2k°+2k+1) k=1 0=4 I =ー(n+1)(2n°+4n+3) (3) lim -号皿(1+)(2++ カシノー u Practice 9 ★★★★★ xy 平面において, x, yがともに整数であるとき、 mを正の整数とするとき, 放物線 y=x°-2mx+2 って囲まれた図形をDとする。 (1) Dの周上の格子点の数 Lm をmで表せ。 (2) Dの周上および内部の格子点の数 Tm をmで (3) Dの面積を Sm とする。 lim を求めよ。 Tm Sm u ○Tu

なぜ、(2)と(3)は、極２分のπを通ると記述しなくてはいけないんですか？お願いします！

極方程式 ○dO00。 OOOO0 110 基本例題 67 直交座標の方程式 次の直交座標に関する方程式を,極方程式で表せ。 (1) x-V3y-2=0 (3) y=4x (2) x°+y°=-2x D.105 基本事項 CHART lOLUTION MOITUIO 直交座標の方程式 一 極方程式 =rcos0, y=rsin0, x'+y°=r x, yをr, 0を用いて表す。 また, 得られた極方程式が三角関数の加法定理など を用いることで,より簡単な方程式になるときは, そのように変形する。 (1)では途中で, r(acosθ+bsin0)=c の形の極方程式が得られる。このとき, 三角関数の合成を用いても簡単な形になるが, 加法定理 cos(α-B)=cos acosβ+sinasinβ を利用すると, rcos(0-α)=d の形とな り,表す図形がわかりやすい。 (2),(3)では r=0 が極を表すことに注意し, 他方に含まれていることを確認す 日A04 る。 解答 (1) x-V3y-2=0 に x=rcosθ, y=rsin0 を代入すると 合 rcos 0-/3rsin0-2 r(cos0-V3sin0)=2 0+A0rA Cosa G6D =0 /3 ゆえにcoso+sine-(-)-15grs よって、求める極方程式は(rcos(0-2)=1 2' 5 -π=1 3 rcos 0 3 2 (2) x°+y°=-2x に x°+y°=ア, x3rcos0 を代入すると r(r+2cos0)=0 r=0 または r=-2cos0 利用 合=-2rcos 0 ゆえに 甘る A代職 Tπ を通る。 J 極0の極座標は中 ア=0 は極を表し,r=-2cos 0 は極(0, 2 よって, 求める極方程式は 口(3) y=4x に x=rcos0, y=rsin0 を代入すると (0, 0) 0は任意の数。 r=-2cos0 r(rsin'0-4cos0)=0 DB(- *パ'sin'0=4rcos@ ゆえに r=0 または rsin'0=4cos 0 r=0 は極を表し, rsin'0=4cosθ は極(0, (π を通る。 2 よって, 求める極方程式は rsin'0=4cos 0 PRACTICE…67° 次の直交座標に関する方程式を, 極方程式で表せ。 (1) x+y+2=0 面 (2) (x°+y?-4y=0 来(3) x-y°=-

分かる方、教えてください！🙇‍♀️

Practice 0odtnt 191つ81ao btste ]内の語を適切な形にして, 下線部に書き入れなさい。 1. Harhg ben new in town, he didn't know anybody. [be] 徹め頂も和らるかっ。 2. out the window, I saw some children playing. Tod allgb gigwa/ happily, she shook my hand. e s be [look] 3. [smile] 9 1oTSIOE uboxg

解説してください 解き方教えてほしいです

の PRACTICE … 69 関数 F(x)=-x-ax+2a° (0Sx<1, aは定数)について、最大値が5となるとき, aの値を求めよ。 【類国士舘大)

説明お願いします

エーー ー2 PRACTICE … 63 に凸の放物線で。 aを定数とするとき、aSx<a+1 における関数 f(x)=x-10x+a について (1 (2) 最小値を求めよ。 大 ) 最大値を求めよ。 動小景 (S)

説明お願いします

PRACTICE … 61 0(メー) aを正の定数とするとき, 0<x\aにおける関数 f(x)=-x?+6x について (1) 最大値を求めよ。 (2) 最小値を求めよ。

英文2段落目3文目のfor fairy talesのforは使ってという意味で使われているんでしょうか。、？ また、第4段落5文目が上手く訳せません、、、 これは過去完了でしょうか？？それとも、彼女は持っていた、1番初めのwrittenとdrawnをみたいにただの過去形で... 続きを読む

Your group is preparing a poster presentation entitled "The Woman Who 第5問(配点 15) c 15e uW y bos AS neighb A (20d dos Tot nongo in b s saoodt time a Wanti Created Peter Rabbit "using information from the magazine article below nob land her e Ved Pig ト popular character, Peter Rabbit. She brought her characters to life in b witty stories with finely detailed watercolors. a Br herit The daughter of wealthy parents, Helen Beatrix Potter was born on July 28, 1866 in South Kensington, London. She was educated at home and developed a love of literature and art. She used to practice her craft bv making illustrations for fairy tales like Cinderella and Sleeping Beauty. Also drawn to nature, she and her younger brother Walter kept many pets mice, rabbits, even bats and a hedgehog and she loved her family's long holidays in the Scottish countryside and the Lake District, a mountainous area in northwest England. in 19 The As a child and teenager, Potter made great sketches of her pets, as well as of trees and plants. She also kept a diary in which she recorded her Qpinions about cultural and political ideas and events. She wrote in a secret bs nsgst Peri 1866- Code that was not broken until fifteen years after her death. In the 1890s, Potter began selling her drawings.Potter's work was used for Christmas and New Year cards and an illustration of poetry. She was pleased by this success and decided to publish her own illustrated stories for children. In 1901, after the manuscript. was rejected by several publishers, she self-published her first book, The Tale of Peter Rabbit, She had first written and drawn a version of the story in a letter to the. sick child of her former private teacher.、The child was so delighted with it that Potter felt other children would be, too. She was right. The story of naughty Peter, who always gets into trouble because he does not follow his sisters' example and obey his mother's rules, was very popular. 、In 1902, the publisher Frederick Warne & Company printed a commercial edition, and it went on to become one of the most famous children's books of all time 1 Over the next twenty years, Potter wrote and illustrated twenty-two more books with that publisher, her early_observations of the animals and plants of her childhood often making their way into the stories. Potter's The Tale of Mrs. Tiggy-Winkle, published in 1905, for example, includes - 22 -