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。

わかる方教えてください！！

Practice 2> 日本文に合う英文になるように、( )内の語を並べかえ、 全文を書きなさい。 1. If ( here / lunch./ make./ Kumi / would./ were / she./,) for us. もし久美がここにいれば、 私たちに昼食を作ってくれるでしょう。 2. If (sleep / Sunday / today,/ were / I/ longer / could /,): もし今日が日曜日であれば、もっと長く眠っていられるのに。

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 -

（2)のまるで囲んでいるところがわかりません。なぜなるのか教えて欲しいです。

a o 補充例題127 三角形の形状決定 次の等式を満たす△ABC はどのような形をしているか。 (1) ccos B=bcos Cn (2) asinA+bsinB=csinC 194 (佐賀大 補充12 CHART OLUTION 辺だけの関係に直す 三角形の辺や角の等式 なお、三角形の形状は, その三角形がただ一通りに走まるように的確に答っ、 参考角だけの関係に直 と,正弦定理から c=2RsinC 解答 (1) 余弦定理により,与えられた等式は c'+a-6 a'+8-c -=6. 2ab 2ca b=2RsinB niet c+a°-6_α°+ぴー 2a これらを与式に代入し 理すると tanB=tan0 よって B=C (しかし,いつもこのよう うまくいくとは限らない よって 2a 両辺に2aを掛けて 2c=26° c+a-6°=a°+6-c° c=6° ゆえに すなわち b>0, c>0 であるから よって,△ABCは AB=AC の二等辺三角形 (2) AABC の外接円の半径をRとすると,正弦定理により c=b nieiS=Dd すると -Rの断りを忘れない。 うにする。 図におい aies b a sin A= sin B= sinC=。 S 2R 2R 2R これらを条件の式に代入して led'niaAS+ieA ー( SIna 6? 2RT2R (8nie+ Aaia) ()(ania+A 1B:AC 辺だけの関係に直す。 2R 両辺に2Rを掛けて よって,△ABC は ZC=90° の直角三角形 a°+8=c° から 00 INFORMATION 三角形の形状の答え方 200 (8a0b 三角形の形状を答えるとき, 単に,「二等辺三角形」とか「直角三角形」だけでは。 答として不十分である。等しい辺や直角である角も必ず示しておくようにする。円 上の解答では (1) AB=AC でそれを示している。 (2) ZC=90° PRACTICE…1279 次の等式を満たす△ABCはどのような形をしているか。 as 5のこ (1) bsin?A+acos'B=a

21から26お願いしますm(_ _)m 5時までにお願いしますm(_ _)m

(18) Caroline doesn't have as ( ) CDs as her brother does, so (23) A: Hey, Rob. Can you and Yuki come for dinner tomorrow? I'm she often borrows his. 1 soon making curry. B: That sounds good. ( 23 ) A: Oh, I didn't know. I can make a mild one especially for her. B: That's very kind of you. I'll ask if she's free tomorrow evening. 2 much 3 long 4 many (19) A: When I asked Patrick to go to a movie with us tonight, he said no. But he didn't say ( B: Maybe he's not feeling well, or maybe he just has other plans. 1 which ) he doesn't want to come. 1 But I don't like making Indian food. 2 But I ate curry at a restaurant yesterday. 3 But Yuki doesn't really like spicy food. 4 But Yuki thinks curry is hard to make. 2 what 3 why 4 who (20) Randy just got a puppy for his birthday. He really likes it and (24) A: Hello, sir. Welcome to Ron's Pet Store. Can I help you with can't stop ( 1 to follow 3 to be followed )it around the house. something? B: Yes.( 24 ) I think his old one is too small. A: I see. How about this one? It's the largest we have in the store. B: That's perfect. He'll have plenty of space to swim around. 2 following 4 followed 次の六つの会話文を完成させるために, (21)から (28) に入るものとして最も適切 なものを1, 2, 3, 4の中から一つ選び, その番号を解答用紙の所定欄にマーク しなさい。 2 I bought a baby turtle recently. 1 I want to get a bigger turtle. 3 Iwas just looking at that turtle. 4 I needa tank for my turtle. A: Hi, Kaori. I haven't seen you in the office for a while. Have you been on vacation? B: Yes. I went to Rome with my husband for a week. It was fantastic. A: Did you take any pictures? I'd love to see them. B: Well, I did, ( 25 ) A: Oh, that's too bad. You must have been really upset. B: I was, but luckily my husband also took some. I'll show them to you later. A:I was thinking about going to Rome myself. Do you recommend it? B: Yes. ( 26 ) There are so many interesting things to see. (21) A: Guess what, Uncle Bob! I started learning karate today. Mom said you used to do karate. B: That's right. I took lessons in high school. A: Can I practice with you? We could do it in the backyard. B: ( 21 ) You might get hurt. Maybe after you've had some more lessons. 1 That's probably not a good idea. 2 You should practice with me now. 3 It would be better to quit your lessons. 4 Ill get changed into my karate uniform. (22) A: I'mgoing to Paris on a homestay this summer. B: Really, Karen? My sister lives there. ( 22 ) A: That would be great. I'd like to meet her. B: Well, write to her soon because she's very busy. (25) 1 but I forgot where I took most of them. 2 but I lost my camera on the last.day. 3 but I haven't gotten them from the store yet. 4 but I didn't bring the camera with me today. 1 Shall I go to France with you? 2 Shall I introduce you to a host family? 3 Shall I give you her e-mail address? 4 Shall I teach you some French? (26) 1 I'm sure you'd have a great time. 2 It's more fun with lots of people. 3 You should go to Milan instead. 4I like to practice my Italian. 38

数A ⑵の問題です なぜ1＜n＜19なのですか？

438 基本例題127 有限小数, 循環小数 10進数 10進数) OO000 1 を小数で表したとき, 小数第50位の数字を求めよ。 13 RT OS 10進数- ) 10進 Nをn 19 (2) nは自然数とする。 を小数で表したとき, 整数部分が1以上の有限 n 小数で表されるようなnは何個あるか。 p.437 基本事項 1 CHARTO OLUTION 商が0 2) 10進 分数の分類 分数は,整数, 有限小数,循環小数のいずれかで表される (1) 分母の 13の素因数は 13であるから循環小数になる。k個の数字が繰り返し 現れるなら,50 をんで割った余りに着目。 pXna 分を求 m (2) 既約分数 が有限小数で表される → の素因数は 2,5だけからなる n の時算から | 2 43 余り 21 210 また 有限小数Nの整数部分が1以上 → N>1 を利用する。 解答 1 1 1 =0.0769230… =0.076923 13 22 -0.0769230…を見て、 0076923 が循環すると早 合点してはいけない。 よって,小数点以下で 076923 の6個の数字が循環する。 1 1 0 0…1 が0 50=6-8+2 であるから,小数第 50位の数字は 076923 の2番目の数字 で7である。 19 19 *整数は有限小数ではな の整数部分は1以上であるから n 19 =1, 19 とな n n いから、 MEORMATIC nは自然数であるから 分母nの素因数が 2,5だけからなるとき,有限小数となるか ら,①の範囲で素因数が 2,5だけのものを求めると 2'-5°=2, 2°-5°=4, 2°·5°=8, 2*.5°=16, 2°.5=5, 2'.5'=10 よって, n=2, 4,5, 8, 10, 16 の 6個ある。 1<n<19 るようなnは除く。 の時算で変し 2°:5° の形の数で①を 満たすものを求める。 N=abc(n これを、て b=0, 1 に着目。 N=nlan D=0.abc これを、て p=at PRACTICE …127® を小数で表したとき, 小数第100位の数字を求めよ。 26 5 (1) 分数 23 nは?桁の自然数とする。 」S=52|1|0が aる TC

答えが分からないので回答をお願いしたいです！

11 oN*動名詞 LE 動名詞の用法……動名詞の主な働動きは名詞であり, 通例「~する(である)こと」という意味を表す 1 主 語 Drawing pictures is my hobby. 2 補語 His hobby is collecting old coins. 3 目的語 He doesn't like traveling by air. ●動名詞の方を目的語にとる動詞 (絵を描くことは私の趣味です。) (彼の趣味は古銭を集めることです。) (彼は飛行機の旅が好きでない。) enjoy, finish, mind, practice, stop など。 (彼女は話をやめた。) She stopped talking. ●不定詞の方を目的語にとる動詞 hope, promise, ask, except, afford など。 (あなたに手紙を書くことを約束します。) I promise to write to you. ●動名詞と不定詞の両方を目的語にとる動詞 意味が変わらないもの…begin, like など。 意味が変わるもの………forget, remember など。 0JD Dd DdD Aロ○ T宗お文のT完さの A A 次の() 内から適当なものを選び, ○で囲みなさい。 のI promised(to come, coming) again next month. Did you remember ( 1ocking, to lock) the door? on aidy best 1v9n 3usd 1 Ann finished (to write, writing) letters this morning. vil cov ovsd gnol woH 0 oro 28d 1otni 2 3 Do you want me (coming, to come ) with you? He is proud of (to be, being) rich. She avoided(to answer, answering) his questions. toy domul bst uoy orall 5 abnom, 9oid 1o1 nist on bed ovard 元の内 B 次の文を日本語に訳しなさい。 0I remember seeing her last week. ラ文の won ラ1ad tfn2i of1 abene o mow oliM 1 2 Would you mind opening the window? 3 I don't feel like eating anything today. の I couldn't help laughing at his joke. 1ot sasnsqsl baibure l onul C 次の日本文の意味に合うように, ( )内に適語を書きなさい。 0 食べ過ぎは健康に良くない。 本日の too much is not good for your( Og 2 私は子供の頃ここで遊んだのを覚えている。 do8 Somalq I ( here in my childhood. またあなたに会えるのを楽しみにしてます。 I am looking forward you again. 12 Primer

答えが分からないので回答をお願いしたいです！

(swimming/in/can / sea / go /I/the)? * 助動詞(2)- 次の日本文に合う英文になるように, ( D の 海に泳ぎに行ってもいいですか。 )内の語を並べかえなさい。 の 。私は彼女と一緒にバレーボールをしたいものだ。 (with / play / like / volleyball / her /I/to/would). のあなたは午後,ピアノの練習をしなければなりません。 (the / the / you / piano / practice / in / must / afternoon). のあなたはここでたばこを吸ってはいけない。 dood dailgna ( dom m) (not / you / smoke / must / here). Vosm 塩をまわしていただけませんか。 (pass / salt / you/ would / me / the )? 6 私たちは老人に親切にすべきです。 2dam avewia ode (kind / be /we / people / should / old / to). のその男性は,優しい人にちがいありません。 8 (the / must / kind /be / man / a/person). guidtom2 ① E 次の文を日本語に訳しなさい。 0 It can't be true. 2 You should get up earlier. nob asod d gaidbygari Could you tell me the way to the city hall? abroteo uor 39 の The door would not open. Primer