答え自体はあってますが、赤本の回答を見る限りこれでは不十分らしいです。なぜ不十分なのですか？

(3) 原点0からC に引いた2本の接線の傾きがともに整数になる確率をえ 3点0, A, Bは同一直線上にないものとし, 3点0, D, Eも同一直線上 座標平面上の点O(0, 0), A(aj, az), B(b,, ba), C(bg, -6,)を考える。き よ。 (2) C と 軸とで囲まれた領 めよ。 回日 3 らに, 0冬0,ミT, 0<っニェに対し, D(a, cos , - as sin 6,, aj sin O, + ag Cos@,) E(b, cos @, - b, sin @g, b, sin @, + b,2 Cos @,) とおく。 (1) |OA| = |OD を示せ。 (2) OA-0d = 0 かつOA:OB= 20D·Oキ0であるとする。,==あ るとき,6。を求めよ。 (3) △OAB の外接円の半径をr, とし; △ODE の外接円の半径をr。とする。 また, △OAB の面積を Sとする。 AB: DE =2:3であるとき, AODE の面積を, S, r,, T2 で表せ。 (補足説明) にないものとする。

この問題について教えてもらえるとありがたいです

Reorder the words and phrases to make imperative sentences. Write complete sentences. 59. the children / tell / to hide 60. from one / count / to fifty / then 61. “Here I come!”/ say / very loudly / after counting. 62. find / run / and / the children

ここの問題を教えて頂けるとたすかります。

Reorder the words and phrases to make imperative sentences. Write complete sentences. 59. the children / tell / to hide 60. from one / count / to fifty / then 61. “Here I come!”/ say / very loudly / after counting, 62. find / run / and / the children

❁のjobはworkの方がいいですか❔ 下の2文はこれからかくよていです！

年件 弊附るト 9目0 Parase 3ーちのった関係付形調. 1espect my 2other。 Beause ske Dees feusennk every olay. Irso very difieadt job wite alot of lowdy のs cnkng. he is a moman I wOnt to he

解説を見てもよく分かりません。 教えてください！

注意 0-02>90° ならば, 01-02は鈍角となる。 求めるのは2直線のなす鋭角だから,このとき 0=120°, 02=135° したがって, 2直線のなす鋭角 0は 0=0,-0,=135°- 120°=15° 203 ta 8 1 203- OTE.0-1 COS 080nst31s) (2) 2直線 y=-- y=x V3 y=x とx軸の正の向き とのなす角を,それぞ 、1 れ0,02とすると 0. 2 0 11 x 1 ONe tan0」= 33 1 ソ=ーー 1 tan02=1 P20: /3 081)e0 V3 よって 0=150°, 02=45° したがって,2直線のなす鋭角0は 0=180°-(0,-0,)=180°-(150°ー45) 0Rrast= "361 ns) =180°-105° =75° 0. 08 0=180°-(0,-0,) となる。 30 120.

画像の1番下の Q1 What were the good points of the 20th century? What were the bad points？ の答えはどうなりますか？

“Looking Back at the Twentieth Century" is an exhibition of 300 photographs which show us the history of the past In the entrance hall the guide introduces the look back at = recall ~ century. photographs. Ladies and gentlemen, welcome to “Looking 5 Back at the Twentieth Century." /The 20th century was an age of great pregress in science and communications. People's lives became richer and more comfortable. People achieved greater freedom 10 and equality, and seemed to be closer to the dream of living a happy life. But it was also an age of terrible wars, and G-2 tens of millions of ~ tens of millions of people lost their lives. The photos =a great many ~ here will show you what people like you and me 15 went through in the 20th century. As you look at G-1 them, ask yourself: “How would you feel if these O cannot rememi were photos of your own family and friends ?” Some -ondemned to rg George Su will shock you; some may make you sad or angry. But they will also give you a message for our future. Ago |20 Before you look at the exhibition, I would like to show you twophotographs which are particularly TF important to us. fotod freedom [fri:dan entrance [éntrans] progress [prágras] achieve [atfi:v] terrible [térabl] particularly [partikjalarli] exhibition (èksibifan] equality [ikwálati] 15. go through Many people went through hard times during the war. G-2 She told me how she had solved the problem. G-1 Ifihad a lot of money, I could buy that sports car. Q-1 What were the good points of the 20h century? What were the bad points? e? 113

答えを教えてください 至急です

) Father was, he had no intention of waiting for two hours. STIC ERAS ON. 376~3 学習日 スクランブル 英文法 語法 Basic 【3rd Editionl pp. 158~165(問籍 年 ;14-2 月 口ロ11 接続詞2 の別冊解者o.。 第 )にふさわしいものを1つ選べ。 STEP STEP 基礎 問題 選択肢のなかから( 2 ロロ 1 He was so disgusted ( O that ) he refused to talk. 3 which の such (東京国際大 ロロ 2 as ) ten years since the two companies merged. 2 has passed ロロ 2 It( O has been O passed (青山学院大 3 is passed ) the bride and groom 3 The musicians started playing a song( arrived. ロ 3 as soon as 1 soon (2 sooner (立正大) の as soon 5) soon as 4 Finish your homework so that you ( 2 may ) have free time later. の need O must 3 should (九州国際大 ) at home or at school, parents expected boys and girls to be good. 3 Whether 5( O During 2 Despite ④ Although (愛知大) )as I know, the game will be played as scheduled. 3 So far ロロ 6( D As long 2 To say の As well (明治大) □□ 7 The ( ) he came in, everyone stood up. 2 instantly 1 soon 3 moment (東邦大) 口■ 8 You should write down Mary's telephone number ( ) she is late for the appointment. O as long as 3 in order that (2 even if の in case (東邦大) ロロ 9 It was not ( )a week later that I found out the result. 2 for O before ③ since ④ until (大阪経済大) 口口 10 Patient ( O since 2 if 3 as の because (千葉工業大) 40 第14-2章 接続詞の

英語です！(第2弾) 1問でもいいので教えてくれると嬉しいです！ なんもわからんのです(泣けてきた) 助けてくれる方募集！！ お願いしますうううあううぅあああぅ！←？ m(*_ _)m( _ _)"ペコ

!そもJき管動tinU ! 913 ●ヒント 0 次の英文を日本語にしなさい。こ や ませe (でま T main「主な, 主要な」 Take ouf your eraser. 番英お 、若響ヶ本日赤和意 The is between the gate and the pool. gym V193 DTatetoa bioodlaold 19tepof Here's the main entrance. 999we Wollo) へ ) beaeeigm vbit 次の問いにあなた自身の立場で, 2語以上の英文で答えなさい。 間部 の こさ対の- 金I study で始めても よい。 Where do you study? ラ き |ミスに注意 When is your birthday? 誕生日を答えるとき 古さ天誉お受望日代帯さを音楽>感き量りにはonは使わない。 biooco月の名前 1月(January 2月 February 3月 March 4月、April D-i1-9 5月 May Tod@ When do you usually take a bath? v-ed beaa91q-mi 1② 次の日本語を英文にしなさい。 本エ6月 June 7月 July 8月 August 9月 September 10月 October こちさ格囲ケ〇き号 る異を音楽の暗TO日月(November 12月 December ● あなたはどこでピアノを練習しますか。 一私は音楽室で練習します。 Joorloa edt donul ertt 9onDine ent あなたはいつバスケットボールを練習しますか。 払は月曜日と金曜日の放課後に練習します。すき ()e文の京 S gete uoy ( rlotpW 2 午前中は家にいなさい。 91eri 2eorla UOY @「ピアノを演奏する」 は play the piano。 19VO no ) loorrse uo the を忘れないよう にする。 合 私たちの学校内では写真を撮ってはいけません。 t0 1OVo )) の「~を練習をする」は no ののカフェテリアで昼食を食べましょう。m00ieaplo ertt ni riomui ( practice。 O「写真を撮る」はtake OViee の ④ bLaojice a picture。 VDd tnob ! o Do Apn pane a coubnjets 9no の airt の へ総し いもは

赤い枠の単語を必要があれば品詞を変えて埋めるのですが、よく分からないので教えてください。

Vocabulary Practice A. Completion. Complete the paragraphs below using the correct form of the words in the box. One word is extra. hazardous discard pile substance notify infrastructure Reuse and recycle: these well-known ideas for dealing with trash are being employed to handle e-waste such as old computers, cell phones, and televisions. Many companies send used electronic items from the United States and the European Union to developing nations. They claim to be recycling, and also helping the developing world modernize its Customers shop for used televisions at a secondhand electronics market in Lagos, Nigeria. - However, the reality may be quite different. The Basel Action Network of Seattle, Washington, recently reported that three-quarters of the supposedly reusable electronics shipped to Lagos, Nigeria, are in fact broken. Consequently, 2.. roads. Often it's picked apart by the desperately poor, who come in contact with toxic 4. 5. Richard Guttierez of the Basel Action Nerwork believes companies in developed nations pay lip service' to recycling while actually disposing of their e-waste as cheaply as possible, leaving the developing world to deal with the problems it causes. of e-waste end up being 3.. - along rivers and -Such as lead-in the broken equipment. Lead is known to be especially to the health of growing children.

お願いします

3. The content on the Aspero Designs Web site is protected by copyright law and may not be reproduced - the company's written consent. 1. behind 2. without 3. except 4. before 4. Dr. Hemana and Dr. Wareham, the joint recipients of the Cobalt Research Prize, have known since they were university students in Auckland. 1. other one 2. another one 3. any other 4. each other 5. This afternoon's flights to Barcelona, London, and Rome have all been delayed inclement weather in the destination cities. 1.. as for 2. due to 3. now that 4. only if 6. Patrons who arrive at the theater the show has begun will not be seated until the intermission. 3. along 1. wherever 2. into 4. after 7. The new-product development meeting will be held either in Room 402 in Room 501. 1.. or 2. and 3. not 4. but 8. Printer cartridges can be found in the supply cabinet the file folders. 1.. at 2. from 3. with 4. along 9. Mr. Wong will travel to the management seminar in Singapore on 1.. he 2. himself 3. him 4. his own 10. Market researchers reported that customers were most impressed the Vestra Coffeemaker's delayed-start function. 1.. by 2. beyond 3. for 4. since After December 13 customers will be asked to place their orders online use the mail-order form. 1. So as 2. in case 3. rather than 4. provided that 12. its main competitor, the ergonomic chair offered by Well Designs is lightweight and comes in a variety of colors. 1. In contrast to 2. By way of 3. Instead of 4. So as