この問題の解き方と解答教えてください。

2/17 カ学 1 SETTEMBER, OSEPT (1) RAOUNDARIETAR COVE にマークのよ。 GUNDA (2) ARYSTOTELI-LOTRO CADIA 3 N 68. CONEN- CONUERANEO [D]e 834 TH 2 1-6. PANGU. ACP. PRECISA COME A-02.CommITAGRO-TE NETGES NYELT. ICFO (1)-(3) COLL (税込町) 203 (取外曲) DOM 054 VEST [A1-14 -2. 345 WAD DOON 300m 2 T. LABEL (6. MI) 0.285, co . . . . 1785. 1 BOLMAYAG -PERF W36-76 ST.00662. EME[AST 4240 *A J CORATOR [014 れた代入すると 100 242 ELT. WALA. [c]. GOVER WAL 010 @ -13- 8212 17640 8:30 CMOA そのといわれる。 FOR RASAFTENENGO [Al-til KƏLƏRDƏNA, (UN PAR), CORVER[A]-[1 2. 4-4-2 (neste cas 【マーク。 PLEMEN [A] STAG. UNFORALTE-Ac ( れている) chaiset. (6. MWIY) 1 SECCORT GRE (税抜) 2016-) UTA, RECOUD. PAG. D. DIELB, INTER ダイン (+2 TEMA:CTURER *W ただしである。 BE のボルト CARTONS ステップ M BET !!! 101 ※W -2x) SERTAL, torr sat FOR KANGAT+TEN@HEMENDANTAS, [A] [12 4-18 用する CACA 2 DEC -1 SORRYMON CORPORATORLG MARISORS (1)-(3) BALLFORESTEZIS (3) MIREAST-N OLTELLO F Nego, co [C】マーク 4 3. 機械力学 75 (2)モード OMDA (1) [cly- TOMT (1) CM2. AEL. 020-FERROOMYS and (ORTOGRAPHIEDERFLOOFINIR FRÐ (RGE PA DE 0920 ON[1](29-242 mal しおりとつ 26-1522 RX-7250 600 CONUENTINO [A]-HL #-0311 (7. 工業材料) 1-14). GROB (1)-(3) GRAL, 58, NR. ORESTERIS (1) [8] -742 SFD KMD boxer FRATELELOT 7+124-365 152 Poes AND D 2012 の中から選び CADA 3. 機械力学 つように RESCO FUNERALTONLYVS, #FOUR (1) (1) WARDOOR-AURT, KOURITES WER-CAFEZO マークが 1 (2) DECEMBLANTATEESSAK F (3) WATC. FASO BUR END (5) Dボルト1本あたりに生ずるせを下記から一つ選び、 TOD (7. 工業材料 and *** [4]-[1] (6) から一つ選び、その 0427 ISL CARRO 86. 2009 OMER oncem: »6. [4] » save av TENTION! 160L AND 101 (1 2Wink TEMPIZZA CATED, ACEASE -11- [F] [H]ND 240 W 3627 28-(4+0) ISL 10-30 10 「60LD BARRO BARRA REEN (3)OL.C012430-50TLOS [+] n. Sea totLT. [H] Ye 作である。 anD 300 anD 1300 CADIA SENOPTI よりも少ない 077BSZAMOGIA, ŠMANTENYOSHAT. [1] (3) つったになるための その番号をCにマークせよ。 (東八番) 28-(a+b) WR "Dr (and) 5. 工学 エンジンして EAT EGINTURASSIN, BLEON, RICH MIT ただし、 R-(a+b) S. UZGUBIC [D] U ENCURSU CANG RAL 4010 W∙r-(a+b) 28- サイは、 サイクルこわれる。 GREL KALELECTIE COM[8] CAST BRING ELT. ROLUNAPE I URONICASTL= [C] LTHOR(E6264/160G. C 3. LİCEN にした仕事 (248) YAL フェライト [1 ranns Xよりもされた <-12- 201² PRISE 800-t 900-1/1 価格 BRANS 2つしたものであ 28-(a+b) ②マルテンサイト よりも少ない るときに、[1]する。また､ よりも多いときに、 マークせよ。 ただし、使用は不可である。 SHBA, CATER 9, 20 不 にしたりに DVN montage, toge[A]-[11 【C】がれるが､一般にはこの 【C】 または ID という。また、こい、これより大きな 【 @ WO セメンタイト TO しなくても、ひず は現れないことが多い [H] USTOLLE. BTOOFS (0,2%) [G] n. すなわち なお にあたっては、さらに しなければならない。

1枚目の写真の（２）で、自分は2枚目のように解こうとしたところ、全く違う答えになりました。 　両辺を二乗すると、わかりやすくなると思ってしました。 　　 両辺を二乗できないのはなぜでしょうか。おしえてください。

102 第1章 複素数平面 Check 例題 41 の表す点Q(w) はどのような図形を描くか. (1) z=1+i 舞合 (2) (1−i)z+(1+i)z=4 (3) |-1|=1 「考え方 等式の表す図形(3) =(1+y)+5. 複素数平面上で点P(z) が次の等式を満たしているとき,複素数w=- 2 中 078 (1) z を w=- 1 に代入する. 2 (2),(3) 例題 40 の考え方 (ii) を利用する. (1) z = 1+i を w= ると, 1 w= 1-i 2 (2) w=- 点 を描く. 1-i 2 よって, 点Q(w) は, より, 1 1-i 1+i (1+i)(1-i) 2 え w ① を (1−i)z+(1+i) z = 4 に代入すると, (1—i). 1 + (1+i). ( w w- w- に代入す <-6/10_1+i 1-i- ww- 4 1+i したがって w=0, w=0 より,両辺にww を掛けて (1-i)w+(1+i)w=4ww , JAMEO & O w- 2= •••••• ① (ただし, w≠0) 4 1- 4 - ¹ + i)(w _ ¹ + i) = { 4 4 8 w w +1)(27) -4 より 南平 w (1-1)+(1+i)=-=4>PG (or) & 0 -w=0 - 1 - i)(₁ - ¹ - i) = ²/1/2 w w- 4 8 2016-1212 4 8 8 |w-1-1-√√T= √2 4 Ts 1-i 1+ wO0 1-ż1+i 4 4 43 20 1+i -1-i 1-i 4 2 分母の実数化 11/123 2 *** - ≠0 より, w=0 -=01 (SER |_ga=|a|

（2）がわかりません。解き方を教えてください。

準 123.〈炭酸ナトリウムの二段中和〉 溶液Aには, 炭酸水素ナトリウム, 炭酸ナトリウム, 水酸化ナトリウムのいずれか1 つ, あるいは2つが含まれている。 溶液Aに含まれている物質の種類と濃度を知るために,次の実験を行った。

自分の回答があっているか不安なので、４第答えて頂きたいです。 自分の回答はこちらには見にくくなってしまうため書いていません。

Working with words 1 Complete the review of a hotel. Use the answers to complete the puzzle and find the European city where the hotel is located. HOTEL REVIEWS This first-class hotel and conference centre welcomes guests from all over the world. Its 1 facilities are second to none. There are 300 en-suite rooms and five apartment suites. For business guests, it has ten meetings rooms, two of which are big enough to be used as halls. 2 The hotel can also organize events such as guided 3 around the town centre for conference 4 and hotel guests who enjoy a bit of 5 For food-lovers, the four-star restaurant serves regional 6 every evening. All in all, this is a top-class for business and for pleasure. 7 6 1 A fa 0 il i t 1 e S 2 Replace the words in italics (1-8) with the phrases from the list. Add a pronoun if necessary. you hotel? look around meet up with show someone around 3 freshen up eat out pick someone up check in drop someone off Pedro It's difficult to park here. Can I stop and leave drop you off in front of the 1 Sabrina Sure, I'll register 2 and then I'd like to have a wash, and change my clothes 3 Pedro If you like, tonight I can give you a tour of 4 the old city. We could by eat in a restaurant 5 the port. Sabrina That sounds great! I'd rather walk about and See 6 the city than stay in my hotel room. Pedro I'll collect you 7 8 8.30 p.m. We'll see Alberto and Maite in the main square. at Business communication 1 Put the words in the correct order to make expressions. 1 meet person / it's / nice / to / you / in It's nice to meet you in person 2 have / did / finding / you/ any / trouble / us? 3 worry / signing / don't / about / in 4 through / programme / I'll / run / today's 5 this my / come / way / to / office 6 need building / you'll / this / enter / badge/ the / to 7 reception / sure / make / in / at / you / sign 2 Raymond Roberts has an appointment with Janet Rose. He has just arrived at HBG premises. Complete their conversation with the phrases from the list. let me take your bag can I get you a drink Welcome to HBG publishing I thought you could catch up again how was your journey You'll need this Make sure you 1 Raymond Good morning, I'm here to see Janet Rose. Janet Hello, I'm Janet. ¹ Welcome to HBG publishing. Raymond It's nice to meet you in person. Janet Likewise. So, 2 Raymond Well, there were traffic jams on the motorway and I got a little bit lost in the industrial park. Janet Don't worry. That happens to everyone. Anyway, 3 - I'll store it in my office. Raymond I'll hang on to it if you don't mind. It's got all my stuff in it. Janet Well, if you change your mind just tell me. And 4 Raymond Thanks. I'll have a cup of tea, please. Janet Sure, I'll just get that for you in a second. First of all, I'll run through the schedule. 5 start by meeting Karen Rankin this morning and then we'll 6 at lunchtime. Raymond OK. And will I see Malcolm Briscoe? Janet Yes, in fact he's joining us for lunch. One other thing. security pass. at all times. 7 It's your 8 wear it

この問題で、写真のようにｙ軸をとっても答えを導けますか？ なかなか答えにたどり着けないので教えてください。 ちなみに答えは2a³/3 です。

※【A2】 底面の半径が αで高さもαである直円柱がある。 この底面の直径 AB を含み底面と45°の傾きをなす平面 で,直円柱を2つの立体に分けるとき, 小さい方の立体 の体積を求めよ。 iy A Jza. B ay

答えと、なぜその答えになるのか教えてほしいです。 分かる所だけでも構いません。 よろしくおねがいします。

I/I 1. My sister ( 2. I don't like ( 1 other 2 either 3. He expected to get a lot of votes but ended up with relatively ( 1 few (2) little 3 many 4 much ( 4. He said ( ) a single word of apology. 4 not (B) 1 no 2 none 3 nor "Am I bothering you?" "No, not in the ( 5. )." (1) better 2 less 3 best 4 least (INA) 6. ) see other ) see each other anymore. each Since we live very far apart now, we ( apart now, we ( 1 daily 2 rarely 3 usually 4 always (IA) 7. We canceled the party because ( ) of the people we invited could come. anybody 8. She has ( ) studies, but she always gets good grades. 4 always (EX) 1 hard 2 hardly 3 nearly ) of two pictures. 3 neither 4 another (FMX) ). (2) none 3 nobody 4 anyone UEA) ) friends at her new school. 1 few 2 few of 3 a lot 4 much (MX)

明日、発表するので答えが合っているか確かめたいので答えだけお願いします。

LESSON 4 不定詞 大) MCHECK 25 次の( )から適当なものを選びなさい。 APlease remember ( to lock/locking/lock) the door when you leave for sch00 My mother told us ( not/not to/to not ) touch her computer. 入試頻出問題の確認 le Of's careless ( of/for/ to) you to make such a mistake. OLet me (know/known/to know) if you need any help. GL found it easy ( learn/to learn/learned ) how to operate the machine. A She seems to ( be/is/have been ) a good tennis plaver when she was a hign school student. remember -目的語に不定詞をとる場合 → remember は目的語に不定詞が来る場合,「~すること を覚えている」の意味になる。動名詞が目的語に来る場合は「~したことを覚えている」という意味になる。 の<tell+0+to do) -「O に~するように言う」という意味. この形をとる動詞は他に ask, advise. allow. want などがある。また不定詞を否定する場合は, not to の語順になる。 9 (t is+形容詞+of 人+to 不定詞~)「(人)が~するとは…だ」という意味の構文、 形名容詞に careless「不注意な」,kind「親切な」, foolish「おろかな」など、人の性質を表すものがくる場合,意 味上の主語を〈of+人)で表す。f. <It is+形容詞+for 人+to不定詞~) 9 〈使役動詞+O+原形不定詞〉> -→ let は「 O に~させる」という〈許可)の意味を表す。使役動詞には他に make, have がある. ⑤ 形式目的語の it→ it は to~の内容を表す. find it to ~は「~するのは…だと思う[わかる]」 Tobro ni D cf. It is easy to learn ~ (Itは形式主語) C「地 Tの文 6 (to have+過去分詞》 to 以下の内容が,述語動詞(ここでは seems)よりも前の出来事を表す。「~ だったように見える」という意味 2 not to 3 of O know 6 to learn 6 have been 【答】 to lock 000円 Iugn eun bo slpt A次の各文の空所に入る最も適当なものを1つずつ選びなさい。 minobibooa ) his son to the zoo on Sunday. 1. The father promised ( 2 took to take dool (立正大改) ③ have taken D taking ) in the concert. 2. We all saw him( の to sing 文od e0x(東海大) 3 sings ② sing O was singing ) you to think again before you decide. 3 worship (駒滞大) の introduce 2 compare D advise

大学での宿題です。 誰か代わりに解いて下さい😭〜

Exercise 2.3 For or Since? Complete the sentences about successful people. Circle for or since. 1. Blake Mycoskie has started five businesses(since/ for he graduated from college. 2. Bill Gates has worked part-time for Microsoft and part-time for the Bill and Melinda Gates Foundation since / for the past several years. 3. Bill Gates has given over $28 billion to charity since/ for 2007.. 4. Oprah Winfrey has helped poor people since / for many years. 5. Since / For the last several years, the actor George Clooney has spent a great deal of time trying to help end the conflict in Darfur, Sudan.

不定詞と動名詞です。教えてください。

不定詞と一 動名 詞 UATE: Infinitives and Gerunds 。The doctor has advised me not to eat eggs anymore, so I've stopped Power Frame> Grammar ( ) them. D to have bought 3 for buying STEP 04: 不定詞と動名詞 2 buying の to buy Frames for Tbis Chapter -この課のポイントを示す例題一 (南山大) 空所に入れるのに最も適切なものを選びなさい。 口 04 Have you finished ( )your essay? の to write 04 ② writing の to be writing 3 to have written (明治大) )a lawyer. の to become (九州国際大) I've decided ( I can't afford ( 口 05 O to buying FRAME 026 )a new car. 3 became O becoming 2 become 2 to buy mde 3 buy の bought (福岡大) I've finished ( ) the room, and I'm really hungry. What's fom FRAME 027 You had better avoid ( 2 to say 口06 ) anything to embarrass your parents. 3 saying dinner? O say の to have said (摂南大) 2 to clean O cleaning の being cleaned 口07 You ought to think about giving up ( ). It's bad for your health. 2 to smoke 3 cleaned (法政大) O smoking e ) the door before you leave. 3 closing FRAME 028 Remember ( 3 smoke ④ being smoking く芝浦工業大) O close 2 to close の you close ddoun y s ne (玉川大) )in Canada? 2 being working ④ working 口08 Have you ever considered ( ) English to communicate with the world. の to learn FRAME 029 I want you ( O to work 0 learn 2 learned 3 learning 3 to be worked 〈福井工業大) (甲南大) FRAME 030 Mary saw a police officer ( ) the room. 口09 After a lot of problems she ( ) to learn to drive a car. D enter 2 enters O gave upot ②managed 3 put off の succeeded(センター試験) 3 to enter の have entered く梅花女子短大) ■10 Iwill never forget ( had. ) Paris last year. It was the best holiday I've ever RAME 031 Don't ( ) the students enter this room. TSn O to visit 2 visit 3 visited ④ visiting (金沢工業大) O allow 2 let 3 permit ④ admi く十文字学園女子大) ) to impress the audience. 3makes 口11 This story never ( O sees 2 fails ④ becomes 〈関西学院大) ERCISE A >> 空所に入れるのに最も適切なものを選びなさい。 onaxa 口12 Please remember ( O having stopped 3 to stopping ) by his office before you go home. ② stop の to stop 01 I've decided ( ) here. I'm tired. 2 stayed (近畿大 O stay 3 staying の to stay (金沢工業大) journalist. )Manhattan on business as a young. ③ visit 2 Father promised ( ) his son to the zoo on Sunday. 口13 I remember ( の visited くいわき明星メ 2 visiting b b )an appointment before you go to see the dentist. の taking の to visit o wond faob。 Don't forget ( 2 took 3 to take ④ have taken shu nn (立正大) 口14 2 to be making O making (京都産業 ④ to make 3 to have been making 革文法完全演習パワーフレイ』

この問題の（2）の解き方を教えてください。

図1のように, ばね定数 kの軽いばねに質量 m の小さなおもりPをつなげ,天井からつるし て静止させた。このとき,おもりの床からの高 さはんであった。次の問いでは重力加速度の大 k m) P きさをgとせよ。 (1) 図1の状態で,ばねの自然の長さからの伸び を g, h, k, および, mのうち必要なものを 用いて表せ。 図2のように,このばねを Aだけ縮めて時刻 t=0 で静かにはなすと同時に, 質量 m のおも りQを鉛直上方に速さ v。で投げ上げた。する と時刻t=t, に, ばねにつながれたおもりPが初めてつりあいの位置にもどり,投げ 上げられたおもりQと同じ速さで正面衝突した。 (2) 衝突した時刻」を g, h, k, および, mのうち必要なものを用いて表せ。 (m) P h+A h to0 m) Q 図1 図2 のうち必要なものを用いて表せ。 1.イド M00000