1番と7番の訳おねがいします。

①() 1. Not 内に入る最も適切な語句を, ①~④のうちから一つ選びなさい。 ) attention, Janet picked up the wrong day. 1 to pay 2 pay 2. Several accidents happened, holidays.sr 1 have caused 2 causing B 前 38 3. ( her homework, she went to bed. 1 After finish 2 After finished 1 having been judged 3 judged Lesson 12 6. (2) cold, she turned the heater on. 1 To feel 2 Feeling 3 paying 4 paid a lot of delays for the tourists who had come for the [ 神奈川大〕 3 caused being that they are 3 being what they are 3 Finished 4 Having finished 4. I would say () from the current symptom she has, the lady may have cancer in her large intestine. Juding from [杏林大〕 から断すると 2 having been judging 4 judging 5. ()) raining the day before yesterday, the hike was postponed. 3** (*) Has it started 2 Having it started 3 It having started 4 It started 15111 さかったので 3 Felt (4) causes [ 青山学院大 〕 vara 2 are that they are 201-07 [神奈川工科大〕 4 Feel 7. This is certainly not the best way to solve the problem, but the circumstances (), I don't 3 see another choice. 主節の国と分撤の森大かつ 4 are what they are [岩手医科大〕

（2）です。なぜt=1の時のことを初めに確認するのですか、t=❔でもなんでもいいのですか？

77 (1)3点A(2,1), B(-4, 4), C(t+1,3t+5) が一直線上にあるように、 定数t の値を定めよ. (2) 異なる3点A(1, -3),B(t, t-3), C (t +2, 2t-1) が一直線上にあるように, 定 数tの値を定めよ. (1) 2点A(2,1), B(-4,4)を通る直線の方程式は, 4-1 y-1=-4-2 (x-2) より x+2y-4=0 点C(t + 1,3t +5) がこの直線上にあれば, 3点は一 直線上にあるから, (t+1)+ 2(3t+5)-4=0 より 7t+7=0 よって、 t=-1 別解 直線 AB と直線AC が一致するときを考える. 25) 直線AB の傾きは, 1 4-1 -4-2 2 直線AC の傾きは, (3t+5)-1 3t+4 (t+1)-2 t-1 第3章 図形と方程式 127Step Up (t-3)-(-3) t-1 1 3t+4 より、 Net よって, 2 t-1 (2) t=1のとき, 3点A (1,-3), B(1,-2), C(31) は 一直線上にない. t=1のとき 2点A(1,-3),B(t, t-3) を通る直線 の方程式は, y-(-3)= t=-1 (x-1) CS より y +3=7—(x-1) 点C(t +2,2t-1) がこの直線上にあれば, 3点は一 直線上にあるから, t=-1のとき, C (0, 2) YA 3,0 = (0*x++)$=(1+- 1-28T B4 (8) 2 O C (+-(8-—-) 1-6-E] A-4 ME 200 練習 + (8 + x5 直線ABと直線AC は傾きが 等しく,ともに A (2, 1) を通 る直線となる. ABの傾きと一致すると きを求めるので, t+1=2の 場合だけ考えればよい. 2t-1+3=(t+2-1)+(1-4-2) 7-9 _2(t+1)(t-1)=t(t+1) t=-1 のとき, AとCは一致する. よって, tキー1だから, 2t-2=t よって t=2 2点B,Cのx座標は異なる ので,直線BC の方程式を求 めて,点Aがこの直線上の 点であることからtの値を求 めてもい t=-1 より,両辺をt+1 で 割る. 3

一枚目　長文 二枚目　問題 三枚目　答え Q:なぜこの答えになるのかとその理由まで教えていただきたいです。 よろしくお願い致します‼︎

INDUSTRY, INNOVATION AND INFRASTRUCTURE Reading 速読問題 次の英文を2.5分で読んで, 1. の問いに答えなさい。 Smartphones, tablets, and laptops are getting *thinner and lighter than ever before. However, in the future, you might not need to carry any gadgets around with you. If designers have their way, you may just need to wear a pair of "virtual goggles" instead. (2)Scientists are testing "prototypes at the moment, (3 though it may be some 5 time before they're actually on store shelves, These goggles will act like a computer screen and display information and gnibso biqef entertainment from the Internet. So, (5 when you are sightseeing, you'll be able to see 目標 20分 information about a famous building in front of you. Or you'll be able to get a *review vud of vere eis istil zanorghome to a of the restaurant menu you're looking at. The goggles will have GPS, so you'll be able nglasbah bus siquie 10 to *stream directions to a party or *locate a nearby coffee shop. They will also have a Writing bium phlyn Jeol/ have that built in, too. alidoM A camera to take photos, and you won't need a cell phone anymore. The goggles will 000.887 0 19 CAN DO (mm 7 juoda) bhow art al zomidd ¹thin [Oín] 4 prototype [próutoutàip]: , 10 stream [strí:m]:･･･を同時再生する 10 locate [lóukeit] : ... を突き止める, 探し出す yud uoy bluow lebam ribirlw.enoriqhome queria s to Isbom Jesisleri yud of raw way 1a-8 @ 2 gadget [gædzit] : *, ** 3 have one's way : 思い通りにする 8 review [rivjú:]: , olidol (159 words) (-) TAT 11-80 ya way to our worl, ritnom airt 14-8 yud boy t 000,08% 000,89% 000,TS / 1. この英文のター a. Future S b. Gadgets c. Prototy d. Virtual 読問題もう 2. 下線部(1) は! 3. 文法 下線 chなるように uh Scientists 4. 下線部(3)の toya. もっと c. ...にも 5. 下線部 (4) 1. for = 6. 下線部 (5) ますか。 7. 全体把握 (7) Sma befo (1) "Vi (3) "Vi (1) "Vi (*) If

整数の性質の質問です。この問題の(2)の解答の部分です。なぜ、ア、イ、ウのような場合分けをするのか分かりません。解説をお願いします。

例題241 倍数であることの証明 nが整数であるとき,次のことを証明せよ。 (1) は6の倍数である。 DONEtey [出] ★★ (2) 2n+3n²+nは6の倍数である。

合ってるか教えて欲しいです！

③ 【電子顕微現で細胞 (8) 動物細胞 名称 細胞膜 細胞質基質 核 核小体 滑面小胞体 粗面小胞体 リボソーム ゴルジ体 ミトコンドリア 葉緑体 液胞 細胞壁 中心体 リソソーム 9 動物のみ が持つ O. - 12 - 植物のみ が持つ O 植物細胞 9 2 一重膜 構造 O e O 二重膜 構造 ○ O O 10 電子顕微鏡 必須 O

4番のwhomeverを使いたかったら、wants itを無くして You should give this CD to whomever. にしたら成り立ちますか？

FIT& betseteb aswed RE 88 >1 (A) (A riw) & Section 076 1355RRROS You should give this CD to ( ) wants it. LA 90 netto er er VEIS VERY 2 whom 251 1 who 4 whomever (3) whoever

上の問題は①が答えなのですがなぜ④ではないのですか？ また同様に下の問題も②が答えなのですがなぜ③がダメなのですか？

1473 1474 8X8 発展 1x24-VETK Don't blame me for what happened. 1 fault (2) defect 6)1 vdivids ト (3) error 4 mistake)] nobos © It's a ( (1) harm 3 sorrow sas norba It wasn't my ( ). TESPINS MAFU ♬ NET sel COMES)] vividos your wife couldn't come. I really wanted to meet her. 001 seebivitos CHEF re than 100. 2 shame 4 trouble - 〈センター

英語分からないので教えてください🙇‍♀️ お願いします🙇‍♀️

長文問題 1 決めるのは君だ! What is the best way to improve your English? ( A ) is no In fact, people have different opinions about this. Some people say, "Increase your vocabulary easy answer to this question. by memorizing lots of words." Other people say, “X単に文法と翻訳だ けを勉強しなさい。” 2 What do you do to improve your English? Do you (1 English songs? Do you (r you (w a diary in English. 3 If you want to improve your English, you have to communicate in English. Studying vocabulary and grammar, reading and listening to English material, and writing in English are all very important. At the same time, you need to realize that (2) doing these will not automatically make a good communicator of English. If you want to be able to communicate in English well, you have to experience actual live conversations. 2 1 Unit ) to ) novels or magazines in English? Maybe English videos on the internet or even ( k ) Target ① be 動詞・一般動詞 ② 進行形・命令文 ③比較 improve 上達させる in fact 実際に increase 増やす vocabulary grammar and translation 文法と翻訳 material at the same time でもやはり actual live conversation 現実のなまの会話 4 Y あなたは今, 尋ねていますか, “What does it mean to have actual live conversations?" This means that you need to take every opportunity to speak English. (3) Don't say, "I don't have any opportunities to speak English." You live in a world with endless possibilities. 5 (B) are so many tourists from all around the world in Japan now. Also, people from other countries live in Japan. When you see them, why not strike up a conversation? (4) When you don't know where they are from, you can use English. ZEALADAT. They will be happy to speak with you. 6 The internet has opened up the world to you as well. With e-mail and social media, you can get in touch with people all over the world. Guess what language comes in handy? That's right! It's (5) ). 7 You can always speak with your English teachers at school. (6)Speak with them in English not only during class time but also during other times of the day. You may have other friends who want to practice English like you. Create an English conversation club. Maybe an English teacher will help you. opportunity endless 無限の strike up 始める social media ソーシャルメディア get in touch with ~ ~と連絡をとる come in handy 役に立つ

X^2＋Y^2＝r^4 を　x^2＋y^2＝(r^2)^2 にする計算過程を教えて欲しいです。 (r ^2)^2にしなくてもいいですか？

100 基本例題 62 媒介変数の利用 (軌跡) 00000 一 定円 x2+y2=r2 の周上を点P(x,y) が動くとき, 座標が(x-y2, 2xy) で ある点Qはどんな曲線上を動くか。 p.94 基本事項 2. 基本 6C W TO SOLUT! CHART OLUTION 媒介変数の利用 #RORS30 3= 2次曲線上の点は媒介変数表示が有効 HAMSTIPAL a 円の媒介変数表示 x =rcose, y = rsine を利用する。 点Qの座標 (X,Y) も0で表してから, 媒介変数0を消去して X, Y の関係式を 導く。 lepa 解答 ①x2+y2=2 から x=rcose, y=rsin0 (0≦0<2π) と表さ|円の媒介変数表示。 れる。 Qの座標を(X,Y) とすると X=x²-y²=r²(cos²0—sin²0) = - JUSS =r² cos 20 edit I=(1+ Y=2xy=2rcos 0·rsing) ** [=³(+1 =r2sin20 -X=0 cos A, よって X2+Y2=r*(cos220+ sin²20)=r, 0≦20<4π ゆえに,点Qは円x2+y2 = (r-2)2の周上を動く。 別解 Qの座標を(X,Y) とすると X=x2-y2, Y=2xy X2+Y2=(x2-y2)2+(2xy)²=x+2xy+y^ =(x2+y2)2=(n2)2 ²4 net 30 よって,点Qは円x2+y2=(m2) 2 の周上を動く。 - 1+1 Y=□sin △の形→ sin²+ cos²^=10) } (-x) x-50185 1+x $64 17x 所用。

律令 、律令国家 についてがよくわかりません 律令国家、律令を教えてくださいm(_ _)m