(3)でなぜ1-k² ＝1と≠1で場合分けするのか、kの範囲に-1＜k＜1があるのかを教えてください。

/275kは定数とする。 次の曲線と直線の共有点の個数を調べよ。 *(1) 4x2-9y2=36,x+y=k x2-y2=2,y=kx+2 (2) y'=-4x,y=2x+k D

(3)はなぜ第3文型になるのですか？ 教えてください！

(2) Please find me a good job. 第 0 0 (3) I found that I was wrong. 第〔4型(abso (4) We found it easy. Ond 第〔5〕文型

なぜXが0の時10C 3になるんですか？ 教えてください！お願いします。

トランプのハート13枚を裏返しにしてよく混ぜてから、まずAが3枚引き, 引いたカードはもとにもどさずに続けてBが1枚引くとき,A,Bが引い た絵札の枚数をそれぞれX,Yとする。 XとYの同時分布を求めよ。

この解答であっているのかそしてなぜほかの答えではだめなのか教えて頂きたいです。

Part 5 Daily Life Incomplete Sentences Select the best answer to complete the sentence. Then choose the letter (A), (B), (C), or (D). 1. All participants have to arrive ten minutes before ------- scheduled appointments. (A) they (B) their (C) them (D) themselves 2. At the book reading workshop, authors read books ------- to children. Text Completion Select the best answer to complete the text. Then choose the letter (A), (B), (C), or (D). Questions 9-12 refer to the following notice. Security Notice by Artist Request The use of cellphones, cameras, smart watches or recording devices will not be permitted during tonight's performance. Guests are encouraged to leave these items in their home or vehicle to entry. Failure to comply with this ------ your 11. 9. policy will result in ---- from the venue without a refund. We greatly. 10. (A) fully (B) aloud 3. We are pleased to (A) welcoming (C) noisy (D) over ------- a new exchange student from Canada. (B) welcome (C) welcomed (D) welcomes 4. Use this robot vacuum cleaner after reading the ------- carefully.A.2 (A) systems 5. The order can -------- (A) ships (B) policies anywhere in the world. (B) to ship (C) applications (C) be shipping (D) be shipped 6. Steven began a bakery more than 20 years ------- (A) last (B) ago (C) past cooperation in creating a phone-free viewing experience. ------ 12. Thank you for your understanding. Central Theater directions A 9. (A) once (B) when (C) advance (D) prior (D) before 10. (A) remove 11. (A) anticipate (B) removing (C) removal (D) removed (B) acknowledge (C) acquire (D) appreciate 12. (A (D) automate Further details about this policy can be found on our website. (B) Come celebrate our 25th anniversary this Saturday from 5:00 P.M. (C) For information on group rates and private events, check online. (D) Check for details to see if you qualify for exclusion to this rule. 7. The air conditioner we bought was designed to turn off -------. (A) automatic (B) automatically (C) automated 8. The Momo Store also has small items you can ------- as souvenirs. (A) replace (B) borrow purchase (D) sell

この問題全ての解答教えて欲しいです！丸付いてるのは気にしないでください！

Let's Try! Part 5 空所に当てはまる選択肢を選びましょう。 1. We CheckLink ------- that gold is a sounder investment than stock or bonds due to the current currency crisis. (A) require (B) deliver (C) believe (D) press 2. Pacifico Company's new business plan looks like it will have a their revenue. (A) retiring (B) relative (C) collaborative (D) positive influence on 3. The noise of the construction in the warehouse was so loud that the client had to ------- himself three times before he could be heard. (A) recall (B) repeat (C) write (D) register tuo 4. The job which we had asked the technician to do was not done to our total -- (A) satisfaction (B) restoration (C) feedback (D) reference ------- to do in one operation. 5. The medical procedure used by the surgical team is too (A) sufficient (B) real (C) perfect (D) complex 6. It is imperative that the ------- be delivered before our client arrives at the office around noon. Too (A) package (B) manufacturer (C) mailman (D) currency aldesing (A) 7. The newly hired employee seems (A) previously (B) expensively capable of meeting our work expectations. (C) entirely (D) contrastively 8. The scientist's theory has been thoroughly tested and ------- to be reliable by many independent laboratories. (A) studied (B) proven (C) dedicated (D) combined (8) Frogs (A) aften med and

agree with agree to agree on の違いは、何でしょうか？

なぜ　 as the policemen did ではなく as did the policemenなんですか？

B your pocket but have vastly more computing power. (4) When my father suddenly disappeared my mother tried to reassure 答えた me, as did the policeman who came to the door every day. S 安心させ and so

答え合っていますでしょうか、、😭

1 英文中の空所に入る適切な語または語句を選択肢から選びなさい。 1. If George ( 1 will have 2 would have Sino 主節の動詞が助動カコ+原形 )a degree from that university, he would get a good job. ③ has ⇒if節セ ④ had 〈上智大 > 大学の学位をとれば、いいしごとにつけるだろう 13

The man (lost) his job in 2011, and he has been looking for a job since then.この（）の部分ですがなぜhad lostではだめなのでしょうか？

写真の問題(2)の解答の計算過程を詳しく教えてくださいm(_ _)m 2枚目が解答です

167 次の3点 A, B, C を通る円の方程式を求めよ。 (1) A(-1,2), B(4, 2), C(1,0) (2) A(1, 1), B(5, -1), C(-3, -7) (3)A(2,0),B(1, -1), C(3,3)