数学A 集合と要素の個数 記述問題です。

問題 2.全体集合をひとし,その部分集合 A, B, C に対し, n (A) = 65, n (B) = 40, n (An B) = 14, n (CA) = 11, n (BUC) = 55, n (CUA) = 78, n (AUBUC) = 99 であるとき, n (A∩B∩C) を求めよ.

誰でも構いませんので教えて欲しいです。

(2) 次の英文が正しければ○、誤りがあれば×で答えなさい。 (各2点) 1 This cloth washes well and feels soft. 2 Let my sister and I go instead of you. 3 We wear thick clothes in winter. 4My son came back from London after six years' absence. 5 I was just going to leave when the car stopped in front of my house. 6 The news about the earthquake was reported in most newspapers. My brother told me to keep my room clean. 8 This one is the best of the two compositions. 9 Go home before it doesn't get dark. 10 In Paris everything is more expensive than in London.

答えを教えてください！ よかったら，根拠も教えてください

la vitbl Questions 4-7 refer to the following letter. January 10 Ms. Erin Murphy Customer Service Department Westcoast Airlines Major Miles Program 345 Brook Street Dallas, TX 75218 Dear Ms. Murphy, As per your request during our telephone conversation on January 8, I am sending you Los Angeles International Airport last December. Please note that my ticket was upgraded itinerary and ticket number for my recent roundtrip flight from JFK International Airport business class with a Major Miles Gold Class voucher and should therefore be eligible f full business class mileage credit. 62 Section Il over 15 years. I must confess that I find the new restrictions to your flight voucher pla I am a Gold member in the Major Miles program and have been a Westcoast customer 1 genuinely confusing. I fail to understand why the burden of proof for my mileage cred rests with me. Shouldn't this information be on your ticketing computer? This was my itinerary. MD My ticket number was #YB42565697. Departed JFK, December 22 at 10:20 for LAX Returned to JFK from LAX on December 29 at 16:40 My seat number was 14B. 7B My Major Miles number is # 04356721 (Gold Card). I sincerely hope that this issue will be resolved quickly as I am counting on my miles eame during this trip to upgrade my hotel room next May. Thank you very much for your attention in this matter. Sincerely Yours, Jarrod Watkins Jarrod Watkins 4. 5. 6. What does Ms. Murphy do? (A) She makes airline reservations. (B) She deals with unhappy customers. (C) She issues new tickets. (D) She upgrades people to business class. What is the purpose of this letter? (A) To upgrade his ticket to business class (B) To buy a flight upgrade coupon (C) To complain about his seat reservation (D) To receive more mileage credits How does Mr. Watkins feel about the new frequent flier program rules? (A) He would like them to be simpler. (B) He believes they are unfair. (C) He finds them to be convenient. (D) He hopes that they will benefit hold Card members more. Which of the following is NOT mentioned in the letter? (A) His ticket number (B) His frequent flier level (C) His credit card number (D) His flight information inq M:8 big en enthovenot cold w lar hud,mq 01X in jord is di Hal Unit 2: Letters, E-mails, & Text message chains 63

答えは3番です。解説お願いしたいです。

[NO.33] -30℃の氷100gを20℃の水にするために必要な熱量は何calか。 ただし、氷の比熱を0.5cal/gK、水の比熱を1.0cal/gK、 氷 の融解熱を80cal/gとする。 1.10000 〔cal] 2.11000 〔cal〕 3.11500 〔cal〕 4.12000 [cal〕 5.12500 [cal〕

この問題の解説を日本語でお願いします🙏

1. A particle of mass m moves in one-dimensional potential given by V(x) = Am cos(x) where λ, A > 0, with initial position xo and initial velocity vo. Draw a graph of the potential, and describe the motion of the particle in the following cases: TT a) x₁ = and v₁ = 0; 22 b) = = 0 and v0 = 0; 3πt 22 Xo c) Xo = - and vo= -2√A. - 2. A particle is dropped in the presence of Stokes drag Farag = -bv, where is the velocity of the particle and b> 0 is a constant. Write down the equation of motion in terms of , and show that the vertical component of the equation of motion is satisfied by: v₂(t) = mg 19 (exp(-)-1) b What is the terminal velocity of the particle? Is it possible to determine the terminal velocity without solving the equation of motion?

この問題の解説を日本語でお願いします🙏

1. A particle of mass m moves in one-dimensional potential given by V(x) = Am cos(x) where λ, A > 0, with initial position xo and initial velocity vo. Draw a graph of the potential, and describe the motion of the particle in the following cases: TT a) x₁ = and v₁ = 0; 22 b) = = 0 and v0 = 0; 3πt 22 Xo c) Xo = - and vo= -2√A. - 2. A particle is dropped in the presence of Stokes drag Farag = -bv, where is the velocity of the particle and b> 0 is a constant. Write down the equation of motion in terms of , and show that the vertical component of the equation of motion is satisfied by: v₂(t) = mg 19 (exp(-)-1) b What is the terminal velocity of the particle? Is it possible to determine the terminal velocity without solving the equation of motion?

文法的なミスを指摘してください。 文自体は変えたくないので文法ミスを箇条書きして頂けるとありがたいですm(_ _)m 読みにくい英作ですみません。

14:54 ◆ フォルダ all 72 Japanese students, most of them must start job hunting when they become juniors, should experience working part time while their first and second years. By working, they can meet people from various background, learn the kinds of skills they can't learn in classrooms, and note the difficulty and significance to be a worker in society. Such experiences, along with their studies, will help them decide what kind of occupation seek after graduation. Japanese college students should go to abroad and talk with foreigners in English. It will help them improve their ability to speak English. Recently, English is becoming more and more important, and they may have to use English in their works after graduation. Almost college students in Japan cannot speak English even after having studied it for a long time. That's because they should go to foreign countries and practice speaking English. ||

TOEICの名詞問題です。答えを教えて下さい🙇‍♀️

CD1-24 えを確認 ek (9) ) する (A) 問題】 のと ren W ies er Warming Up 日本語の意味に合うように、正しい選択肢を選びましょう。 1. a few ( a. worker b. workers) : 2. th a lot of (a. enjoy b. enjoyment) 3. 1 an (a. active b. activity) 4. tu: a big (a. difference b. different) 5.5 an excellent ( a. decide b. decision) Now You Try! 4つの選択肢から最も適切な選択肢を選び、 文を完成させましょう。 ---- is very popular in this pet shop. ------- (A) produces (B) produced (C) producing (D) product 1. The - buys vegetables here every day. 3. A ------- (A) customer (B) customize (C) customizing (D) customized 2. A new opened in the Green Forest mall. (A) shopper (B) shop (C) shopping (D) shopped !VT UOY woll 4. People make many cashless now. (A) pay (B) paying (C) payments (D) payer in January. 5. The department store has a (A) sale (B) sell (C) sales (D) selling 6. There are many fashionable shops in the -------- (A) build (B) building (C) built (D) builder of toys. (C) selected (D) selection 7. The store has an excellent - (A) select (B) selecting READIN CCheckLink 8. Some about the new shopping center is on the Web site. (A) inform (B) informing (C) information (D) informed CheckLin

TOEICの代名詞の問題です。答えを教えて下さい🙇‍♀️

ローマ字 Unit 2 Dining Out Warming Up 正しい選択肢を選び、文を完成させましょう。 b. They) are from England. b. her) every Monday. 1. (a. He 2. I see (a. she 3. That's (a. my b. me) coat. 4. Bob is a friend of (a. ours b. us). 2. The chef cooked a special dinner for (A) we (B) our (C) us (D) ours Give me some water. 他+目 Testische for us 前+代名詞 Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. don't need a reservation for Pietro's Pizza. (A) You (B) Your (C) Yours (D) Yourself 3. Bob Flemming is selling - (A) he (B) his (C) him (D) himself 12 seafood restaurant. 4. Mrs. Rogers bakes fresh pies, and her customers love (A) they (B) them (C) their (D) theirs 5. The Sunny Café owners will open shop in Seattle. (A) they (B) them (C) their (D) themselves 6. Mary owns the restaurant with a friend of - (A) she (B) her (C) hers (D) herself 7. Customers enjoyed - at the Fireside Restaurant. (A) they (B) their (C) them (D) themselves 8. Barney's Kitchen has a great menu for couples and ------ (A) they (B) their (C) them (D) theirs children.

TOEICの動詞の単数、複数問題です。 答えを教えてください🙇‍♀️なさい

Warming Up 正しい選択肢を選び、文を完成させましょう。 1. Everyone (a. make b. makes) mistakes. 2. Each student ( a. make b. makes) a short speech in English. 3. Some people (a. make b. makes) interesting videos on YouTube. 4. The birds (a. make b. makes) a lot of noise in the morning. Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. The chairs in the living room ------- new. (A) is (B) are (C) has been (D) was 2. The cost of the new window (A) are (B) be (C) is_(D) were 3. Most rooms in the hotel ------- Wi-Fi service. (A) has (B) have (C) is having (D) has had $250. ------- 4. The house for sale (A) has (B) have (C) having (D) are having three bedrooms and two bathrooms. IYIT DOY 5. Every room in Sun Apartments ------- an ocean view. (A) provide (B) provides (C) are providing (D) have provided 6. A new dormitory for the students------- near the campus. (A) open (B) have opened (C) are opening (D) has opened ------- 7. House prices in the city - this year. (A) goes up (B) has gone up (C) is going up (D) have gone up READING CheckLink CheckLink 8. This convenient neighborhood ------- popular with young couples. (A) become (B) are becoming (C) is becoming (D) have become