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英語 高校生

全問答え教えて欲しいです😭😭こたえないです 関係詞の問題です

2 3 Fill in the blanks. Use which / when / where / why/how. 1 これは両親が新婚旅行で泊まったホテルだ。 This is the hotel ( where (2) うるう年は2月が29日ある年だ。 A leap year is a year ( when (3) うるう年は4年に1度しかやってこない年だ。 A leap year is a year ( 4) グレッグがテニス部をやめた理由は明らかではない。 The reason ( why ) Greg quit the tennis team is not clear. 5) 私はよく英語の歌を聴く。 そうやって、 私は英語を勉強している。 I often listen to English songs. That's ( ) my parents stayed on their honeymoon. ) February has 29 days. ) only comes around once every four years. 2 Complete each sentence. Use when / where / why. 1) Last Saturday was 2) Jill lied* to me. That's 3) How far is the hotel from 4) I was in Rome until last Sunday, ) I study English. I moved into a new apartment. I'm angry at her. we are now? Give It a Try Write about yourself. 1) I remember the day 2) I want to know the reason I left for Paris. )( ) ( 3) 私の父が勤めている銀行は私の学校の近くにある。 Put the Japanese sentences into English. 1) 私は教科書を何度も読んだ。 このようにして, その試験に合格した。 I read the textbook many times. ( ) ( 2) 私が卵を食べない理由はアレルギーがあるからだ。 3 Put the words in the correct order. Use when / where / why / how. Could you wait until next week, (so busy, won't, I, be)? → when I won't be so busy 1) (we/ the beach/played) was very beautiful. 2) Last night I had a bad dream. (I, that's, didn't, sleep) well. Last night I had a bad dream. 3) I still remember July of 2014, (I, a week, spent) in Okinawa on my school trip. I still remember July of 2014, in Okinawa on my school trip. 4) We met at the summer camp three years ago. (became, we, friends, that's). We met at the summer camp three years ago. )( )( (4) 私は,兄が暮らしているロンドンに行きたいと思っている。 I want to go to London, ( )( (▶4-1) ) my father ( (▶4-2,3) ) ( lie 「うそをつく」 was very beautiful. )( ) I passed the exam. (「~にアレルギーがある」 allergic to ~) ) I don't eat eggs is that I'm allergic to them. )( well. ) is near my school.

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数学 高校生

赤く丸をしたbの問題で解答の方に二階微分した後の式がなぜ(-1/4)(-1/4)(H-27)になるのか分かりません。教えてください🙇‍♀️

QA At time t = 0, a boiled potato is taken from a pot on a stove and left to cool in a kitchen. The internal temperature of the potato is 91 degrees Celsius (°C) at time t = 0, and the internal temperature of the potato is greater than 27°C for all times t > 0. The internal temperature of the potato at time t minutes can be modeled by the function H that satisfies the differential equation dH (H- (H-27), where H(t) is dt measured in degrees Celsius and H(0) = 91. (a) Write an equation for the line tangent to the graph of Hat t = 0. Use this equation to approximate the internal temperature of the potato at time t = 3. (b) Use 2017 APⓇ CALCULUS AB FREE-RESPONSE QUESTIONS (a) dH d²H dt² to determine whether your answer in part (a) is an underestimate or an overestimate of the internal temperature of the potato at time t = 3. (c) For t < 10, an alternate model for the internal temperature of the potato at time 7 minutes is the function -= − (G - 27)²/3, where G(t) is measured in degrees Celsius dG G that satisfies the differential equation dt and G(0) = 91. Find an expression for G(t). Based on this model, what is the internal temperature of the potato at time t = 3 ? 564 at (21-27) - == 2-16 To = - = (H(3)-27) 4 -64 = HB)-27 -37 = H (3) (b) _d²fi © 2017 The College Board. Visit the College Board on the Web: www.collegeboard.org. GO ON TO THE NEXT P

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