これって３枚目の下線部だから矢印の計算になるのですか？

436 関数の定積分を用いて,次の不等式を証明せよ。ただしnは自然数と する｡ X 2(vn+1−1)<1+- 1 1 + ・+・ /2 √3 +/1/2≤2√n-1

答えが違いました。どこの計算が間違っているのかわかりません。答えは熱容量は2.1×102条J/K、比熱は0.42J/(g×k)です

& STENH 100 熱量の保存 質量 500gの金属製の容器がある。 20℃のこの容器に 80 ℃ At RULE の水70gを入れたところ, 容器も水も 55℃になった。 外部との熱 の のとして, この容器の熱容量と金属の比熱を め 水 よ。 求 ■ 例題 25 ヒント (水が失った熱量) = (容器が得た熱量 ) 9 りはないも とする。 の比熱を4.2J/(g・K) 出 入

教えてください！！

PAR Review 5 (Point 131~157) to smo r ■ QAZ- GREL 131~157) 形容詞の語法, 副詞の語法,比較 ETC 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。 2. There was hardly ( 1 more 1. Many students were not able to solve the problem, but ( ents wer 1 few ble to so 2 a few 3 little 3. Ken didn't work as ( 1 hard 3 hardest 4. He has a great ( things usd 1973 7. Your plan is ( 17. Ⓒ less do ) rainfall in that area of the country. 2 some 3 no 4 any slɔ od ai (-) ant eslood om hans and sil2 (dytas) ) were. O TOC Besides ) of knowledge about languages. sie o 2 deal 3 quality 形容詞の語法, 副詞の語法, 比較 viilsup ai ) as his brother, and he failed in the final exam. es dou 3 pleased *080 6. Ellie has to finish her project by next Monday. boss. 1 Except ) better than mine. 12 far to excite 5. The singers seemed a little too () with their success. be pleased 2 be pleasing July 11. The news was (\) to us. 21. Ⓒsurprise 2 more seriously 4 many serious 2 excitement PILN 2 surprised on bed anellob svit 4 a little 3 more 10. The school is strict about hair styles; ( (1 moreover 2 otherwise 3 Additionally (B2), 4 ) (0) die Gl and number gaigbulafe 3 surprising TOXOX bubong eidT) Vino 4 too 4 Otherwise 131 (東海大) um coM as 146 blaw edi buona 〈 名古屋学院大 > Har \ gad) 本日132 4 pleasing 〈 近畿大 > 185 she will get in trouble with her 8. A friend of mine is coming to Japan next month. I am very ( ) about the news. ➡132 1 excite (3) excited 4 exciting <東海大 > LOW LAW 304 3 exciting 4 excitable 1940 inging yM AUTO ), some students break the rules. 3 nevertheless 4 notwithstanding ro sniqgsH 9. By the time it ended, our team had battled hard and finally won. The game was indeed ( ). 10 excited 142 ➡131 <杏林大〉 ② 次の英文の 1. Count day. 4 to surprise JanoviaU bolx0 144 < 南山大 > 150 1) I bsando gli om man soad sms I asdW <玉川大〉 132 〈北里大〉 145 〈法政大> 132 <京都学園大 > REST ③ 次の日本 01. 1 Sh 2. Of 3. Alice □ 2. そ C ☐ 3. □ 4.

合っているかの確認をお願いいたします。

recipient B. Complete the passage with items from the box. One item is extra. accessible came to an end empire established keep in touch with intended recipient Several ancient cultures (1) intended good postal systems so that rulers could (2) very distant parts of their kingdoms. For example, rulers in Egypt, Rome, and China all had systems for delivering messages. But when the Roman (3) established finally (4) came to an end, the Roman system for delivering messages disappeared in Europe. One thing all of these early mail systems had in common was that they were only (5)_empire rulers and very rich people. However, today mail systems are cheap enough to be (6) keep in touch to everyone. for the with

1〜5）に何が入るのか教えて欲しいです。

受動態 Complete the passage by putting the verbs in the passive form. bag leave mix see separate tie ABCマンションの管理人が居住者に向けて, 掲示板でゴミ出しのきまりを周知しています。 Trash Notice Dear Residents, As we have recently noticed that some people are not following our building's trash rules, I would like to remind you of the rules again. ✓ Burnable* trash should be bagged tightly* and put in the trash can in the garbage area downstairs. If your trash bags_1)________ open outside, birds and other animals may get into them. Recyclable* paper should 2) ____from burnable trash and placed beside the trash can. Newspapers and magazines must 3) up with string*. Plastic bottles and cans must be put in separate clear bags. The bags will not be collected if the bottles and cans 4) or the contents* cannot 5) through the bags. Thank you for your cooperation. Tom Henry, Manager / ABC Condominium burnable [0] tightly [] recyclable [] string [] content [] 35

答えが違うところが合ったら解説お願いします

A ( )に入る最も適当なものを選びなさい。 1. Take the number 8 bus and get ( 4 on 3 off 2 down away ) this application form. 2. Please fill ( 4 to 3 on 2 in Qwith 3. Soccer is very popular ( 1 to 2 at 3 among 4. Don't forget to write ( 0 down 2 off ) Japanese students. 4 between ) when and where we will meet next. Oby 4 away ) early hours will live long. 5. Those who ( rise 3 have 4 keep take 6. She persistently asked her son to clean ( 0 on 3 off 4 up down 7. The international conference ( 0 held 14, I saw ( ☐8. I ( 1 got 9. Kathy is ( 0 pride of 10. I haven't ( heard from 2 listened from 11. I want such silly rules to be ( taken removed 3 cut 12. His name is known ( for 2 to with ) cancer last year. LESSON 1 13. My father died ( 0 of 2 on 3 with 4 in 2 LESSON 1 took hold 3 organized ) a very good time in New York. 2 stayed Ⓒoff him at 15. Please try to ( take get ) the bus stop. ) at Forest Road. ) in May three years ago. 4 took place ) his room. had 4 passed ) never having been late for school. pride in 3 proud in 4 proud of ) my girlfriend for more than three months. him off 3 off him from ) the best use of the time left. 3 make 4 pay (愛知学院大 ) 4 him off at (福岡大) 3 received from 4 talked from ) away with. 4 done ) everyone in our town. 4 in (東海大) ( 桃山学院大 ) (札幌大女子短大) (駒沢大) (南山大) (上智大) (愛知学院大 ) (大東文化大) (愛知県立医療技術短大) (流通科学大) (福島大) (名古屋外語大) (愛知学院大短大)

紫マーカーのis by の繋がりが分かりません 何か省略さされてるのでしょうか？

fault, and immediately accept the blame for it by apologizing. If so, you are making a mistake. The reflex apology is just that: a reflex-an automatic, knee-jerk response, not a considered admission of guilt. This is a deeply *ingrained rule: when any inadvertent, undesired contact occurs (and to the English, almost any contact is by definition undesired), we say 'sorry'. 16 In fact, any intrusion, impingement, or imposition of any kind, however minimal or innocuous, generally requires an apology. We use the word 'sorry' as a prefix to almost any request or question: 'Sorry but do you know if this train stons at Banbury? Sorry, but is this seat free?' 'Sorry do you

教えてくださいお願いします

TRY! 次の日本語に合うように に適当な語を入れなさい . ① この問題を解くのは難しい. ) is difficult ( ② 彼女の仕事は外国人留学生に日本語を教えることだ. Her job is ( )( students. ③ あなたはゴルフのやり方を知っていますか. Do you know ( ) ( )solve this problem. ⑤ 心配することは何もない. There's nothing( I'm scared. ) Japanese to international ④ 彼はドアの鍵を開けるのが不可能だとわかった. He found ( ) impossible ( door. )play golf ? )worry( ) unlock the ). ・ ●

数2の直線の問題なのですが、 なぜ、k（2x +3y−7）＋（4x＋11y−19）＝0という式になるのか分かりません。 教えて下さい🙇‍♀️

ず 較法) 入法) 成立 の恒等 9=0 題78で 点を通る これら! である 購入 こする 基本例題 78 2直線の交点を通る直線岡市 2直線 2x+3y=7 ①, 4x+11y=19 る直線の方程式を求めよ。 SOLUTION 2直線 f(x,y)=0, g(x,y)=0 の交点を通る直線 方程式 kf(x,y)+g(x,y)=0(kは定数) を考える.. yで表される式をf(x,y) などと表す。 x, 問題の条件は2つある。 CHART 解答 kを定数とするとき、次の方程式 ③は, 2直線①, ② の交点を通 る直線を表す。 k(2x+3y-7)+(4x+11y-190) (3) ③点 (54) を通るとすると､ ③にx=5,y=4 を代入して [1] 2直線 ①, ② の交点を通る [2] 点 (54) を通る そこで,まず,①,②の交点を通る直線 (条件 [1]) を考え,次に,この直線が点 (5,4)を通る (条件 [2]) ようにする。 15k+45=0 これを③に代入すると 整理すると x-y-1=0 よって ① ･･････ ② の交点と点 (54) を通 [p.115 基本事項 5. 基本 77 19 11 0 73 19 (5,4) k=-3 -3(2x+3y-7)+(4x+11y-19) = 0 別解 2直線①, ② の交点 の座標は (21) よって, 2点 (2,1),(5,4) を通る直線の方程式は y=1==2(x-2) すなわち x-y-1=0 (INFORMATION 2直線の交点を通る直線 交わる2直線ax+by+c=0, azx+by+cz=0 に対して k(ax+by+ci) +ax+bzy+c2=0 (kは定数).... (*) は,kの値にかかわらず2直線の交点を通る直線を表している。 (ただし,直線 ax+by+c=0 は除く。) 2直線の交点 (x,y) は, ax+by+c=0, ax+bzy + C2 = 0 を同時に満たす点であ るから, (*)はんの値にかかわらず成り立つ。 すなわち, (*)は2直線の交点を必ず 通る直線になる。 この考え方は直線以外の図形を表す場合にも通用するので,応用範囲が広い。 3章 11 直線 PRACTICE･・・ 78③ 次の直線の方程式を求めよ。 (1) 2直線x+y-4=0, 2x-y+1=0 の交点と点(-2, 1) を通る直線 (2) 2直線x-2y+2=0, x+2y-3=0 の交点を通り, 直線 5x+4y+7=0 に垂直 な直線 LA ノ-836BT 6mm ruled x36 lina

英語表現 MY WAY2 Lesson3 助動詞1（義務・必要）のないようになります。回答が知りたいのでわかる方教えて下さると助かります。

1. あなたは、 12時までに寝た方がよい。 そうしなければ、 6時に起きられないよ。 bed by midnight. Otherwise, you You[better/go/had/to] cannot get up at six. 2. 欧米では、麺を食べるときに、 すする音をたててはいけない。 In Western countries, you not / ought / make noise / to ] ed when you eat noodles. 3. 私たちは、早く着きすぎた。 そんなに急がなくてもよかったのに。 We arrived too early. We have / hurried / need / not] so much. JTOH 4. そんなに夜遅くに、 友だちに電話するべきではなかったのに。 You [ called / have / not / should ] your friend so late at night. 1. お土産のことは心配しなくてもいいよ、お父さん。 Dad, you ( )()( ) about souvenirs. 2. 「母の日に、夕食を作ってあげようか。」 「それは、いいね。」 "( ) I ( )() on Mother's Day?" "That sounds nice." 3. あなたは火曜日には、 あのテレビの英語番組を録画すべきだ。 You ( )()() the TV English program on Tuesday. 4. 雪の日には、 自転車に乗るべきではない。 You ( ) ( ) not ( ) a bicycle on a snowy day. 5. 君は眠そうだ。 君は、昨夜もっと早く寝るべきだった。 You look sleepy. You ( )( )( ) to bed earlier last night. 分の家などでの約束事などについて、英文を作ろう。 ルールがあるかを考えよう。 ②どの助動詞を使うかを考えよう。 about your family rules. [ must] walk my dog every morning. / ought not to [must not] sit up late at night. してクラスで発表しよう。さらに、別の文を作って発表してみよう。 Words & Phrases p.147