日本語訳をお願いします

講 Do you use *'sicky notes? They are used by many people in schools, offces and homes every day They appeared jn the world through the inspiration and hard work of two scientists. You may be surprised to hear that it took fhem twelve years to develop this simple product. 了 Dr Spencer Silver was a scientst at an American company, In 1968, while he was trying to make a strong *“glue, he invented Something unique by accident。 j stuck well to things, but 江 Was Weak enough to be taken off easily It was not the glue Dr Silver was hoping to make, but he didnt believe that せ as a complete failare、 He asked his “Ycoworkers if his glue had any use, but no one was interested in 3 Im 1974 Dr Art Fry, another scienttst at the same company, had a problem. When he sang in church, his *?bookmarks always fell out of his songbook. Then he remembered Tr Silvers inventon. He put the glue on the back of some small pieces of ape They were the frst shcky bookmarks. Although they were very useful Je did not think fhey would sell well, because they could be used again and again. 3 One day Dr Ery wrote some questons on a small piece of paper He put some glie on the back of this note and stuck it on a report He sent the report to another scientist. The scientist wrote his answers on the note and sent it back、 In this way Dr. Fry found another use for Dr. Silver's invention 一 it could help people cormmunicate with each other. The two scientists started to work together to sell the sHcky notes as a new たを product. Im 1978, fhey gave free *"samples to many people in a city in "Tdaho. Almost everyone who tried the product said that they Hiked it By 1980 it was sold everywhere in fhe United States. Now the sticky notes are used al over the world. ・331 words :

英語の問題です！！ 答え3番なんですけど、4番がダメな理由を教えてください！！

上二つについて、なぜこれで距離が求めることができるのか、意味的に教えてください。変形すればこれがでてくることは分かります。

にーレ!才り 陽関数表示 ッーリ7(z) (ce ミミの) で表される曲線の長さんは ら ー の ァ= / +(登) dz 極座標表示 (裏技) 7ニナげ(の9) (o ミ9<2) で れる曲線の長さんは g 2 ニー 2上(字 ァ=/ ヴォ(名 dひ 基本的に Az が に述べておく 導出過程を大 三 V(Az)"二(Aの7 と近似 Ar = Hm = 要 AO Az の Aル / d9 な a89oスeV 結 7 げ(9) / 。 7 ニーテー cos の 地 Ds 2 のー7(のsnの= みみ 。 がの にり ェーテァ7cosの一了げ(の)cosの9 より りーティ7sin9ニ7の)sin9 より sin9二(の) cos9 = 空 話。 つ@ @ 9 77 ルルなN* 2 2 2 の7 9の ルル み 2 が デーニーィルルーーー =リリ[学- cosの9一rsin 7 圭一 の C @_V ( ) 帆 (芝) V ( HH ) (放 EE レーぅ / 3 V(和) (cos29+sim2 の) 上72(sim2 9 cos2 の) V(介) 7 次の曲線の長さア

この長文の1部の訳を教えて欲しいです🙇

ars ago,he already had four small children from When Imarried mV husband、 hiS preViQuS arriage。 Tbecame their Stepmothers and Watched them becornc Young teenagers。 Although they jived primarily W arncd tO adjust。 We enjoyed Vacations toOgether、 ith their mother、they spent a lot of dme Nuith us as well、Over he years、We al ]ea ae family meals、WorKcd on homework、 played bi hat li sider。 Since I had no children of my Own、 my limited Q my husband's four、 and often I felt sad because eball、 rented videos。 FIOWeVer。 志 condinued tQ fe eNperience Qf parenting W T OUuId never knQW the special bOnd that exiSts betvecn DaTCnt and a child. Hen the Children moved tO a Own that was a fiVe-hour drive aWayx my husband as understandably upset We promptly set up an e-mail and chatline serVice。 っ) LDS This technology、 combined with the telephone, would enable us to reach the children on a daily baSiS by sending frequent notes and ImesSageS。 and even chatting together When we were all on-line.

有効数字についてです 下線部の箇所19.6m→20mにするのがなぜかわかりません🤔

(3)の「with」の目的語がわかりません 教えてください

問3の「with」がどのように使われているのかわかりません 教えてください

化学基礎で有効数字についてまとめられたプリントをもらったのですが、あまり理解できないので説明をお願いします。もしくは、有効数字について分かりやすく書かれたサイト等があれば教えて欲しいです。

While the presentation was being given the teachers were taking notes. (プレゼンテーションが行われている間、教師たちはメモを取り続けた。) この英文のどれがSとかOとか、文構造教えて下さい！ なぜこの... 続きを読む

教科書が全く読めません。 下線部が訳せませんでした。頑張ってみたんですけど、よくわかりません。 1つめ それら(これがそもそも何かわかりません。class papersでしょうか)のほとんどが、一般的なメモ(メモであってますか？)や後のアウトラインとしてノートから始める... 続きを読む