なんでAEとGDのなす角が135°なんですか？

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【カしてください

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【還 8 下の図は, 点O と人ABC の各頂点を通る直線O OB, 0C上に, それぞれ。点胡。 Be Ce Oだ=30A, OB'=30B, 0C=30C となるより(に とつう:GペAB をかいたものです。 ムAABC co 人へABC* となる理由をいいなさい。 また, へABC とへAB(

（1）の問題の解き方が分かりません。 一応、解説はついているのですが理解できません 回答よろしくお願いします🙇🏻‍♂️ 解答も貼っておきます。

lim(n→∞)Σ(k〜n)1/k!の答えとやり方を教えて下さい！

明治時代　桂太郎らの対露強硬論と日英同盟論は一緒ですか？

Conference organizers made arrangements for all —— guests to be presented with an information package. という問題です。複合名詞だと思い、Cにしたのですが正解はDのarri... 続きを読む

(g) simPIy 9 simpliy ⑰) simplificatiOn 形 C arrangerments for 本 iobepresented wilh 80 (5) arrives (C) arival a (0 aw も aS SStimated IO In W8SN.

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how

The price of a particular share varies from day to day. On Monday the price of the share wasE1.Tuesday's price was 209% higher than Monday'S, and Thursday's price was 25% up on Wednesday's price. By the Friday of that week the price had returned to ま1. Helen bought 1000 worth of this share on Monday and then sold 1hem on Thursday to make a profit of ま350. Paul bought 3000 worh of this share on Tuesday, but had to sell them the following day. Assuming that there are negligible costs associated with buying and selling these shares, what was the retum on Paul's investment?

How? 😭

equation for the complete combustion of methane iS: CH4⑧+20(8) っCOz(⑧+2Hz0⑧@ 0 of methane Were completely bumed in 8.00g of oxygen (an exCeSS) to produce 4.40g dioxide、What mass of oxygen is left unreacted? 1:C=12:O=16)