数学 中学生 約4年前 全部わかんないです、、 1 次の計算をしなさい。 わり算は、わり切れるまでしましょう。 (1) 19+8 (2) 142-59 (1) (4) (4)3021-1992 (7) 7.7-2.5 (10) 1.9×5.1 2 次の計算をしなさい。 7 5 6 6 158 x 16 5 2 3 F) 0.7×6- ÷ 14 3 [ | ] (5) 19.1+5 (8) 6.55 +1.21 (11) 96÷4 (2) 5 1 2 (5) 272 +4 1/1/2 ÷4 5 6+ (6 +0.25) 16 (8) 6+ l (3) 2489+3015 (6) (6) 10.3-9 (9) 23×11 (12) 27.3÷7.8 1 4 | (3) 2 - -/-/-/- 9 1 (9) ] (6) 3×5×10 [ 10 3 1 21 9 -x (1-0.58) [ 未解決 回答数: 1
数学 高校生 約4年前 数Ⅲでの質問です。 xが0に無限に近づく際のsinx/xの極限が1になることの証明についてです。 https://manabitimes.jp/math/669 行き詰まったのは↑のサイトの問題です。 ↓の画像で扇形OABが1/2xがになるのはなぜでしょうか? 三角形O... 続きを読む lim Sinx. X-70 x OAX = 1 B OAB CAB = QBC すなわち I s'nx < = x <= = = tanx ↑ ナゼア 未解決 回答数: 1
英語 高校生 約4年前 教えてください (1) None of us knew ( which 1 2 (2) Stratford-upon-Avon is the town (₁) Shakespeare was born. 1 which 2 where 3 in that 4 when (3) I will never forget the holidays ( 1 when where (5)( ) she remained silent then. why 1 Whoever (4) (…) I've wanted is not money but love. 2 That 1 Who (7) The subject in ( 1 which (6) I bought a new book yesterday, ( 1 that 2 which (8) This is ( 1 which ) you may say, I won't change my mind. (2) Whomever (2) 3 when Bidan 4 whom ) I stayed with her. adal 3 why (9) We stayed in an old house, ( 1 which 2 who (10) Who was the person to ( 1 who whom Mid 3 Whosem 4 What ali gan4 which 3 Whatevers 4 Wherever ) I found very interesting. (3) what ) I was interested in my school days is mathematics that where 4 when (3) ) we came to understand each other. 2 who (3 for which 4 who M (8) 4 how 01 las of ) roof was covered with snow. (3) whose whom ) you were speaking yesterday? 3 that whose 回答募集中 回答数: 0
英語 高校生 約4年前 文章を読み200字以内の日本語で要約して欲しいです Ⅰ 以下の英語の文章を200字以内の日本語で要約しなさい。 ad a We often forget that an important part of "scientific" knowledge was built on the study of alchemy and other magical practices Alchemists were interested in changing certain metals into more valuable ones For example they tried to change lead into gold, However, they also wanted to produce medicines (that would allow people to live forever or cure any disease. The philosopher's stone is known to us today from the Harry Potter series of To novels and movies This magical stone was believed to have enormous powers and make you capable of doing and knowing pretty much everything. 可能にする *John Dee was an alchemist (who was particularly interested in the problem <of foretelling the future from the positions of the stars and other planets He was also an expert in ordinary mathematics and navigation, One of his most * ふつう fell important projects involyed, research (on a universal language (for 巻き込む communicating with angels!Dee was extremely successful He made a lot of money/had (extremely high status (in universities and government, and owned one of the best libraries in Europe/much of it dedicated to magic. 捧げる However towards the end of the sixteenth century/ideas about magic were changing. Many Christians in England were unhappy(that people were still キリスト教入 communicating with the spirit world which was one of the goals of sixteenth century magicians, As you know Japanese people welcome the spirits of ancestors into the house during the Bon festival European Christians were not happy (about that kind of thing, and they complained (about similar European festivals like Halloween) At the same time, many Christians were afraid that alchemists might be trying to steal God's power. As a result, there was a powerful movement to shut down magic once and for all. 禁止する ALE V n You may be familiar with the Japanese manga and anime series *Fullmetal 45% a Alchemist./The story takes place (in a fictional world in which alchemy continues to function as a normal part of scientific knowledge For example> the heroes (of the series are searching for the philosopher's stone,/and alchemists carry out important work(on behalf of the government/If our 利益 modern world had developed (in the same way as the world of Fullmetal Alchemist people like John Dee would probably have continued to do well. In fact, he lost his jobs and money and died in poverty. 1 未解決 回答数: 1
数学 中学生 約4年前 𝒎𝒂𝒕𝒉 五番教えてください🙏 回答と解説を載せてくれたらありがたいです [5] 右の図のように, 長方形ABCDの外側に2つの正三角形EAD, FBAをつくり, 線分ECとFDの交点をGとする。 このとき、次の各問いに答えよ。 (1) AFD=△DCEであることを証明せよ。 (2) AFD = 18°のとき, ∠FGCの大きさは何度か、求めよ。 8", F B (3) AB=4cm, ∠FGC=90°のとき, 六角形AFBCDEの周の長さは何cmか, 求めよ。 D 未解決 回答数: 2
数学 中学生 約4年前 𝒎𝒂𝒕𝒉 6番全部教えてください🙏 回答と解説を載せてくれたらありがたいです 6 右の図は,すべての辺の長さが等しい正四角すいの展開図である。 四 角形BCDEは正方形であり, BD=CE=6cmである。 線分BDと線分CE の交点をIとする。 このとき、次の各問いに答えよ。 (1) 右の展開図を組み立てるとき, 点Gと重なる点はどれか, 答えよ。 (2) 右の展開図を組み立ててできる四角すいをPとするとき, 次の① ②に答えよ。 ① 四角すいPにおいて, ∠AICの大きさは何度か 求めよ。 ② 四角すいPの体積は何cm²か, 求めよ。 H B 26cm E D 未解決 回答数: 1
数学 中学生 約4年前 math📐 この球の表面積の求め方を教えて頂きたいです🙌 (01 b338 (4) 半径2cmの半球 0151 S5344 SBA ba S 2cm d ARA 13 S 未解決 回答数: 1
英語 高校生 約4年前 教えてください 基本 日本 本 (1) None of us knew ( 1 which 2 (2) Stratford-upon-Avon is the town ( where which ) she remained silent then. why when 2 (3) I will never forget the holidays ( ) I stayed with her. 1 when 2 where 3 why (4) (4) ( ) I've wanted is not money but love. 1 Who 2 That (6) I bought a new book yesterday, ( 1 that which ) Shakespeare was born. in that 4 when (5) ( ) you may say, I won't change my mind. 1 Whoever 2 Whomever (7) The subject in ( 1 which den 2 that 3 Whose (9) We stayed in an old house, ( 1 which (2) who 4) whom (8) This is () we came to understand each other. 1 which 2 who 3 for which which What (3) Whatever 4 Wherever ) I was interested in my school days is mathematics. (3) where 4 when ) I found very interesting. (3) what 4 who how ) roof was covered with snow. whose (3) (4) whom (10) Who was the person to ( ) you were speaking yesterday? (3) that (4) 1 who (2) whom whose 回答募集中 回答数: 0
数学 高校生 約4年前 解の上から3行目 分子のX+2 と Y+1 が何故足し算なのか分かりません 例題2 考え方 線分BC 解 (S.1)D (S-C) 8 点A(-1.3) に関して、点B(21) と対称な点Cの座標を求めよ。 線分BCが点Aになることを用いる。 D620 点Cの座標を(x,y) とする。 点Aは,線分BCの中点であるから, v+1=3 x+2=-1,y+1 2 x=-4,y=5 [点に関して対称な点の座標] 2 したがって, よって, 点Cの座標は, (-4, 5) AASTSaill C(x,y) A(-1,3) 0 B (2, 1) x 未解決 回答数: 1