急にルートの計算の仕方が分からなくなってしまいました。細かく教えてください！とくにー2√6(3＋√3)のところらへんが分からないです

244 余弦定理により c2=(√6)+(3+√3)2-2.√6(3+√3)cos 45° =6+ (9+6√3+3)-2√6(3+√3)× 1 ✓2 = c0 であるから =√12=2√3 =12

答え合ってますでしょうか🥲🥲

10. I was surprised that John offered help to Mary. He was ( thing, as they usually don't get along with each other. ) I expected to do such a the last 1 the first person 3 the best person no 100を含まない否定表現 彼は決して内気ではない 11. He is ( bart 2 the last person 最も~しそうにない名詞 4 the right person 〈文教大〉 but shy. anything but A 決してAではない not ①none ②anything 3 nor tobige something <宮崎大 > 12. Unfortunately, the result of their experiments turned out to be ( ) being what you would call a great success. far from A Aからはほどとおい 1 almost next to 2 despite 13. I have ( ) meet a person as dedicated to her job as Maria. have yet to do "~7 in 〈立教大〉 2 known to 14. Little ( ) how important these documents are. 1 already 3 never 24 yet to 彼女はこれらの記録がどのくらい重要なのかほとんど理解していない。 ・10g 否定の意味の副詞句が文頭に 1 she realizes ③far from 4 nothing but 〈金沢医科大 置 ■ 15. ( (大養薬 3 she does realize ) attended many international issues during these meetings, too. Not only he has He only has ② realizes she くるとういろは倒置形になる 4 does she realize <京都精華大〉 conferences, but he has expressed his views on many Not only A but BAだけでなくBもまた AとBどちらにも文がはいるときAに入る文だけ倒置 2 Not only has he 4 He used to only 16. Only when you pass the examination ( (韓国 17. ( <北里大〉 ) a reward. Only +副詞節が文頭にくると 2 can you get you can get 3 could you get you get ) amaldong ) he got on the bus did John realize that he had left his wallet at home. 1 When 2 Once 3 Not till (1) <松山大 4 As 否定の意味の〈日本大〉 副詞節が頭にくると うしろは倒置になる 85

答え合ってますでしょうか😭😭

1 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。 ()ted 1. I don't know () about computer science. 1 some 2 every (3 none 2. "These apartments are supposed to be for students." to \anemone \ new anything () "That's ridiculous. ( ) could possibly afford such high rent." All students 2 Some students 3 Any students 4 No student 〈北海学園大 〉 ) all of the players gave their best performance in the final game. hot ... all # 3. ( 1 No (2 Not 3 Most 4 More < 東京都市大〉 2:3 ? SS ER 文

疑問文 答え合ってますでしょうか😭😭

BR 1. What we do does not define ( ) we are. 1 whom ☐ 2. Could you tell me ( 2 who asub think) cer ③when deal ) person is driving to London? liw3 which mob spin alool sear how neob() who Hov ob not oploT paliaty soli di aw 1 when 2 where ☐ 3. ( ) made you try again? What Jail 2 When W ③3 Where WOHL ☐ 4. I found a sock on the floor, but I don't know (1) it is. 1 who's 5. ( 1 Where 2 who 3 that ) on earth did you go there last night? 2 What m ⒶWhy 'nbib nor ( ④ whose 〈大阪経済法科大〉 whose t 名〈亜細亜大〉 だれの名 og mot bib 3 Who 4 Why <東京工芸大〉 81

6 明日暑ければ、泳ぎに行くつもりです it isをit will beにしてもいいですか？(1のように)

11. I hope (that) it is [will be] sunny tomorrow. anvoy di relugod ei steso sidT 2. I'm glad [happy] (that) you helped me. 3. He told me (that) he wanted to join our team. 4. If it's hot tomorrow, I'll [I'm going to] go swimming. (1) I'll [I'm going to] go. 22. swimming if it's hot tomorrow.

解説お願いします！

2 A地点からB地点を経てC地点まで, 92kmの道のりを自動車で行くのに、 A,B間を時速40km, B, C間を時速 50kmで進むと、2時間かかりました。 A, B 間とB, C間の道のりを, それぞれ求めなさい。 補充問題 10 【連立方程式をつくる】 x… 18

解説よろしくお願いします！🙇‍♀️

3 □ 2けたの正の整数があります。 この整数は,各位の数の和の4倍よりも3大きい数です。 また、十の位の数と一の位の数を入れかえてできる 2けたの数は、もとの整数よりも9大きくなります。 もとの整数を求めなさい。 【連立方程式をつくる】 ×… Y

swimmingを、itに変えても大丈夫ですか？

obam He had been practicing (swimming) after school for the past few months.

3 toのあとにtheをつけるのはダメですか？ 私がその電車から降りた時、私は30分間ずっと音楽を聞いていました

we entered [started/got into] junior high school.dwood sro best Yabad 1 3. I had been listening to music for thirty ad minutes when I got off the train.

なんで(4)は最後に√をつけて(6)はつけないんですか？

□(4) a=5√2,6=6,C=45°のとき C²² α² + b² - 2ab cos 45° = 50 + 36 - 60√√2 fas +36-60√√ √ = 24 かけるのが先 2 ☐