これってどういう事ですか？

(3 関数y=1/2x2で,xの変域がa≦x≦bの ときのyの変域は8≦y≦18 である。 の値の組をすべて答えなさい。 LABO a, b

高校 英語コミュニケーションⅠの問題です。 問1.次の(　)にwhenかthatを入れなさい。 ①the day (　) I will never forget ②the days (　) I was with you 問2.次の(　)にwhereかthatを入れなさい... 続きを読む

数2不等式 1枚目と2枚目で似たような問題なのに、2枚目では[2]の作業が追加されているのは何故ですか？2枚目の解き方に[2]がある理由など知りたいです。よろしくお願いします

応用 例題 4 ときか。 次の不等式を証明せよ。 また, 等号が ←左から |a+6|≦|a|+|6| 証明 両辺の平方の差を考えると 15 15 800 (|a|+|6|)2-|a+b=(al+2|a||b101)(+6) よって =(a2+2|ab|+62)-(a2+2ab+62) =2(|ab|-ab)≧0 la+b≦(|a|+|6|)2 終 |a+b|≧0, |a|+|6|≧0 であるから la+6|≦|a|+|6| 等号が成り立つのは, lab=ab すなわち ab≧0 のときで ある。

数2 何故？の式が出てくるのかわかりません、考え方を教えていただきたいです。よろしくお願いします

★★★★ 3変数への 拡張 29 |a|<1, |6|<1, |c|<1 のとき,次の不等式を証明せよ。 abc+2>a+b+c (1) ab+1>a+b ポイント④ (2) は, (1) を3文字の場合に拡張した不等式。 本問では, (1) を利用して, (2) を導くことができる。 ☑

数2不等式 ❓の置き換えることができるのは何故ですか？

>0を示す。 25 (1) 不等式 |a+6|s|a|+|6| を証明せよ。また,等号が成 り立つのはどのようなときか。 (2) (1)の不等式を用いて, 次の不等式を証明せよ。 la-c|≧|a-6|+10-c| ポイント3 絶対値を含む不等式の証明 (1) 不等式の両辺が0以上であるから,(右辺)(左辺)220 を 示せばよい。 (別解) 絶対値の性質 BSASBAKSBや -|a|≦as|a| などを利用する。

この問題教えてください

2 日本文に合う英文になるように,( )内の語句を並べかえなさい。 .000 d 12点) Jyd 1) 彼女はその電話番号を忘れないように書き留めた。 ongary but She wrote down the phone number(as/forget / it/not/so/to).jo nolsm Sri WOPT sad 10 10 10 20 10songod (3) nini 2) 悪天候のためにその飛行機は離陸できなかった。vil algong 10l arnoldong omos gniauso arloss Bad weather (from/prevented / taking / the airplane / off). bruorg ath as hitlam won 21 emote instony.aniwb. we bodeswarind mor at abnal 3 ) 私は財布を家に忘れ、さらに悪いことに、携帯電話は充電する必要があった。 I left my wallet at home, and (matters / make / to / worse ), my cell phone lo also needed charging. TE

適切な記号を選ぶ問題です どなたか教えていただきたいです 宿題でわからなくてら困ってます🤦 答えがないんです

) in Australia. 1 Portuguese ( P is spoken 2 Kangaroos ( ) in Brazil. 1 is speaking " speaks I spoke P can be found 1 are founded " can found I are can found 3 I was spoken ( 7 by 1 to ウ by to I to by 4 The song ( ) a pretty girl yesterday. ) by people all over the world for many years. 7 has loved 1 has been loved ウ loved I is loving 5 Ann's birthday cake ( ) by her mother now. is being made 1 is being making is making I has made 6 We ( ) our new school uniform. 7 satisfy with be satisfied with are satisfied with " are satisfied to I satisfy 7 She was made ( ) overtime by her boss. 7 work 1 be worked to be worked I to work 8 このあたりのどの木も切らせてはいけない。 Don't let any trees around here ( ). 7 cut down 1 to cut down " cutting down I be cut down 9 The man was seen ( ) out of the house. I go to go ウ gone I went 10 Visitors are ( ) to beware of the pickpockets. 7 advised 1 informed 11 David had his car ( 7 being checked 12 This word ( 7 is pronounced 13 Many people ( I had died 14 They were ( 7 amaze 1 15 The girl was ( 7 brought " noticed I advanced ) by a mechanic. 1 checked " checking I was checked ) with the stress on the first syllable. 1 is pronouncing " pronounces ) in the Hanshin earthquake of 1995. 1 killed " were dead I were killed ) at the singer's fantastic voice. amazed amazing I amazed I pronounce be killed in ) up by her kind aunt after her parents died. 1 carried given I grown

回答はAで正解してあまり関係ない部分の質問なのですが、 訳が「今日から一週間"後"発売」の"後"はどこから分かるのでしょうか？？

147. The new novel by Daniel Weber will be available in bookstores nationwide a week (A) from today. (B) on (C) for (D) than

全ての間違っている問題の解説お願いします 明日までなので至急お願いします

令和6年度 2学期中間考査 論理・表現 解答用紙 1 N - M E 3 4 8 2 - 25 usefal read _promise to me 3 It of do T How 15 herds To be 6 can't 3 知識・技能 [記号] With 341 1925 動詞 1½ 13 5 15 Jo to hand 4 知識・技能 help 2 To 30 76 serve 1 have segas 70 2 appeared To be 13 Ave Ken Said 14 Tikely 5 知識・技能 1 2 AL- 和6年度 2学期中間考査論 ( 1 useful, halphil promise afford 31 4 1 5 needs 1 3 spart to fail 2 I'm Jadso 12 het Start A 14 Needless 15 Be-sare 3 Y A 5 767xfiel 6 - Was read to comme ta To 14 how te 197e ti ba 6 can't affard 3 能 WAY to help * hit ウ to hand 3 ta go イ serve 4 - 1 seems to have 2 appeared to be 3 said have been 4 likely have spent 5 - 1 I'm happy(glad) to 2 to fail 3 her to start 4 Needless to 5 Be sure 3 9 Th

全部の間違っているところの解説お願いします 明日までなので至急お願いします

19 次の英語は日本語に、日本語は王線を主語にし、英語に直しなさい。 (23) 1. この旅行の主な目的はローマ (Rome) を訪れることだ。 2. This area is too dangerous to go out in at night. 3. この本は初心者が理解しやすい。 10 ( )に入る最も適切な語句を①~④の中から選び、記号で答えなさい。 (1×10) 2 forget 1. A: I came here for an important meeting with Janet, but she's not here yet. B: She seems rather careless ( ) the appointment. Dto forget forgetting for forgetting 2. Don't expect ( ①me to cover ) for you this time. ②me cover 3me covering 1 cover 3. Juliet was studying the map to decide which route ( ). ①takes ②taking ③to take Dtook 4. This city is easy ( Dfor reaching ) by public transport. 2to be reaching 3 to have been reached to reach ②to 5. They have three dogs to look after, not to ( Dmention ②say ③speak 6. He is prepared to help you if you want him ( Ddo ③it ) the cat and the bird. Otell ). ①do it 7. It was not long before Paul ( Dbecame ②came ) to realize how serious the situation was. ③went ①turned 8. I was ( ①very busy to ) pay attention to what he was saying. ②too busy to ③so busy that 9. To ( ①give ) matters ( ), he got pneumonia after breaking his leg. pause ②take - bad 10. The president of our company is ( ②being delivered ①deliver Dquite busy that ③make - worse Oput double a speech at the party tomorrow. 3delivered Oto deliver