数Ⅱです。 (2)の直しをしていたのですが、よく分からなくなってしまいました。 解説お願い致します。

30 次の式を計算せよ。 2 4 8 1+a 1+a° 1-a 1+a Ca ab bc V(2) (a-b)(b-c)Tて(b-c)(c-a)"(cーa)(a-b)

英検の英作文の添削お願いしたいです。 topic agree or disagree high school education in Japan needs to be improved

AI am a hegh schol student I alweys have Complain for seheol So I think hogh schalcdecetion in Jopan heeds to be inpraved. Moinly, gblalizotioa ond quolity of teaching.Fist,it is mete onod mote beaoming globelizatioa. Joparcse studets study Exghsh for obaut six yeals. . Howerer most peaple cowot speak Englis. 「ink it des not nean to study. They shauld have an oppotunity to comuRiacte in Ergisk. It lesds to imglove their 81 four skils, tesdig. withig, bstecicg and gpeakicg. Also, it peeds to implove quality d fecdaieg. If studects Conld vot wndesstond 「teders wold not here blty for tading. So, tordes shoald pioctice for teach studeats botore they becoire feaches Thetetore, I think high scho education in Japan shonldt inpiaved

英検準2級の英作文です 誰か採点をお願いします🙇‍♂️ 字が汚くてすみません

Q. Do You hink it is good Sor children wateh TV? Yes, I think.I have First, that childrer can s, haf we heasons. many things. ThatichildreんA Watch TV,I think 15 learn エhink Secord, So, I think ナ.is go0d.cfor children I think hat children iれterested many thines た wath TV cCJor children

14番 Itではダメなのですか？

year. (a 13.久美と花子はそれ以来(その時から)親友です Kamt and Hanako hove been the best frend Since then. H has ken gad weaither sihcce (6sf Sanday. 14.この前の日曜日からずっと良い天気です Wherer

ずっと疑問に思っていたのですが、この解はなぜこのような求める方で出せるのですか?? どうしてこのような式になったのか、例8、9共に計算の過程?を教えてほしいです。

例8 不等式 |x-3|<2 の解は |x-3|<2 -2<x-3<く2 1-2--3--2-~5 の各辺に3を加えて |x-3|はxと3に対応する2点間 の距離を表す。 1<x<5 例9 不等式 |x13|>2 の解は |x-3|>2 x-3<-2, 2<x-3 1 5 よって x< 1, 5<x 問12 次の不等式を解け。

なぜ間違いなのか教えてほしいです。

23 接続詞 185 5《いろいろな接続詞》次の各組の文がほぼ同じ意味になるように, 空所に適語を書きなさい。 「Jim learned to play the piano at the age of seven. 1) Jim learned to play the piano_her he was seven years old. If you run to the station, you'll catch the train. 【Run to the station, 50and you'll catch the train. Tom likes apples. He likes oranges, to0。 soth apples nd Tom likes oranges. 「Lucy's brother is too young to ride a bike. 4) Lucy's brother is he can't ridea bike. rerea OS that young 80 A 2 女をロ太せにしたさい。

答えが合ってるか教えてくれると嬉しいです！

【1】 ~【8】各2点 【9】 各4点 英語演習 (2) No.1 [e] [8][11 o 【4】 次の英文の下線部の意味に最も近いものを選び、記号で答えなさい。 1. Bob made up his mind to propose to Dorothy. あ) prepared い) hoped う) decided え) began 2. Her dream to be a singer came true after all. あ) fortunately い) ( え う) lately え)totally eventually 3.I couldn't put up with the loud music firom the house next door.)( hear にの方 stand wan omoe ob vi い) da う) complain え) あ) increase へ 4. Please callon us whenever you want to.( あ あ)visit uode bainrow sigosg sedipy え) trust い)telephone う) tell 【5】 下線部と同じ用法のものをa~dから選び、記号で答えなさい。 (1) No one was to be seen in the village. (2) Aconcert is to be held at the stadium this weekend.の (3) Ifwe are to win the game, we must practice much harder. (4) You are to show the contents of your bag at the entrance. ( d (biw) a. The President is to arrive at the airport at three. b. You are to turn off your cell phone in the hospital. C. No treasure was to be found in the ruins. d. You must leave here right now if you are to get there in time. pre () 1oieolapzs ① Iegelli S Lsups D busotaog () 90don © IeTo 19q0 の )に入る適語を選び、 番号で答えなさい。 【6】( 1. One after ( 3/ の two )the swans flew away from the lake. 3 other 2 each の another 2. This PC won't start up. There must be something ( CL )with it. O hard 2 wrong 3 good 4) common J さ ま 景る人( 3. It' your (( ) towalk the dog today. 0 need 2 order 3 turn の place )i aroiniqo iedh evsg atnsburta o 9010 4. Finish packing quickly. 3) We have not time to ( 2 lose 3 keep ④ leave v w )m ggnia sotbeq bloods us O go 5. In Great Britain, () )police officers carry guns, but most of them do not. ol boool sids の few 2 any brpi (3) some の the ) he hurried, the shop was closed when he got there. O Despite )i iol sasd ssteas O Although ② Regardless of ③ In spite of 7." Is she going to get well soon?” “I( 1) )" 2 am afraid not の hope it want so の wish so

a=aのとき、aが任意の定数になるというのがよく分かりません （1番）です

次の関数をxについて微分せよ。 S(x-)sintdt (2) Sie'sin? S(x-)sintdt -S-のntan), - ntar Srasintar) --(x)S,sintdr Saintdr--[-com-comx-com3 d dx Srer dx d dx -xsinx+xsinx A(x COS (2) 'sin'tdt=e"s sin'* (3)(1ogtdt=F(t)+C とおくと, d (x dx Jex F'(t)=logt A県始関 d 10gtdt=D(F(x)-F(2x) =F'(x°) 2x-F'(2x):2 =2xlogx-21og2.c Sro 合成に ぐ よって, 次の条件を満たす関数f(x)を求めよ.(2)はaの値も求め上 (2) ()dt=xe"+ 251 (1) (1-x))dt=S()dt (1) (1-xのd=Sxr()dt より。 Srod--Sr0a=rSy0d したがって, のd=x1oa 両辺をxで微分して, f(x)=2x),()dt ……0 2()dt=a(aは定数) 2 とおくと, ①より, f(x)=ax で, これを②に代入すると, =a a=) より,aは任意の定数である。 よって, f(x)=ax (aは任意の定数) (2) ()dt%=xe"+x\)at S)dt=k(kは定数) 2 とおくと、 ①より。 (t) dt=xe*+ kx .② とおくと, ①より,

答えを教えてください

Complete ond hove. A: How is your new job going? B: Pretty good. I (think) Erercise 29. Looking at grammar. (Chart 1 - 6) ;the sentences with the simple present or present progressive form of think think I am doing okay. 2. A: You look upset. What' s on your mind? B:I'm worried about my daughter. I (think) A: You look *far away. What' s on your mind? she' s in trouble. B:I(think) about my vacation next week. I cant wait! A: Hey, there! How' s the party going? B: Great! We (have) a lot of fun. 5. A: Could I borrow some money? B: Sorry, I only (have) a little *change on me. far away 心がどこかへ行ってしまっている "change 硬貨、おつり

至急です！！ 問1教えてください！お願いします🙇🙏

問題 次の英文を読んで, あとの問いに答えなさい。 I know Da successful player, who's been trying to achieve a greater challenge than mine." RogerFederer, one of the world's best tennis players, showed great respect to a Japanese tennis player. His name is Shingo Kunieda. He is one of the top wheelchair tennis players, and ②( for / ranked/ years /in/been/first / the world/ has/ many). Wheelchair tennis is ③one of the major wheelchair sports in the world. It has the status of an official sport in the Paralympics, and has as many tournament games as regular tennis does. ④その ルールは通常 スのルールとほとんど同じである, except for one thing. The players can let the ball bounce up to two times before returning it. Wheelchair tennis requires players to have the skills to control the wheelchair quickly and accurately, as well as the techniques of tennis. Players also need to pay careful attention to their body condition while they are playing. (1) 下線部①と同じ人物を表している7語の英語を本文中から抜き出して書きなさい。