Grade

Type of questions

Mathematics Senior High

解説のやり方も理解できたのですが、自分のやり方でどこが間違っていたか分からないので教えて下さい🙇‍♀

0 aの新の 0-aー1=0 1を調たすが存在する。 第4章 三角関数 257 「158 15し遊す2 +acos-2a-1-0 より、 n9+cリー1を使って、 (1-cos')+acos0-2a-1=0 cos'-acosd+2a=0 cosd-t とおくと、 -at+2a= の また、0SSr より、-1S1 したがって、のを満たすきが存在するための条件は、が -11に少なくとも1つ実数解をもつことである。 すなわち、()-ピーat+2a とおくと、y=()のグラ フが区間 -1StS1で軸と少なくとも1つの共有点をも つことである。 (-1)と(1)が興許号のとき -1くくIに1つ、それ以外 つまり、(-1)(1)<0 のとき (-1)-1+a+20=3a+1 『(1)=1-a+2aーa+1 より,(3a+1)(a+1)<0 したがって、-1<a<- ル Tn Oだけで表す ( Siotacoo-a-1-0 C9-ac00+2a-0 C68-emeatt2a-0-0 『4-と 4-at-2a(tsosl 9-at-29 -(へ 1 com=t とおいたので、の 「の範囲に注意する。 aニール (セ)-(-Deaau 1-イ-)a a--3 よってas-1とり,これけ@nus に1つの解をもっとき () (-1)-0 または「(1)=0 のとき つまり、(-1)1)-0 のとき (1)より。 したがって、a=ー -1 (-1)と(1) が同待号のとき ()のの係数が正より、 2が -1SIS1 に実数解をもつための条件は、 (-1)>0 かつ(1)>0 かつ F(t)-0 の判別式をDとすると,D20 かつ yー(t)の軸が区間内 である。 tー-1 または=1 が解の とき ((はまとめて、 バー1)-)50 としてもよい。 Lyper6 イ-1<I<Iに2つの解(重解 を含む)をもつとき 0<ala 6: | って で fe alennle- (+eol パ-1)=3a+1>0より、a>-- (1)-a+1>0 より、a>-1 D-a-8a20 ょり。 D-a-pa20 ala-820 9E018EA m® ドちけちー イすわ ら 。 |a(a-8)20 となるとき aS0, 8Sa 雑は、=より、-1<号<1 つまり,-2<a<2 … したがって,3~6より、 くas0 よって、(i)~国より。 る の となま -1SaS0

Resolved Answers: 2
English Junior High

画像の問題の問4で、解答にはThat's interesting.と書かれていたのですが、私はI'm interested in the things you talked.と書きました。 私の解答は間違えになりますか? 教えてください(>_<;)

北海道 29 年度 市7 n 次の英文は,冬休み前の放課後, 優子が, 正月(New Year's holidays)について、 Ar 4 明1 本文の内容から考えて, のを,アーオから選びなさい。 に入る英語の組み合わせとして最も適当なも スミス先生(Ms Smith)と会話している場面のものです。これを読んで,問いに答えなさい (2) America ア(1) American Winter vacation will begin soon. Are you going back to America uoT euB gniesairipi2 ィ(1) Japanese ウ(1) Japanese (2) Japan (2) America (3) Japan (3) Japan Yuko: (3) America Ms. Smith? (2) Japan (2) Japan ェ(1) Japanese (3) America Ms Smith : Iril spend New Year's holidays in Japan for the first time. So, please tell me about the (1)] New Year. In (2)], we usually enjoy watching TV, eating dinner, and *relaxing with family on New Year's *Eve We call the day oomisoka. It's very different in my country. In (3), many families have a party that night, and welcome New Year's Day with the *countdown. The countdown in New York is especially famous. I've seen it on TV. I remember there was a big ball at the top of a オ(1) American (3) Japan と2 NC Yuko: 問2 本文の内容から考えて, に入る英語として最も適当なものを,アーエから選びなさい。 Ms. Smith: ア known イ met ウ gone エ eaten 問3 下線部にあるitの示す内容を具体的に表す英語として最も適当なものを,アーエから選びなさい。 Yuko: ア the countdown building in New York Oh, it's fall down along the *flagpole at the last minute of the year. When it finishes falling down, we say "Happy New Year!" In our town, we can listen to the temple bell just before New Year's Day comes. We call it joya-no-kane. New Year's Eve is also special for Japanese people. Well, how do you spend New Year's Day? We usually watch sports on TV at home *instead of going out. On that day, many Japanese people go to a shrine or a temple to *wish for something. a big ball ゥ the temple bell イ Ms. Smith: as The Ball *Drop in America. The ball begins to エ New Year's Eve Yuko: に,優子の話したことに対して興味·関心があるということを伝える英語を, 問4 本文の 主語と動詞を含む英文1文で書きなさい。 Ms. Smith : 問5 本文の内容に合うものを, ア~オから2つ選びなさい。 ア Yuko has decided to spend New Year's holidays in America. Yuko: イ People in Yuko's town can listen to the temple bell before New Year's Day comes. Ms. Smith : What will you wish for next year? ウ The big ball at the top of a building begins to fall down on New Year's Day. Yuko: I'll wish for my family's *health for one year. And after coming エ Yuko usually watches sports on TV at home with her friends on New Year's holidays. back home, we'll eat zouni together. オ Ms. Smith will go to Yuko's house to make zouni. Ms. Smith: Eat what? Zouni. I's a traditional Japanese soup we usually eat on New Year's Day. My mother cooks it with some *rice cakes, meat and *vegetables. 問6 次の英文は,スミス先生が, ぞうにを食べた後に書いた日記の一部です。 あなたがスミス先生 になったつもりで, Yuko: に感想を表す英語を2語以上で自由に書きなさい。 Ms. Smith :I want to try it. Is it difficult to make it? No, it's not s0 difficult. Let's cook and eat zouni with my friends at my house. My mother will show you how to make zouni. Today, I cooked zouni with my students at Yuko's house. I enjoyed cooking it very much. I want to try other traditional Japanese foods. Yuko: The zouni I ate there Ms. Smith: Oh, thank you very much! I'm looking forward to it. Ta besu w O Ob (注) relax <つろぐ (祭日などの)前日 eve countdown 秒読み fagpole 旗ざお rice cake (s) もち drop 落下 health 健康 instead of ~のかわりに wish 祈る vegetable (s) 野菜 w Bo ob (開費) 問題はこのページで終わりです。 山io am 山 0 00 emm o s boe 8 -

Resolved Answers: 2
English Junior High

一応解いたのですが、合っているか分からないので教えてください!

|5 次の英文を読んで, 1, 2, 3, 4の問いに答えなさい。 r Do you like dogs? Today, a lot of people have dogs. In Japan, in 2020, about 8,500,000 dogs lived with people. Dogs are the first animal people *kept, Then, when did people start to live with dogs? Some people think *humans started to do it about 15,000 years ago. *In those days, dogs were useful when people wanted to *hunt animals because dogs could the *smell of animals. When A dogs helped people, they gave them some *bones or *meat after *killing an animal. In this way, people had a good *relationship with dogs. Today, there are not so many people who hunt animals with dogs *as before. But dogs stil help people in other ways. For example, they help us as guide dogs or as hearing dogs. Guide dogs can help people who can't see things wel1. Hearing dogs help people who can't hear *sounds and voices well. If you go to *farms in Australia, you'll see dogs working with *shepherds to *control the *sheep. These dogs are people's good *partners. In *modern cities, T but some people still keep dogs. This is because dogs are not い B only useful animals but also our friends. [注) *human(s) =人間 *hunt =狩る *kept = keep(飼う)の過去形 *smell =におい *in those days =当時 *killing) =殺す *sound(s) =音 *bone(s) =骨 *meat =肉 *farm(s) =農場 *relationship =関係 *shepherd(s) =羊飼い *partner(s) =パートナー *as before =以前のように *control =管理する *sheep = sheep(ヒツジ)の複数形 rOne *modern =現代の rt 80 orl armond o 1 本文中の に入る語として,最も適切なものはどれか。 no02 amimom yal O A ア follow イ hit エ write bnn i ada noom sbear/T' mo omor Jog Bae ウ change he 2 下線部のイヌはどのようなことができるか。具体的に日本語で書きなさい。 3 本文中の B に入るものとして, 最も適切なものはどれか。 ア dogsare more useful than cats イ dogs are not difficult to keep ウ dogs are not as useful as before エ dogs are very popular 4 本文の内容と一致するものはどれか。 ア In Japan, in 2020, more than 9,000,000 dogs lived with people. イ Some people think humans started to live with dogs about 15,000 years ago. ウ There are many people who hunt animals with dogs now. エ People should keep dogs more because they help peoplealot.

Resolved Answers: 3
English Senior High

2番と3番どうやったらとけますか

メニュー ■料理のメニューを見るときは, 料理だけではなく料金にも注目します。 メニューを見て, 次の問いに対する答えとして最も適当なものを①~④から選びなさい。 MENU PASTA SALAD DESSERTS (Farfalle, Spaghetti, Linguine, Cavatelli, Ziti & Penne) $3.75 $2.50 Mixed Salad $4.75 Tiramisu Tuna Salad $7.50 Chocolate Cake Oil & Garlic $9.00 Grilled Chicken Salad $8.50 Ice Cream $2.25 Tomato Sauce $10.00 $11.50 $12.00 Sausage SOUP BEVERAGES Meat Sauce Minestrone $4.00 Cola $1.25 Chicken Soup $1.50 $2.50 Carbonara $13.00 $4.50 Coffee I Tea Lasagna $12.50 Cappuccino 1 How much does it cost to have two *lasagnas, three mixed salads, and four coffees? 0 $35.50 2$39.50 ③ $45.25 ④ $52.50 2 You had pasta, soup, chocolate cake and *cappuccino, and paid 18 dollars. What pasta and soup did you eat? の Tomato sauce pasta and *nminestrone ② Lasagna and chicken soup の Sausage pasta and chicken soup ③ Oil & garlic pasta and minestrone 3 Which meal below will cost you the most? O Sausage pasta, grilled chicken salad, and cola 2 Meat sauce pasta, minestrone, and *tiramisu のCarbonara pasta, tuna salad, and coffee の Tomato sauce pasta, mixed salad, and chocolate cake *lazá:njal Ikapati:noul Iminastróunil Itiromi:su:l Ika:rbaná:ral 答え 132333 品目数が多い場合には, 必要な情報にだけ印を付けたり, メモしたりして整理しておくとよいでしょう。

Resolved Answers: 2
English Junior High

画像の問題(4)で私の解答は間違えになりますか? 教えてください(>_<;)

One evening in April, Kumi and her mother were making aaM Shall we grow tomatoes in the *garden?" "That's a good idea," said her mother. Kumi looked at the garden through tomatoes and other *vegetables. You won't have to use a car so often," said Kumi. "Yes, Kumi." Her mother smiled. "Do you know how food comes to our kitchen?" asked her mother. Kumi thought for some time and answered, "Well, アーエが S)開認 人) s0 * salad. Kumi said, "We like *tomatoes and often eat them. S!t 2 night re *Besides, it will be good for our *health to og m'l,OB8BM",mir o bisa 1odisl e'osaalanrige veb nad u B09 Diee onanM "9 bsow She(knew say, mether, what, didn't, the environment ? b thud oe w Mom?" asked Kumi. 2 の VIGL qLIANIt jo. sp re sed to wented, her). d 90 d1 08 VedT 5 auodd blo 9aerla bad Ifita ew womlf'abibI wo bree oBe hasa boiteg obl o saeda To amids OY ob dadw onasM80日od nobo0w Ienoidib8 You isl aid Pr They are carried to the * supermarket by *truck. And ud w01Oideaup upV 19wans J'nno o1 les od aged on bu olgo9q ngierol yguoy owd w OBM.douul oh a a ore] mdT oBenM meda 1o snO" bute loodoa dgid ml0sasM ai omam v w 0bdas 0aeeiM eod oasd To dnidt uot ob Jad W mother asked again, "*By the way, food from the supermarket is usually *wrapped. Tondrlmodi Then her moune Teege em olbam a1oga TBOY benbrud omo nndt 9torm dlinid e19w 0sboow 989n0 山宮 ood way to *keep *meat and fish clean and to carry them easily. But there are many things that we u've do you think of don't have to wrap," answered Kumi. "Yes qo Sa mes from the things that once wrapped the foods. *As you see,*trash is *left in the kitchen after we cook. The trash luieoseg 8 lo gamsinog If we grow some vegetables in the garden, we don't have to wrap VOD loel beuceS 109ue dP o eavod soaq6t lenoidibs l irdauo0 mgietol most ot all Then we won't have so much trash in the kitchen. That can help our town," said her mother. them au an. うと0od lstoidihe sesrid To sottsiognt oilt bartsel evIbov tinrw yhole55oue ov'1 bisa osesM That evening Kumi learned a lot about the problems in our way of life. だ 市 Sagds Jeda daods osasM environment 環境 tomato(es) トマト garden 庭 besides さらに health 健康 * salad サラダ supermarket スーパーマーケット baxalor truck トラック 京の末 od neboow Innoidib8 keep ~ ~する前に 外御 boineg obg before ~ vegetable(s)野菜 さ運(車) ovinb * ~するように …を~(の状態)に保つ buosy sd by the way ところで wrap 包む meat 肉 as ~ 9otsogmi left leave (残す)の過去分詞形 bogeet用 a本 trash ごみ 外 odn9g さ wob baed as, and I'm yery proud of then Tike thase に入る英語を書きなさい。 rom toregu oountries sometimes ( さ 文英J きさ容内文本 暗 ) Bhe queatinn you ask me m 1) 下線部のが,どういう意味かたずねる英文となるように, auede What do yau s の中 mean ry YAu oes to, juo og png o 頭にくや野に thoge trad (2) 下線部のが,本文の内容から考えて, 正しい英文となるように,( )の中の語句を並べかえて書きなさい。 She didnt know Say whot her mather wanted to (3) 本文の内容から考えて, に入る英語として最も適当なものを,ア~エから選びなさい。土様 ア How イ Why ウ What When エ ナッbte 本文の内容から考えて, 次の問いに対する答えを英文1文で書きなさい。 y do people working at a supermarket usually wrap meat and fish? Berause it can keep Because it's a 90ad way ta 10 本文の内容と合わないものを,ア~オから2つ選びなさい。 them clean and to carry them casily. keep them clean and ta carry them easily. ア K

Resolved Answers: 1
English Senior High

専門学校の過去問を解いてみたのですが、回答がネット上にもなくて困っています。 みづらくて申し訳ないのですが回答はあっているか確認していただきたいです。 また、間違っているところが有れば正しい回答も教えて頂きたいです。

次の 1~10 ,の( 所定欄にマークしなさい。 )に入れるのに最も適切なものを1~4の中から一つ選び, その番号を解答用紙の 1 Iwonder ( )or not Tom will come to the party. 1. if 2. what 3, when 4.whether 2 Tell me about the rest.aurant( )you went t6.yesterday. 不完全 関心 O d フ 1.who 2,Ahat 3. where 4. whenever 3 My brgther promised ( ) smoke. not to 2. to not 3. to doesn't 4. doesn't to ちゅu t 4 Iremember ( )my uncle in Sydney when I was 10 years old, 1. visit 2. to visit Nisiting 4. visited C 5 Mr. Suzuki hgd his house ( Ne 4. to paint Shainted 1. paint 3. painting 6 Ihung a, calendar ( )the wall. 後納 4. with 1. gn 2. in 3. to 7ァ:9ジーをリP1ルたと思う? he moden ) reality. 「1 Kathy sometimes confvses fantasy ( 2. to 3. on 4. in 1. with せ話する tabe care cf my parents were away. 3.look 8\I had to ( ) after my brothers while 4. give 2. take look after ? 1. make )to Kenta's party. Maria is looking forward to ( 9 3. be invited 4. being invited 1. invite 2. inviting )as heathy as she is now. 10 If she hadn't played sports, she ( ちょいぎ 3. had been 4. hadn't been 2. wouldn't be 1. would be ]内の 1~5 の語(句)を並べ替え, 英文を完成しなさ 次の間 1~5 において, 日本語の意味を表すように, [ 11~20 II に入れる語の番号のみマークすること。 W。ただし, 解答は tinn (間1彼は一人で旅行できる年齢だ。 2 よく迷うやっ [1. by 2. enough 3. old 4. to 5. travel] 113 _4 125 by_himself vope He is [1. as 2. in 3. many 4. ten cars 5.were involved] 問2 10台もの車がその事故に巻き込まれた。 13 | 4_. 145 1.4の位置座 3 the accident. As 部屋をきちんと片付けておきなさい。 [1. be 2. kept 3. must 4. neat 5. room] 問3 5 153 L_ 162 4 and tidy. Your [1. hot 2. in my town 3. is 4. neither 5. nor] 間4 私の町の天候は暑くも寒くもない。 2 173 Y 18 1 5 cold. The weather 2,know 3.lives 4. 6.whose] 問5 私は息子がリバプールに住んでいる人を知っている。 【..a 5_ 20 4 Son I_2 19| 3. in Liverpool.

Resolved Answers: 1