数学 高校生 1年以上前 (3)について質問です。sを求めるところまでは分かったのですがその後どうやってx,yを求めるのか分かりません💦どなたか教えてほしいです🙇🏻♀️ t=2のとき, ①は これを解くと すなわち s=1 s2-2s+1=0 (x, y) = (1,1) t=1のとき, ① は これを解くと s=0, -1 s2+s=0 すなわち (x, y)=(0, -1), (-1, 0) 以上から, 2x+3xy +2yは (x, y) = (1,1) で最大値 7, (x,y)=(0, -1, -1, 0)で最小値 -2 をとる。 未解決 回答数: 0
英語 高校生 1年以上前 Vision Quest Ⅰ の Lesson9-1 Try it out の①、②と Lesson9-2 Try it outの ① の答えが分かる方いたら教えてください!! Try it 下の語を適切な形で( にいれて、 英文や会話を完成させましょう。 1. The boy ( ) the red T-shirt is John. Next to him is my brother Bob. 2. "I'm sorry to have kept you ( 3. Three days later, the police found the ( ) wallet at the second-hand shop. ) so long." "Don't worry about it." However, they were unable to find the money in it. 4. The photo ( ) from the window upstairs was really beautiful. I hope I can live in such a house one day. steal take/wait / wear 2()内の語句を並べかえて, 英文や会話を完成させましょう。 1. We saw (her the street/her car / across / parking). She must be here somewhere. 2. "Did you watch the baseball game yesterday?" "Yes. It (an/ was / game / exciting)." 3. "Don't you hear something?" "It is (falling/rain/on/the/ the roof)." 4. My father (valuable / his /watch/stolen/had). He was really careless. 5. I (with them talking each other / saw) for a long time. They seemed to have a serious argument. 6. It was windy last night. We (all the windows/keep/to/ had / locked). 未解決 回答数: 1
英語 高校生 1年以上前 Vision Quest Ⅰ の Lesson9-1 Try it out の①、②と Lesson9-2 Try it outの ① の答えが分かる方いたら教えてください!! Try it ! vojas I woa ndalyasli ai si to tol a oodia neqat 下の語を適切な形で( )にいれて,英文や会話を完成させましょう。 boog a'd'T ST 1. The boy ( ) the red T-shirt is John. Next to him is my brother Bob. 2. "I'm sorry to have kept you ( so long." "Don't worry about it." ) wallet at the second-hand shop. 3. Three days later, the police found the ( However, they were unable to find the money in it. 4. The photo ( ) from the window upstairs was really beautiful. I hope I can live in such a house one day. mals aliup An steal take/wait / wear 2()内の語句を並べかえて, 英文や会話を完成させましょう。 1. We saw (her the street/her car / across / parking). She must be here somewhere. 2. "Did you watch the baseball game yesterday?" "Yes. It (an / was/game/exciting)." 3. “Don't you hear something?” “It is ( falling / rain / on the / the roof)." 4. My father (valuable / his /watch/ stolen / had). He was really careless. 5. I ( with / them / talking / each other saw) for a long time. They seemed to have a serious argument. 6. It was windy last night. We (all the windows/keep/to/ had / locked). 未解決 回答数: 1
数学 高校生 1年以上前 【不定積分・定積分】添付した画像のマーカーの引いてある部分です。atがなぜ消えるのか教えてくださいm(_ _)m 418 テーマ 定積分で表された関数 ca Del frio x Key Point [156] → f(x)=x2+2+xff(t)dt-Stf(t)dt から, 1 -1 S_f(t)at=a, Stf(t)dt=b とおくと (T) -1 f(x) =x2+ax+2-b よってf(t) dt 01 1 =S(t2+@t-2-b)dt =(*) Of =2√ (1² +2-b)dt 0 = 2√31/32 + (2 - b) t /1 -2(+2-6)=14-26 3 3 Stf(t)dt=t3+ at² +(2—b)t}dt == 2 1 0 = 1/a 3 at2dt=2 a <) 424 ゆえに 1/24 3 -2b=a, 2 a=b 3 4 これを解くとa=2,b=33 すると、 したがって f(x)=x2+2x+2/2 TS) 未解決 回答数: 1
英語 高校生 2年弱前 (C)に当てはまる単語を選び形を変えて入れる問題です。入る単語はlookで、回答はlooksでしたがなぜlookedがダメなのかが分かりません。理由を教えて欲しいです。 d times ir way in the early morning hours. Another concern has to do with the cost implications of delaying school start - an ever-present issue in the age of increasingly tight school budgets, and decreasing tax revenues. The move could lead to a range of initial up-front costs, with budget-watchers worried most ( 2 ) costs/associated with changing bus schedules and additional lighting for athletic fields because after-school activities would be pushed later in the day. However, our recently released research for the RAND Corporation ( B ) that delaying school start times to 8:30 a.m. could actually result in significant economic statewide benefits that would be realized within a matter of years. Over the span of about a decade, the United States could stand to make financial gains of around $83 billion if teenagers were able to get more sleep. In California alone the financial gains would be just over $10 billion. Within even two years, most states would break even in terms of the initial costs of the move versus the economic benefits. These gains are based on a macroeconomic model that ( C ) at two key effects of better-rested teens: improved academic performance and reduced motor vehicle crashes. In terms of academic performance, research published ( 3 ) the apt title 未解決 回答数: 1
英語 高校生 2年弱前 仮定法、過去完了辺りについて 私は had→have→過去→現在→未来 だと思ってるのですが この問題など後半はただの過去の分なのに hadになるのはどうしてですか? 過去のさらに前に起きた話はhaveで haveのさらに前に起きた話はhadで 書くと思っていました... 続きを読む 1261文 231 I wish I ( ) that guy from Tokyo for his e-mail a 第9章 仮定法 231~233 127 last night. asked 2 had asked (3) was asking 4 would ask 231.S wish + S' + 動詞の過去完了形 (仮定法過去完了) W ? ○ 過去の事実の反対を想定しているので、 Swish (that) S' + 動詞の過去完了形... の形 になる(→230, TARGET 35)。 last night 「昨夜」に着目すること。 ASS の Plus ask A for Bは 「AをBにくれと頼む」。 begoist KEY POINT 069 KEY POINT 069 S would rather (that) S' + 仮定法 / If only + 仮定法 未解決 回答数: 1
英語 高校生 2年弱前 英語発音教えてください。 3点) (1) social → certain Pronunciation & Vocabulary 発音 & ボキャブラリー D) 下線部の発音が同じ語を右の語群から選び、記号で答えなさい。 C ocean Track O (各2点) 41 (2) gene @ general b include ⑥ graduation Ⓒ design (3) knock @ kick ⑥knit keep ( CCC ) 未解決 回答数: 1
数学 大学生・専門学校生・社会人 2年弱前 <p><strong>Online Nursing Class Course Design Principles</strong></p> <p>In the rapidly evolving landscape of education, online nursing ... 続きを読む 未解決 回答数: 0