高一整序問題 教えてください🙏

She ( 1 better ) ( ) ( ) ( 2 is 3 far ) ( ) she was ten years ago. 4 off ⑤ than

(3)です。答えはf(x)＝x²-4/3x+2/3 なのですが どこが間違っていますか？

459 次の等式を満たす関数 f(x) を求めよ。 *(1) f(x)=x+Sof(t)dt *(3) f(x)=x2-x -xf(t)dt+2f(t)dt (2) f(x)=x

化学反応式の解説してほしいです

5. () Na +2 o " Na Off H.

313番の(1)で、答えにある+1がなんの数なのか分かりません。

□ 313 次のデータは、ある8店舗での1kgあたりのみかんの価格である。 ただし, αの値は0以上の整数である。 525 550 498 560 550 555 500 α (円) a 2℃である度 OFF 80C S JUCCIB (1) αの値がわからないとき,このデータの中央値として何通りの値があり 得るか。

なぜ赤線のように書いてあるのに、③が間違っているのか教えてほしいです🙏

Curious about this trend, I found a recent online survey conducted among 3,000 Japanese middle school students and their parents. The results were surprising. Nearly 50% of the students admitted (that they played video games after they were supposed to go to bed. More than half said (they tended to do their homework after playing video games. Far more boys than girls had played video games at home when they were absent from school. Additionally, most students reported that their parents never take away their games to control their playing time.

高二英語　at for の違い 黄色の部分のatとforの使い分けがわからないです、教えてください。

18:52 Thu Nov 20 study-support.net 5% 1. ELEMENT Lesson5-6~7本文と日本語訳 2. ELEMENT Lesson5-6~7重要事項の解説 1. To find the reasons, I set up a table at a large building and offered two kinds of chocolates-high-quality and ordinary ones. 2. There was a large sign,"One kind of chocolate per customer." 3. We also set the price of the high-quality chocolates at 15 cents, which was cheaper than the regular price, and the ordinary ones at one cent. 4. Our customers acted with a good deal of rationality: 5. they compared the price and quality of the chocolates and about 73% of them chose the high-quality chocolates and 27% chose the ordinary ones. 6. Next we decided to see how "FREE!" might change the situation, so we offered the high-quality chocolates for 14 cents and the ordinary ones for free. 7. We had only lowered the price of both kinds of chocolate by one cent. 8. However, what a difference "FREE!" made! O J 最近の投稿 You Tube 2ELEMENT Lesson 7-10-11 *X |和訳 2ELEMENT Lesson 7-7-9 *x |和訳 2ELEMENT Lesson 7-4-6 x |和訳 2ELEMENT Lesson 7-1-3 X 9. Some 69% of customers chose the "FREE!" chocolates, while those choosing the other decreased to 31%. |和訳 3. ELEMENT Lesson5-6- まとめ 【令和7年度】 中2Here We Go! Unit6 Part2 XR イオン ブラックフライデー 11.20(木) 30 ARLACK EDIDA >>>

(2)について質問です。 1番右の解き方はどこの考え方が間違えているのか指摘していただきたいです🙏 お願いいたします!

*160. 複素数平面上において, 複素数 Z1,Z2, Z3 の表す点をそれぞれP,Q,R とする. (1)P,Q,R が一直線上にあり,かつQが線分 PR を2:1に内分するとき 23-22 の値を求めよ. 151.3 21-22 (2) PQR が PQ QR: RP=3:45 なる三角形であるとき, を求めよ. 23-22 その値 21-22 (東北学院大・改)

(1)の解答4行目にk>0とありますがなぜk>0とわかるのでしょうか。

ようにしよ 方程式 sin20-ksin0+1/2=0(0≦)に ついて、解の個数が以下のようになるためのkの条件を求 めよ。 と (1) 4個 (2)3個 (3)2個

答えあっていますでしょうか😭😭 特に23番と26番が分かっていないです😭😭

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答えあっていますでしょうか🥲🥲

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