（1）も（2）もわかりません。なんでk項がこうなるんですか？

3 n は自然数の定数とする。次の数列の第k項 an (1≦k≦n)を,kの式で表せ。 (1) (2n-1)2, (2n-3)². (2n-5)², 25, 9, 1 *(2) √n,2√n-1, 3√n-2,......, (n-2)√3, (n-1)√√2, n

カッコの中の単語を適切な形に直してください。よろしくお願いします。

3 Work in pairs. Complete the sentences with one simple past form and one past progressive form. (wait) for our food. 1 | (start) to feel very hungry while we 21 (not add) enough cheese while I 3 While we Aires, we delicious meals. 4 She on my plate while I 5 While we (make) pasta last week. (live) in Buenos (have) many (put) three more potatoes (not look). (watch) TV, I (decide) to order some pizza.

回答を教えて欲しいです。よろしくお願いします。

4 Work in pairs. Complete sentence pairs 1-6 with these indefinite pronouns. anywhere anything everyone everything nobody nothing somebody 1 I think was happy to eat pizza 2 again. = I don't think anyone was unhappy to eat pizza again. on our menu is vegetarian. = Nothing on our menu has meat or fish in it. 3 I didn't have 4 breakfast. = I had breakfast. to eat for to eat for said the food was too spicy. = I didn't hear anyone say the food was too spicy. 5 Can anybody help me wash the dishes? = I'd like dishes. 6 We couldn't find to help me wash the that sold vegetarian food. = Nowhere we looked served vegetarian food.

解答のような場合分けに至るまでの過程を教えてください🙇🏻‍♀️

| 2x+1|≤12x-1|+x

これが一番知りたいです！解説と回答出来ればどちらもお願いします

17 (a)〜 (f) の電子配置をもつそれぞれの原子について答えよ。 (a) (b) (f) 最小: (1) (a)~(f)の中で,電子配置が安定で,化合物をつくりにくい原子を選べ。 18. (2)(a)~(f)の中で, 2価の陽イオンになる原子を選べ。 (3) (a)~ (f)の中で, イオン化エネルギーが最小の原子を選べ。 左下ほどさい (4) (a)~ (f) の中で, 価電子の数が最小の原子を選べ。 (5)(a)~(f)の中で, 電子親和力が最大の原子を選べ。 +Ⓒ let. x+ 最小: :[

どうしてaの1/6乗が6√aよりもBESTなんですか

名前 さよ。 ただし, a > 0 とする。 (2) a½³×³ =Q5 <a-s (2) a = (3) {(25)*+*} ³ 16 a² xa 2 = a - = 6 V Best!! a) Better !! = 6a

中3英語 文法的に正しいのはどれが教えてくださいm(*_ _)m

1. I would like to joining the volunteer activity to help many people in need. 2. You had not better go out today because a big typhoon is coming. 3. Shall we going to the library to study for the next English exam? 4. I used to go fishing with my grandfather when I was a child. 5. You must be careful about your health, and so do your brother.

傍線部の範囲がどうしてこうなるか分かりません解決お願いいたします🙇‍♀️

** 極限の 計算 ex-etanx lim x→+0x-tan x 59平均値の定理を用いて,次の極限を求めよ。 360 平均 * (1) li x- *(3) li XC- ポイント 3 分数の式の部分が平均値の定理の式 f(b)-f(a) 361 f( =f'(c)1 b-a 辺の形であることに着目する。 lim f 81X 要事項 均値の定理 f(x)が閉区間[a, b] で連続一 明せ

SVのつながりが読めません😭どなたかわかる方解説お願いします🙇‍♀️

It is the bittersweet realization that history often repeats its darkest chapters that convinces many scholars that the peace that we enjoy today is far more fragile than it appears.

2(1)答え🟧 couldではダメな理由を教えてください🙇‍♀️ p2

) and new ideas ni alle [attract/body/energy/famous / good / unhappy / wanted] e e no229] Of roaas gnitiW yismmu 2 Complete the sentences by paying attention to the underlined part in Japanese. 1. 締め切りの3日前にレポートを書き終えることができた。 I could finish writing reports. Warable to finish (writing) my report O three days ahead of the deadline.