英検の英作文の添削をお願いします！！

I think many cbuildings will collect rainwater and then use : it in various ways. I I. have two reasons. Firstly, they can cut down costs. Thesedays, Utility bills is very expensive, so many buildings pay for it. If they can save rainwater, they will cost symall bills for water. Secondly it is good for environment to do it. Recently, It's short of water, so they should use water efficiently. Therefore, may buildings will collect vainwater to Save costs and protect environment.

(2)で底が一より小さいので不等号の向きが変わるのは分かるのですが、いつどのタイミングで変わるかがよく分かりません。どなたか解説お願いします🙇

202 第5章 指数関数・対数関数 練習問題 16」 次の方程式・不等式を解け . (1)(10g)+210g3x=0 (2) (logir)²-logir²-320 精講 t=logar という変数変換をすることで,2次方程式や2次不等式 に持ち込むことができる問題です.この変数変換では, には真数 条件により x>0 という制約がつきますが,こが x>0 の範囲を動くときに は, t はすべての実数値をとりうるので,tの変域には制約がつきません。 解答 (1) t=10g とおく. 真数条件より x>0 ….. ① (このときはすべての実数をとる.) 与方程式より,f2+2t=0, t(t+2)=0, t=0, -2 t=0 のとき logs=0 log3 = 10g33°⇔ x=1 t=-2 のとき logsx=-210g=log33-2⇔ x= r= -1/1 9 よって、x=1/11 1 (これらは ①を満たす.) (2) t=log} とおく.真数条件より 「x>0 かつ^>0」⇔x>0 …② (このときはすべての実数をとる.) 与不等式より,(10g/r)^-10g/x-3≧0 (logr)²-2logr-3²0 -2t-3≧0, (t+1)(t-3)≧0, t≦-1, 3≦t log}x≦-1,3≦log/ -1 logir ≤log (1), 32 (12) 11083(12) 10g/ log/ ≤ 底1/23は1より小さいので. I (21) (12) 2 ≧x 122, 121 8 ②とあわせて,0<xs/1/2≦x 8 31 O 8 _t=log/x 1 0<a<1のときは 不等号の向きが反転 する 2

重力の分解がこうなる理由がわかりません。 sinとcosが逆じゃないかと思ってしまいました。 教えてください、、！

0 2 mgsin 0 N 2 F mg mgcos O 2

15行目からどうしても訳せません。 訳教えて欲しいです🙇よろしくお願いします。

What would you do if you wanted to learn about something? A traditional way is to go to your bookshelf, pick up a dictionary or encyclopedia, and start turning pages. Now, however, you can turn on your computer, connect it to the Internet and start its search program. You just type in some keywords, click "search," and soon you will 5 have what you are looking for. 2 3) It seems as if anything you want to know can be found on the Internet. The range of information you can find on the Net varies from *gossip, to news, to the most advanced technological findings. Furthermore, the information is always fresh. New information is constantly added, past files are re-written, and *news reports are broadcast as they come in. 5) 3 What is being lost, though, is the joy of discovery. In many ways an Internet search is like a package tour. On a package tour, you generally know where you are going and see only what the *tour organizer has selected. Similarly, what you find in the Internet search is controlled by the site's owner or is the result of a computer program. On the other hand, turning the pages of an encyclopedia, as you look up an *entry, is more like wandering through a forest. You may accidentally find something interesting in the entry just next to the one you have been looking for. This may *stir up a new interest, which will eventually lead you into a totally different topic. 248 words>

酸化と還元です。 仕組みは理解したはずなのですが、全部解けません😭 総和が0になるように計算したいのですが、HやOが入っていない時はどうやって出すのでしょうか？ 文字の下に分かるところだけ数字を書きました🥹 お願いします🙏

All 間) 次の(1)~(3) について、 酸化された物質および還元された物質をそれぞれ化学式で表せ。 酸化されて質元された物 (1) Mg + H2SO4 MgSO4 + H2 還元→ OM G 18 (2) FeCl2 + Cl2 2FeCl3 57? (3) 2KI + H2O2 + H2SO4 0 -2 76-8 酸化→ 酸化→ K2SO4 + 12 + 2H2O -8 22 +2-2 また

なぜ②はウなんですか？

次は,高校生の真希(Maki) と, クラスメートの一郎 (Ichiro) 夕紀 (Yuki), そして,ベー コー先生 (Mr. Baker) との授業中の会話である。 英文を読んで 1,2の問いに答えなさい。 barbecue=バーベキュー grandparents = 12 (注) volunteer= ボランティア chance = Mr. Baker Hello, everyone. Summer vacation is coming soon. What are you going to do during the summer vacation? Maki, please tell us about your plans. : 1 I'm in the basketball club, and I like playing basketball and talking with my club members very much. We'll have more time for club activities during summer vacation, so I'll do my best to become a better player. That's nice. Ichiro, how about you? 2 First, I'm going to stay with a family in Canada for two weeks. I've never been abroad, so I'm very excited. Next, I'm going to work as a volunteer in the summer festival. I did it last year, and it was a lot of fun. Third, I'll work This year, I want to enjoy talking with people of different ages. hard in the science club. I'll be I'm very interested in all of these things. busier than last summer, but I'm sure I can learn more through these experiences. Yuki, what will you do this summer? Good. I can't usually do that because I'm very busy with school activities every day. During the vacation. I'll have a barbecue with my family at home. I'm also going to visit my grandparents with my family. They'll show us how to fish in the sea. From these experiences. I hope I'll learn a lot of things. Mr. Baker: Great. Thank you, everyone. I think you should enjoy events that you can take part in only during summer vacation. Summer vacation is a good chance for you to spend a lot of time with your family, friends, or many other people. I hope you'll have a lot of wonderful experiences this summer. Maki Mr. Baker Ichiro Mr. Baker Yuki : f

大至急 6の③の問題についてです。 私が書いた英作文を採点してほしいです！！ここはこうだからダメ、こう書いた方が良いなどありましたら、教えて頂きたいです🙇🏻‍♀️ よろしくお願い致します(＞人＜;)

(記入例) I will try me is B No because and important. I it I don't. is think 20 easy save for water 10

系統分析の問題なのですが、第2属で沈殿したCdSとSnS2を見分ける方法はありますか...？教えて頂けると幸いです。

= ナマコミの日 カスイキントニチ よ 1) CdS (黄) (黒) (黒) (褐) SnS2 (黄) HgS Cus SnS PbS (黒) 16 ここで大きかす。 ・完全 ④ HgS ろ液 Ⅰ OF Pb2+ Cu2+ ⑤ PbSO4 (白) HNO3を加えて加熱 101 酸性 22 -H2Sを吹き込む ろ液 ⅡI H2SO4 PERSTAX Cu2+ t [Cu(NH3)4]2+ (深青色) 十分なNH3水 1064

写真１枚目の英文の説明（写真３枚目）について。 要はこの説明、キメラ同士掛け合わせてできた子供（ES細胞由来の遺伝子ある）をまたさらにかけ合わせればもうそれは純粋なES細胞由来の生物が生まれるってことですか？前後の文も要望あれば記載させていただきます。

Lcells, she says. 17 A few years later Evans and his colleagues showed that they could produce live mice by injecting cultured ES cells into a developing 50 embryo. The result is a chimera, an animal whose tissues are a mix of T the ES cells and those from the host embryo. In many of those chimeras, the added ES cells by chance produce the animal's sperm or eggs, and when these chimeras mate, some of their offspring carry the stem cells' genes in all their tissues.

2、3行目の積分がわからないので教えてほしいです！🙇‍♀️

1 解答 問1.点Pが通過する道のりは 2 dy S√(dx)² + (dr)" dt = √(12t³)² + (12t) dt t=f''(121²)+(1 dt dt 15 togs = 12ft√²+1 dt tv = 12 [+/- ( ²² + 1)² ] 3 Jo =4 (2√2-1)････(答) 解 求め 1111 と