Check It Out の問題があっているか教えてください。添削して欲しいです。

Model Read the article on the connection between technology and life. While many parents think that smartphones are not good for students, smartphones can actually help them work more efficiently. 2 For instance, students can use smartphones to easily keep in touch with one another. 3 This is especially important when they are working together on school projects. 4 In such situations, students often need to arrange meetings, and smartphones can help them do that. 5 Another example of how smartphones can help students is through the use of schedule "applications. These applications help students organize their work, so they remember when different "assignments are due. These are just a few examples of how smartphones can help students. 6 "application 771) / assignment. Check It Out QO What is the writer's opinion on smartphones? Is it positive or negative? Q2 How many examples does the writer give? Q3 What does the writer say are the benefits of smartphones?

Q3が分からないので教えてください。

Model Read the article on the connection between technology and life. While many parents think that smartphones are not good for students, smartphones can actually help them work more efficiently. 2 For instance, students can use smartphones to easily keep in touch with one another. ³ This is especially important when they are working together on school projects. 4 In such situations, students often need to arrange meetings, and smartphones can help them do that. 5 Another example of how smartphones can help students is through the use of schedule "applications. These applications help students organize their work, so they remember when different "assignments are due. These are just a few examples of how smartphones can help students. 6 7 "application 771) / assignment . Check It Out QO What is the writer's opinion on smartphones? Is it positive or negative? Q2 How many examples does the writer give? What does the writer say are the benefits of smartphones?

この問題の(4)なのですが、 I will try anything faster than any other student in my class. どんなことも他の人(クラスメート)よりも早く挑戦する と解答したのですが、あっていますか？ 添削お願いします。

19 ハルナ(Haruna) がヒューズ先生 (Mr. Hughes) と話をしています。この対話文を読んで、 [1]~[(3) に入る最も適当なものをそれぞれあとのア~エのうちから一つずつ選び、その 符号を書きなさい。 また、対話文の内容に合うように、 (4) に入る言葉を英語で書きなさい。 ただし、語の数 は10語程度(.?! などの符号は語数に含まない。) とすること｡ Haruna Mr. Hughes, do you have time ? Mr. Hughes Of course. Do you have any questions? Haruna:Yes, at the end of the class, you said, "Be the first penguin." (1) Mr. Hughes: All right. You know penguins, right? Penguins are birds that cannot fly but car swim in the sea. Haruna Yes, of course. I have seen them in an aquarium. Mr. Hughes : Some people say that there is no leader in the world of penguins but that is not true. When they catch food or run away to a safe place, one penguin moves first, and then the rest of them (2) Haruna Mr. Hughes: Wow, that's very interesting. For example, (3) | to jump into the sea to catch food because there is sometimes danger in the sea. But when one brave penguin jumps into the sea, all 0000/r

わからないので答えを教えてもらいたいです。

英語 Amy: Hey Jake, I was thinking about online shopping this weekend. Do you shop online often? Jake: Yeah, I do it quite a bit. It's so ( house and you can ( ) almost anything online. That's true. I love the convenience, too, especially with a busy schedule. But I've heard there are some downsides to it. What do you think? Well, one obvious downside is not being able to ( ) or try the product before buying. Sometimes, what you see on the website isn't exactly what you get. Amy: Yeah, that's a good point. I've had a couple of instances where the color or size was ) from what I expected. ( Another thing is the shipping time. Even with express shipping, you might have to ( ) a few days for your stuff to arrive. It's not great if you need Amy: Jake: Jake: Amy: Amy: Jake: Jake: Jake: something urgently. True, waiting can be frustrating. But what about the ( that sometimes the prices are higher online. It depends. I've found some great deals online, especially during sales. But you're right; in some cases, the prices can be a bit inflated, and you might end up paying more than if you bought it in-store. Amy: And returns can be a hassle, too. I had to return a shirt once, and the process took forever. It's not as easy as just going to a store and returning it on the spot. Yeah, returns can be a pain. Also, there's the whole security issue. You must be careful about where you're buying from to avoid scams or stealing your ( ). Amy: Oh, definitely. I always make sure the website is secure before entering any payment details. 日本語 L ), you know? No need to leave the On the bright side, online ( ) can be super helpful. I always check them before making a purchase. It gives you an idea of the product's quality and whether it's worth the money. Amy: That's a good point. I do the same. It's like having the opinions of a bunch of friends who've already ( ) the product. Jake: Exactly. So, while there are some drawbacks, I think the ( ) of online shopping, like the convenience and variety, outweigh the ( ) for me. Yeah, I agree. It's all about finding a balance and being cautious about where and what you're buying. )? I've heard

この問題の（2）なのですが、固有空間が先生の答えと入れ替わってしまっています。 このまま計算しても問題ありませんか？

行列の対角化解答 1. (1) A= (2-2) 7 16 3 BgA(t) = (t-1) (t~4) 固有値入=1,4 BAHW (1:A) = span [ (1)] W (4:A) = span [ (²) dim W (1A) + dim W (4:A)` /+/ 2 Aは対角化可能 P = ( ₁² ) etice P²= (72) PAP = (14) (2) A = ( -30 A = ( 13² - 12) 5-12 B\\ J₁ (t) = (t+2)(t−3) 固有値入=12,3 DAGH W(-2A) = span [(?)] W(3;A) = span [ (³)] din W (2=A) + dim W(3=A) /+/ 2 3. A FÁE 2 3 P= ( ² ; ) Lack P²= (^_^) とおくと (713) PAP (3) = A = 20 (23) 03 (4) 2-12 BþÑÃI) JA (†) = (t+1) (t-1)² 固有値入=-1,1 222-1. dim W(-1A) + dim W(1-A) = / +/ = 2 < 3 W(-1: A) = span [ (+;)] W(1=A) = span [(!)] ・Aは対角化可能でない A = 6 342 -8-4-3 固有多項式gA(t)=(りる 固有値入=1, 3 2

わかりません

Step 2 1 次の各文の 1. Tom |内に入れるのに最も適当なものを、一つずつ選びなさい。 be living in London now; he moved to Tokyo two months ago. ② would 3 can 4 cannot (愛知工大) ① ought to 2. After a lot of practice he was ① able ② easy 3. Under the circumstances it ① might to understand spoken English. 3 good ④ possible ought 4. I promised that I would lose weight, so I ① don't have to ② must ③ have You must not ③ No, you have to 7. Miki and her family no answer. ① could go be best to wait for a few weeks. needed ④ seemed 5. The room is full of gas, so you ① didn't ② needn't 6. A: Do I have to finish this work today? B: must be strike a match. ③ couldn't ③ should go eat snacks between meals. ④ mustn't ④ mustn't (センター試験) would be ② No, you may not ④ No, you don't have to lout of town. I have called several times, but there is (東京経大) 10. 彼女は長い間歩いておなかがすいているにちがいない。 She (be / after/ hungry/must/ walking) for a long time. (芝浦工大) (日本大) Notes, 8. performance 「演技,芸当 」 3. under the circumstances ｢そういう状況では｣ 9. unlike ... 9. in time 「間に合って (治療が可能な段階で)」 「…..と違って」 (近畿大) 2 ► ( 内に与えられた語句を並べかえて文を完成させなさい。 8. Monkeys learn tricks (give great performances / they will / that / be able to / so easily) in a short time. (名古屋工大) (南山大) 9. 他の病気とは異なり,ガンは適時に適切な手当てをしても治るとは限らない。 Unlike other (be/by/cancer / cured / diseases / may / not / proper) treatment in time. (金沢工大 ) Par 1 ( 大阪学院大 ) 文法編 7

数Ⅱの積分の問題です 教えてください！！

3 解答を解答用紙 (その2) の 3 欄に記入せよ、美 次の等式を満たす関数f(x) を求めよ. (100) x² f(x)= x - 2f\f(t)\ dt

【途中計算】ここの途中計算が意味がわかりません。どうしてこんな変形してるのかわかりません．紫線の部分から意味がわかりません。わかる方教えてください

395 磁界を斜めに横切る導体棒 鉛直上向きの磁 束密度B[f] の磁界中に、右図のように導体でで きた2本のレールが間隔 [m] だけ隔てて置かれて いる。 レールは水平面に対して⑥[rad] だけ傾いて いる。レールの端に起電力 [EV] の電池E と抵抗 [値R[Ω] の抵抗Rが右図のようにつながっており P レール上に質量m[kg] の導体棒PQを静かに置くと、導体棒は水平を保ったままレー Imag 2 ルに沿って上昇していった。 重力加速度の大きさをfa/s'] とする。また,R以外の抵 抗および摩擦はないものとし、回路を流れる電流がつくる磁界は無視する。 (1) 導体棒 PQ が上昇するための起電力Eの条件を求めよ。…、 (2) PQ の上昇速度は、ある速度に近づいていき, いずれ等速度運動になる。このとき の速さを求めよ。 A (3) PQの運動が等速度運動になったとき, 単位時間あたりに回路で発生するジュール 熱は,電池が単位時間あたりにする仕事の何倍か センサ 131132 162 すこ コメン の土日 E AUR い ↑ B

これなんですけど、仕事に秒数かけたのが、ジュールじゃないんですか？なぜ、式が同じなのに別々になるのかわかりません

[L][A]が右図] うに正負をとるものとする。 DESCORTLURY 395 磁界を斜めに横切る導体棒 鉛直上向きの磁の 束密度B[T]の磁界中に,右図のように,導体でです (ym) 7 E きた2本のレールが間隔 m〕 だけ隔てて置かれてる いる。 レールは水平面に対してOrad] だけ傾いて ↑B いる。レールの端に起電力 EV] の電池Eと抵抗 値R[Ω]の抵抗Rが右図のようにつながっており、 see -1- Y P&N レール上に質量m[kg]の導体棒PQを静かに置くと、導体棒は水平を保ったままレー 2 ルに沿って上昇していった。重力加速度の大きさを とする。また、R以外の抵 /s'] 抗および摩擦はないものとし、回路を流れる電流がつくる磁界は無視する。 (1) 導体棒 PQ が上昇するための起電力Eの条件を求めよ。 PCの上昇速度は、ある速度に近づいていき, いずれ等速度運動になる。 このとき の速さを求めよ。 (3) PQの運動が等速度運動になったとき,単位時間あたりに回路で発生するジュール 熱は電池が単位時間あたりにする仕事の何倍か 131132

中3です質問の答えが分かりません教えてください🙏💦

G Gand dought didn's should keep buynig ④ The Salt March showed a new way to fight against discrimination. (2) 次の質問に英語で答えなさい。 (P.76の内容です。 本文の語句を使い、 自分で考えて書きましょう。) ① Why did Indians in South Africa stand up against the law? A: A: ③ Why did the jails in South Africa become full of Indians? A: A: (下) What did Gandhi decide to do when the British made a law that was even more unfair to Indian people ? What did the success of the movement Gandhi led in South Africa show? success=成功 led=leadの過去 (3) P.77,6行目 Gandhi thought it was unfair. の it の内容を具体的に日本語で説明しなさい。