動詞の使い分けがわからないです😭

EXERCISE 20➤Looking at grammar. (Chart 5-6) Choose the correct completions. 1. The United States has have a population of around 325 million. an established and respected newspaper. a branch of mathematics. (2.) The New York Times: C:C/DC Caree 3. Statistics is/are 4. The statistics in that report on oil production :C:MKEKECRETKEY) incorrect.* 5. Fifty minutes is are the maximum length of time for the test. 6. Rabies (is) are an infectious and often fatal disease. The blind wants / want us to treat them the same way we treat everyone else. talking with people 8. French is are somewhat similar to Spanish, isn't it / aren't they? The French is are proud, independent people. 10. Does/Do the police have training in mental health issues? 1. Thirty dollars is an unreasonable price for that T-shirt. 12. Four hours of skiing provides / provide plenty of exercise. EXERCISE 21 ▸ Game. are (Chart 5-6) Work in teams. Choose the correct words (or numbers). Then complete the sentences with is or are. 1. The Scots /The Irish The English and Cambridge. 2. Statistics/Linguistics / Physics 3. Diabetes/Measles / Mumps 4. English / French / Afrikaans 5. People from Canada. called are famous for educational institutions like Oxford the study of the structure and nature of language. a blood-sugar illness. the official language of Namibia. Canadas/Canadians / Canadese. covered by water, but drinkable. 6. Approximately 60% / 70% / 80% of the earth only 1% / 10% / 20% of the earth's water 7. 312 x .5+ 100 227/275/256. 8. The United Arab Emirates/The Netherlands/The Philippines Hemisphere (i.e., north of the equator). in the Northern 9. Fish/Whales / Cattle not mammals. 10. Five hundred thousand + five hundred thousand ten hundred / one million / one billion. 11. Macy's/Harrods / Hudson's Bay a department store that began in London. *Statistics is singular when it refers to a field of study (e.g., Statistics is an interesting field of study.). When it refers to particular numbers, it is used as a count noun: singular one statistic (no final -s); plural = two statistics. For example, This

2階定係数線形常微分方程式についてです。 何度も確認しているのですが、どこが間違っているのかが分かりません。 答えはy=e^2x -x^2 +x だそうです。 見比べてみると同次方程式の方で間違えているように見えるのですが…確認しても自分ではわかりませんでした。 よろしくお... 続きを読む

(14 (1) y "-y' - 29 = 2x²-3, 410) = 4/10) 23. ・2 qqq xp qz n y-y'-2y=0 441268& N is ^-^-2-0 (2-2) (^+1)=0 F2-2-2-cie + (22 410/21 (1>CH+C₂ 4(0)=3; よって一般はg=c 2 * 1- 7 R2 1 57 2 6 9 2 2 2 g-y-2y=2x-3. 61-1-02 Yp = ax² + bx + cence Yp=2ax+b Jp = 2a 22-1-2. · 3 = - Cie " + 262e2x. 3 = -(1-C^)²+2c> e* ((--) X + C₂+ 262 3C2=4(C2=) 40x73 2a-2ax-b-2 (ax+bx+c) = - 2ax² + x (-2a-2b) + (za-b-2c)=2x²-3 EK Kex -7 -20=2 a= -1 -2a-2b=0 b= | 2a-b-2c-~3 C = 03 ·2· よってyp=-x+ 以上よりy -x Y xx e + z e - x 7x (n-2) (211). 20. 22-1 2:0 61762=1 "y" y " 2y = 0 2-2-2 -x 2x y = C₁e * + Cze²x y(0) = 1 (=cie + Ge" = C₁ + C₂ 2X 21 y = - cie² + 20² e² 1/10)=3. 3=-C₁+2C2. C1=262-3. 262-3+C2 = 1. 362-4 3.

プログラミングの問題です。以下の写真のように使うことの出来る変数が1つしかなく、かつ代入と複合的な代入演算子しか用いることができない場合、どうしたら良いですか😭わかる方どうか教えてくださいm(_ _)m

以下の実行結果のように, 整数を入力すると 32 +2 -1 の値を画面に表示するプログラムを完成させなさい.ただし, - 変数宣言を追加したり, 変更してはならない (使用して良い変数は x のみとする) - 使用可能な演算子は次に挙げる 「代入」 および 「複合的な代入演算子」 のみとする =, +=, -,, /=, q= 実行結果 1 x を入力> 3 32 実行結果 2 | を入力> -4 |39 実行結果 3 x を入力> 5 84 実行 停止 x を入力 > 採点 送信

一生分かりません。教えてください。フォローします。

Part 5 Incomplete Sentences A word or phrase is missing in each of the sentences. Select the best answer to complete each sentence. 15. This winter has been one of the coldest we. (A) are having (C) will have 16. I have had the same math teacher (A) by (C) since 17. By the time he reached home, he (A) would be (C) had been 18.1 in years. (B) had (D) have had two years now. (B) after (D) for soaked to the skin. (B) was being (D) has been (A) will try to get hold of Peter for over a week now. (B) have been trying (C) had tried 19. Yesterday, I came across a book which I (D) will be trying (A) been looking for (C) was looking for since I left New York. (B) looked for (D) had been looking for

大学の物理力学です 解法が分かりません。 解答と解説（公式も含めて）を教えていただきたいです

1. 鉛直上向きを+y方向、 x方向とz方向を水平方向とし、i、j、kはそれぞれx軸、y軸、z軸の 正方向の単位ベクトルとする。 質量mの物体をr(0)=xi-zokの位置から初速度v (0)=2vi+vjで投射した場合 について考える。ただし、重力加速度をgとし、 空気抵抗は無視できるものとする。 (a) 時刻tでの物体の位置ベクトルr (t)を求めよ。 (b) 最高点に到達したときの物体の速度ベクトルv」と変位ベクトル」をX、Zo、Vo、g、ijk の中から必要なものを用いて表せ。

❌の部分が全くわかりません。教えていただけないでしょうか？

Choose a suitable form of can, could, be able to, manage to or succeed in to complete the sentences. 1) The manager was somewhat reluctant but in the end I get a refund. : manage to 2) It was annoying; I get on to any of the websites you recommended. : could 3) When does the next match start? I : was able to X X hardly hear the last announcement.

この問題1.2.3.4の解き方がわかりません。

3 U= {x|1≦x≦10,xは整数)を全体集合とする。 Uの部分集合 4 = {2,3, 6, 7},B0C={3,4}, BnC={7,9,10}, BnC={5,6} について,次の集合を求めよ。 (1) An BoC (2) AuBuC (3) C (4) B

数IIの問題 （ 1＋x）^n二項定理による展開式を利用して、次の等式を導け という問題なのですが一体何をすれば良いがさっぱりわからず、、0をつくるのみたいな（？） どなたか教えていただけると助かります🙏

□10 (1+x)の二項定理による展開式を利用して、 次の等式を導け。 *(1) nCo+2C1+2 nC2+•••••+2"Cr=3" nCnC2 n 2 +- 22 (2) Co-C₁ + C²+(-1)". "C" = (1/2)" nCn 2"

この問題全ての解答教えて欲しいです！丸付いてるのは気にしないでください！

Let's Try! Part 5 空所に当てはまる選択肢を選びましょう。 1. We CheckLink ------- that gold is a sounder investment than stock or bonds due to the current currency crisis. (A) require (B) deliver (C) believe (D) press 2. Pacifico Company's new business plan looks like it will have a their revenue. (A) retiring (B) relative (C) collaborative (D) positive influence on 3. The noise of the construction in the warehouse was so loud that the client had to ------- himself three times before he could be heard. (A) recall (B) repeat (C) write (D) register tuo 4. The job which we had asked the technician to do was not done to our total -- (A) satisfaction (B) restoration (C) feedback (D) reference ------- to do in one operation. 5. The medical procedure used by the surgical team is too (A) sufficient (B) real (C) perfect (D) complex 6. It is imperative that the ------- be delivered before our client arrives at the office around noon. Too (A) package (B) manufacturer (C) mailman (D) currency aldesing (A) 7. The newly hired employee seems (A) previously (B) expensively capable of meeting our work expectations. (C) entirely (D) contrastively 8. The scientist's theory has been thoroughly tested and ------- to be reliable by many independent laboratories. (A) studied (B) proven (C) dedicated (D) combined (8) Frogs (A) aften med and

かっこの中が分からないです。

Exercise Task 1: Look at the following. What word goes into the space? The same word goes into the spaces for both sentences, a and b. 次の各文を読んでください。 空欄に入る単語は何ですか。 aとb、両方の文の空欄には同じ単 が入ります。 a. Jim presented her boss with a list of. s from the staff. 1) b. There is a lot of _______ for larger mobile phones. 2) a. Where do you do your grocery. b. Please put the __________ in the trunk. ? 2) 3) a. A short at the end of a paragraph can be better than 3). a long one. b. The judge gave the murderer a life 4) a. - generally starts in March in the Northern 4). Hemisphere. b. There's a natural on this mountain. 5) a. You don't need to the bell. Just come in. 5) b. Can you me on the telephone tonight? b. My 6) a. These books are Jane's ____. 7) a. We have a ________ to help each other. 8) a. Yuki often wears a straw 6) b. The realtor came to assess the value of the 7) is cleaning the toilets. in the summer. 8) b. I have to wear two _s, my teacher __________ and my researcher.