(a+b+c)(a²+b²+c²-ab-bc-ca) どのように展開していけばいいのか教えてください

数学Bの独立の確立についての質問です この表の全てのマスにおいて、そのマスの確率が縦の計の確率と横の計の確率の積に一致しているかどうかで独立かそうでないかわかると書いてありますが（例えば、桃の個数が1、梨の個数が0になるマスのところの確率は4/10、そのマスの縦の計のところ... 続きを読む

梨の 桃の 個数 個数 0 1 2 1 3 計 10 11 0 3/10 410 10 11 1110 1110 計 3/10 111 10 10 1 +10 4 510

52番の問題がわかりません詳しく教えてください

x+y_y+z_ x+x ☐ 52 = 2z == のとき、この式の値を求めよ。 2x 2y 例題 x+y+z=a, a(yz+zx+xy)=xyz が成り立つとき

解き方と解答を教えてください

練習 2次方程式 4x2+mx-3=0において, 1つの解が他の解に2を加えた 14 数であるとき、定数の値と2つの解を求めよ。

x=2/√5-1の時x^+xの値を求めよ という問題の解答にある両辺を2乗して4x^+4x+1=5の4xがどこからきたのかわかりません どなたか教えてください

√5-1 (1) x= より2x+1=√5分 2 両辺を2乗して, 4x2+4x+1=5 ..x2+x=1 S=

（3）の因数分解がわかりません詳しく教えてください

(3) a²(b-c)+b²(c-a)+c²(a-b)

The world's population is growing rapidly, and this trend will likely continue. Since there are more people in the world, there is also m... 続きを読む

what S is like とwhat is S like は同じですか？？ Sは主語です。

どなたか答え合わせお願いします🙇‍♀️🙏💦

Ⅰ. 次の太字の英単語に最も近い意味を持つものを,a~d. の中から1つ選びなさい。 解答 は解答用紙1枚目 (マークシート方式) の所定の解答欄にマークしなさい。 (1) opportunity a. charge b. choice chance d. check (3) criterion a standard b. criticism c. agreement d. sequence (5) compensation a. money given or received as payment for a loss b. mathematical statement showing equal parts c. event where people celebrate d. advantage given to only certain people (7) registration a act of recording information b. idea that leads to further discussion c. strong like or appreciation for another d. one part of a larger component (9) distribute a. derive from an original source b. make available to see c. hand out or deliver something d. be different from others (2) reject a. make illegal refuse to accept c. express support d. give an order (4) application formal request a 6. changed behavior official record d. expression of ideas (6) intervention a. event which results in the police arriving b. having the freedom to make decisions c. distance from front to back d. act of coming between groups in a dispute (8) density a. affection for someone or something X. need for food C degree to which an area is filled or covered d. state of ownership (10) circumstance a. outcome of an event b. addition that makes something better c. feeling or action in response to something d. condition or fact that affects a situation

英作文なんですけど、添削をお願いしたいです🙌🏻学校の先生にしてもらう時間がなくて明日テストなんです！お願いします🙇🏻‍♀️💭(字汚くてすいません)

次のTopic について、自分の意見とその理由を50 語程度の英文で書きなさい。 Topic :If you had an "Anywhere Door", where would you go? Topic 2: If you could travel in a time machine, when would you go to? Topic 3: Do you think more people will have pets in the future? 55 ☺ If I could travel in a time machine, I want to go to Heian Period. I have two reasons. First. I can watch Helankya. Sei Shenagon and Murasaki Shikibu. I like their essay. so I want to talk with them. For this reason. I want to go to Helan Period 54歳 0 If I had an Second. I want to meet "Anywhere Door", I want to go to Shizuoka. I have two reasons. First I want to eat Local gourment food like Fuzimiya-yakicabo, Second I want to watch the volley match of Hamamatushugakusha high school. But I haven't enough many to ge So I want to go to Shizuoka with anywhere door. ☺ I think more people will have pets in the future. It's because having And having pets make children's pets is good for education. emotions enriching. Also, pet helps relieve children's loneliness. So I think more people will have pete in the future Check! □自分の意見や考えを最初に述べているか。 □その理由を述べているか 理由に対する具体的な事例・事実を述べているか ( つなぎ言葉を効果的に使っているか。 □単語・文法の誤りはないか。 ) words