中2の数学の問題です。解き方がわからなくて、わかる方がいたらコメントお願いします🙇

3544点A(3, 6), B(5, 2), C(-2,-2), D-4, 2)があり、線分AB上の点と 線分 CD 上の点を通る直線の式をy=ax+b とする。 次の問いに答えなさい。 (1)定数αの値の範囲を求めなさい。 2進む 4下がる。 y=-2x. y=ax+b y↑ (3.6)=ax+b -4-2 50 6 2 2 O (-4.-22 -2 D (-2,-2) (2)定数の値の範囲を求めなさい。 軸との交点の最少、最大 一般 18 8 13 ●B(512) 5 H AB

2行目のallowはどういった使い方でしょうか...?allow A BでAをBに割り当てるという使い方と考えれば良いでしょうか...？

M The old must place their wisdom and experience at the service of 10 the young, yet allow the vitality, energy and enthusiasm of youth freedom of scope, while the young must respect and honor the achievements and practical sense of their elders and place their physical strength and vigor, while they still possess them, at the service of the continuing community.

(2)の四角の赤のところですが、なぜ青線全てを使わないのでしょうか？

次の式の展開式における、[ ]内に指定されたものを求めよ。 (1)(2x3x) [x® の項の係数] (2) (2x³-3x²) 1 [定数項] (1) (2x3x) の展開式の一般項は 5Cr (2x3)-(-3x)" 5Cr 25-(-3)". (x3)5-.x" 5C, 25-(-3)". x 15-3r+r =sCr. 25-(-3)" x 15-2(2) xの項はr=3のときであるから,その係数は 炒 (a+ 般項は ⇐x 3(5 +px 15- 5C3 22(-3)3-10x4x(-27)=-1080 art 5 (2)(2x-3)の展開式の一般項は +(a 般項 5C, (2x³)-(-3)=sCr+ 25-15-3(-)()( =sCr+25-(-1)x 15-3. 2r 15-3r x 2r =1 から X x 15-3x²r ゆえに 15-3r=2r よってr=3 3 したがって, 定数項は ゆえに +46C3.2²(-1) 2r p20 020, 720, p+r(ver なわち=3p+g-lのときで 40 5C3.2² (-1)=-10×4 × (-27)--2-(-) 5-2029 ⇐定 inf. 15- とし HONO 15 と

分からないので教えて欲しいです🙇‍♀️

Entrance Exam 否定表現 1. almost 2. I( 1()に入れる最も適切な語句を1~4から選びなさい。 1. I don't think David would make a good leader because he can ( difficult circumstances and tends to give up too quickly. 2. extremely 3. hardly ) go to karaoke, I go only once or twice a year. ) be expected to act honorably in 4. neither (明治大) (芝浦工業大 4. never 1. often 3. Unfortunately, ( seldom ) of the 1. a few 2. few 3. ever passengers escaped injury. 3. many (大阪学院大 推) 4. much 4. ( ) children are born with musical talent. (日本大) 1. none of 2. not all. 3. not every 4. no one 5. ( 2. No 1. as far as 2. far from ) of the workers accepted the director's proposal to cut bonuses. 1. Not 6. The future of English society looked ( 7. I didn't like the food at that restaurant. It was (. (東海大 3. Never ) promising in the 1840s. None (立命館大) 3. for far 4. too far ) delicious. (福岡大) 1. anything but 2. nothing but 3. without 4. out of 8. He was so drunk that he could ( ) walk. (大阪学院大) 9. 1. all 1. able 2. unable This train doesn't stop at ( a few 3. hard 4. hardly ) station. 大阪商業大推) 2. 3. little 4. every 2. few 12. " Can 10. The latest model of this mobile phone is ( 1. not seldom 3. all not 11. Before I watched the documentary, I knew ( 1. little à you come to the party tonight?" "( 1. Yes, I can ) easy to use. (獨協大) 2. not necessarily 4. ever not 3. seldom ) about life under the sea. 4. hardly (東京工科大) ). I have a lot of homework." (拓殖大) 2. Yes, I do 3. No, I'm afraid not 13. Japan has ( 1. a little 2. few 4. No, I hope not ) oil and therefore is almost entirely dependent on imports. (センター) 3. little 4. small

英検2級の英作文について添削をお願いしたいです🙇‍♀️ ご親切な方、良ければよろしくお願い致しますm(_ _)m

NO, DATE I don't think that Japan should accept more people from other countries. I have two reasons. First people from other countries have different culture. If they work in Japan, they have to understand Japanese culture. So, Japanese companys can not accept more people from other countries to work. Second, I belived that Japanese people prefer thing made in Japan to thing made, in other countries. Because, most Japanese people likes made in Japan. That's why, I don't think Japan should hire more foregin people. 84語

答え合わせお願いします🙇‍♀️🙏💦

Ⅱ. 次の英文の空欄 ( 11 ) から ( 20 )に入る最も適切な英単語を, 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。 2893 000 Lego bricks. (Image source: Wikimedia Commons-CC license) Car made from Lego bricks. Lego has unveiled its first bricks made from recycled plastic bottles and ( 11 ) that it hopes to include the pieces in sets within two years. The prototype 4x2 bricks have been made from PET plastic from ( 12 ) bottles with additives to give them the strength of standard Lego parts, and are the result of three years of ( 13 ) with 250 variations of materials. It has already ( 14 ) plans to remove single-use plastic from boxes, and since 2018 has been ( 15 ) parts from bio-polyethylene (bio-PE), made from sustainably sourced sugarcane. These parts are bendy pieces, such as trees, leaves and accessories for figurines. Tim Brooks, vice-president for environmental ( 16 ) at Lego Group, said the biggest challenge was "rethinking and innovating new materials that are as ( 17 ), strong and high (18) as our existing bricks and fit with Lego elements made over the past 60 years". He added: "We're committed to playing our part in building a sustainable future for generations of children. We want our products to have a positive ( 19 ) on the planet, not just with the play they inspire, but also with the materials we use. We still have a long 20 ) we are making." way to go on our journey, but are pleased with the Hillary Osborne, "Lego develops first bricks made from recycled plastic bottles", The Guardian, 23 June, 2021. (https://www.theguardian.com/lifeandstyle/2021/jun/23/lego- develops-first-bricks-made-of-recycled-plastic-bottles) (-)

黄色の部分で何故onが入るのかと、その違いを教えてください！ また、赤の部分について、基本的にSpringboks という形で出てきていたので、なぜsが無くなったのでしょうか？

After seeing Mandela's cell, the Springbok players were welcomed by the prisoners there, who were all black people. Fifteen years before, the prisoners there had been listening on the radio to the Springboks' game against a British team, cheering for the British team. Although the guards yelled at them to stop their cheering, they cheered on for the foreign team. these But now, prisoners looked delighted and even honored to meet the team members. Pienaar stepped forward and told them that the team was now representing the whole country including them. Hearing this, the prisoners began singing a song together for the players. The prisoners were trying to put the past behind them and look to the future where they could become friends with their old enemies. However, there was still a long way to go until

解き方教えてください🙇‍♀️

Ⅲ 原点(0,0)に点Pがあり、さいころを投げて点Pは次のように動 くとする。 さいころの目 1 TV (2)X=0 2,3,4 5, 6 さいころを3回投げた後の点Pの座標を(X,Y) とするとき,次の 確率を求めなさい。 (1) (X,Y)=(1,4) 点Pの動き方 y軸の正の方向に1だけ進む y軸の正の方向に2だけ進む x軸の正の方向に1だけ進む (3) Y≦2 (4) X≦2 かつ Y≦4 OF 5 (0.5) I

数B 統計的な推測 標本平均の分布の問題です 3枚目に赤線が分かりません どういう計算でこうなりますか 1枚目 問題 2、3枚目 模範解答

36 1271枚の硬貨を回投げて表の出る回数をXとするとき12/21 0.01 となる確率が 0.95以上になるためには,nをどのくらい大きくすればよいか。 100未満を切り上げて答えよ。

数B、統計の問題です！この問題の確率の求め方が分かりません、🥲教えてください、、🥲🙏🏻

2 当たりくじ3本を含む 10本のくじの中から, 1本ずつ2本引く。 引いた当たりくじの本数をXとす るとき, Xの期待値と分散を次の各場合について求めよ。 (1) 引いたくじはもとにもどす。 × 0 / 2 分母(C10C,=100 0のとき 7C₁7C₁ = 49 1のとき 30₁-7 C₁ = 21 2のとき 30₁ 30₁ = 9 (2) 引いたくじはもとにもどさない。