なぜ目の最大値が4以下となる4^3通りを除くのですか？

z 411*3個のさいころを同時に投げるとき, 次の確率を求めよ。 (1) 目の最大値が5となる。 (2) 目の最小値が4となる。 要ばれた B|407

(3)の(i)を教えてください🙇‍♀️ 答えはP(-3,4)です。

座標平面上に直線 l: y= - +5 と円 N: a" + y=D 25 がある。lとNの 交点を座標が大きい順に A, B とする。 Bを通り, 傾きが7の直線を m とす る。mとN の交点のうち, Bと異なる点をCとする。 ふ II 20 19 18 (1) A, B, C のc座標は, それぞれ | である。 () 21 文茶 大学部 22 24 -T, AC = 25 △ABC = 26 (2) ZACB: 23 ニ である。 (9) (3) 点PはN上で2点 A,C以外を動くとする。三角形 APC の面積が最大と なるときを考える。このとき, (-"」.口) 27 (i) P の座標は 28 である。 u 自す iCto つには、 特に指示が のた上の 29 (i) tan ZAPC= である。 30 31 (ii) AAPC = 32 である。 ます。 2 んだ

この式の微分の仕方を教えてください🙇‍♀️

fr2)- 2215-2

場合の数の問題です。 (5)のみ分からないので、解説をお願いしたいです。 ちなみに答えは48通りです。

座標平面上の点に関して, e座標とy座標がともに整数である点を格子点とよぶ。 II 1Sm<4, 1SnS4を満たす 16個の格子点(m,n) から異なる3点を選ぶ。 このとき,選んだ異なる3点を結んで三角形を作れる場合に限り,その面積をS とする。 (C0分) ア (1) Sの最大値は であり,最小値は ウ である。 イ エ (2) Sが最大値をとるような異なる3点の選び方はオカ| 通りある。 まで解茶用紙の極 (3) 三角形を作れないような異なる3点の選び方は| キク| 通りある。 イウ、 の された Tれか一つに応するそれら (4) S=4となるような異なる3点の選び方は ケ 通りある。 (5) S=3となるような異なる3点の選び方はコサ 通りある。

教えてください よろしくお願いします！

|3 )内から適切なものを選びなさい。 (1) Cleaning robots are popular with people ( who / which ) are busy at work. (2) They use a robot ( which / whose ) voice is human-like. (3) The computer ( that / whose )I bought the other day is the newest version. (4) The engineers ( that / which ) invented the machine are still young. (5) Look at that ( flying / flown ) saucer. (6) This is an animated movie ( basing / based ) ona Japanese novel. (7) Yuki lives in a ( house painted white / painted white house ). (8) Spoken English is different from ( writing / written ) English. (9) Let's rent a movie ( featuring / featured ) Sakurai Sho as one of the main characters. 4 )内から適切なものを選びなさい。 (1)I heard my name ( call / called / calling ) at the award ceremony. (2) The teacher made his students ( do / to do )a lot of homework. (3)Isaw the children ( to cross / crossing ) the road. (4)(Walked / Walking )along the beach, I found some beautiful seashells. (5)(Written / Writing )in easy English, I could understand the story. 日本語に合うように, ( )内に適切な1語を入れなさい。 5 (1)私はこれらの古い漫画本を捨てる気にならないのです。 )away these old comic books. I don't( (2)この本は読む価値があります。 This book is (

2行目から3行目に行くのにどうなってるのかわかりません。

25(1) x-1+2(x-1) = (x-1)+2(x-1)? 6) = (x-1){1+2(x-1)} = (x-1)(2.x-1)

なんで6C2になるのですか？特に2の部分

377*正六角形の対角線の本数を求めよ。 ただし、 数p.24問26 司 もの 278*里子5人女子3人の中から3人の委員を選ごと

読書感想文で、原稿用紙5枚書かなければいけません。その本を読むきっかけ，あらすじ，感想，まとめなどはどれをどれくらいの文字数で書けばいいでしょうか？（原稿用紙は5枚目に入らなければいけません）

3,4,5を至急お願いします🙇‍♂️

A 次の英文を読んで質問に答えなさい。 (34 点) Dear brothers and sisters, we want schools and education for every child's bright future. We will continue our journey to our destination of peace and education. (1)No one can stop us. We will speak up for our rights and we will bring change through our voice. We believe in the power and the strength of our words. (2)Our words can change the whole world. Because we are all together, united for the cause of education. And if we want to (3achieve our goal, then let us empower ourselves with the weapon of knowledge and let us shield ourselves with unity and togetherness. Dear brothers and sisters, ()we must not forget that millions of people are suffeing from poverty, injustice and ignorance. We must not forget that millions of children are out of their schools. We must not forget that our sisters and brothers are waiting for a bright, peaceful future. So let us wagea global struggle against illiteracy, poverty and terrorism. Let us pick up our books and pens. (5They are the most powerful weapons. One child, one teacher, one book and one pen can change the world. Education is the only solution. Education first. Thank you.

問6，7を至急お願いします🙇‍♂️

Educational situation in Pakistan Why did she receive the Nobel Peace Prize? (1)It was because she was speaking up for the right of all children to have an education. Malala was born in a mountainous area in northern Pakistan in 1997. The area became Controlled by terrorists, a group of Islamic extremists. 2They did not believe that girls should receive an education and they destroyed many girls' schools. Asymbol of girls' education Malala wanted to study in school. () She thought that girls as well as boys should go to school. When she was eleven years old, she wrote on her blog about these ideas and her fear of the terrorists. Her strong spirit (40moved many people, and she became a symbol of girls' education. The terrorists did not like Malala's ideas. In October, 2012, she was (6)( shoot) by them while (6(ride) in a school bus. Malala almost died but fortunately was saved by doctors at a British hospital. Later, she started (m) (study) at a British girls' school Today she continues (8( work ) for girls' education rights. This is the beginning After (9(win) the Nobel Peace Prize, Malala said: “This is not the end of the campaign which I have started. I think (10)this is really the beginning. I want to tell other children all around the world that they should stand up for their rights.(11)They should not wait for someone else." AR 始 / (e よ