確率の最大の問題です 3枚目の解説ですが、 3≦k＜n-2となっていますが このn-2は何処から来たのでしょうか

・14 n,kを3≦k<n を満たす整数とする. 赤玉 が個、青玉が (n-k) 個入った袋から3個の玉 を無作為に取り出したとき, 取り出した玉のうち 2個が赤玉, 1個が青玉となる確率をp (n, k) と AGRON する. (1) p (n, k) を求めよ. 白衣の食の鍵じさん (2) nが3の倍数で6以上とする. n を固定し てんを3k<nの範囲で動かすとき, (n, k) の最大値とそのときのんを求めよ. (17 東北大(後) ・経)

三角関数の合成がよくわかりません、。🥲 教えていただけると助かります🙏

● 第1問 三角関数 指数関数 対数関数 【解説】 [1] π (1) cos 7/12 (0) sin 3 三角関数の加法定理により cos(+5) = 3 である. である. MA (2) 三角関数の合成により (3) (1)より π 3 π π = coso cos / sin Osin 75 = cos 0-√3 si 2 = 2 .0 T 3 2 cos0+ sin 0 sin0+√3cos0= 2 sin0+ 7 Cos 0-√3 sine=21 O =COS10 √√3 であるから, DA 2 (12/2 cose sine) - -2 cos(004) であるから, (2) の結果と合わせて, 点Pの座標は TC COS (007) - EVE)) 2sin0+ π 3 ^ 図1(a,b)=(0,0)のとき a sin+bcos 132 E14 for at と表せる. である 日 が 00号の範囲を働くとき Copy plagol から,点Pの描く図形Kは, 原点 0 を中心とする半径2の円周 $300< 7XML*6 π π 上の, 点 A (2cos , 2sin から点 B (2cos, 2sing) , √√3 NR 3 すなわち点A(1,√3)から点B(-√31) へ反時計回りに進ん」 だときに描く弧である. 1 SISUST¬ád A 三角関数の合成 π 3 04 +0A0A+ 1A = √ a² + b² sin(0+a). ただし,αは O 加法定理 cos(α+β)=cos a cos βsinasin β. b 70 31 を満たす角. Y COS Q= OS 2 E+ sina = 01 20.0 or 30 a² +6² foryof Y 2 1 a H/3 π -X a √² +6² b √a² +6²5 (a, b) a 1

ofが同格のofらしいのですが普通のofと見分けがつかないです。分詞構文があるのですがどこが分詞構文でどういう働きをしているのかわからないです。andがunawareからeducationまでとbarelyからsurviveまでを並列されている解説3のところよくわかんないで... 続きを読む

52 The idea of girls' attending school met strong opposition from adults in the village, where parents, unaware that urban societies encourage girls' education and barely od managing to survive, depend on their daughters to work.

ofが同格のofらしいのですが普通のofと見分けがつかないです。分詞構文があるのですがどこが分詞構文でどういう働きをしているのかわからないです。andがunawareからeducationまでとbarelyからsurviveまでを並列されている解説3のところよくわかんないで... 続きを読む

52 The idea of girls' attending school met strong opposition from adults in the village, where parents, unaware that urban societies encourage girls' education and barely od managing to survive, depend on their daughters to work.

日本語訳お願いします

9:21 < Lesson 5 Mental Toughness Section 4 * 4G 4 Use Imaging. Practice for failure. 83% Many champions use imaging. Imaging means visualizing the action you are going to take: shooting a basket or passing a football. Imaging is not just making pictures in your mind. It also involves hearing, feeling, and thinking. Emily Cook, an Olympic skier, used imaging. By imagining the smell of the snow, the wind on her neck, and the roar of the crowd, Cook increased her focus and confidence. She says, "You have to hear it. You have to feel it, everything." |連続 -X Nicole W. Forrester, an Olympian and eight-time Canadian high jump champion, spent hours imaging what she wanted to do. She would even create bad scenarios that could occur,

黄色の線を引いている文の文型を教えてください。 文型むずすぎて困ってます🙇🏻‍♀️՞

Japanese would probably answer work." However, many Swedes just do their work for the purpose of enjoying their leisure. We can see in the cartoon on the next page the different ways of thinking/5 about work. The Swedes say that they do their work so that

答えは1ですなぜですか？3ではダメなんですか？

Section 10 38 Next week, our meeting ( ) on Wednesday instead of Friday. 718/ < 1 will be held 2 will hold O youtseb Sa+ 3 will have held will be holding desback tesh & alteso sili to risul (南山

Q＆Aの問題を教えて欲しいです！ よろしくお願いしますm(*_ _)m

10 breakdancing. The first dance is the hula in Hawaii. It comes from the indigenous religion there. In ancient Hawaii, people showed their respect for gods by dancing. They also danced to pass on important values from generation to generation. That was because they had no formal writing system at the time. In other words, the hula was more than a leisure activity. In the hula, dancers use their hands to express G emotions and things in nature. The dancers believe that they can communicate various messages through 15 the hula. 5 How did the hula begin There are many dances around the world. Each of them has a unique background. Here, let's look at three styles of dancing: the hula, Irish dance, and フラダンスを踊るハワイ先住民の女性 ( 1938年) & A 1. Does each of the dances have a unique background? 2. What did people in Hawaii show by dancing? 3. What do hula dancers believe? 8 pass on ~ ~を伝える 8 from generation to generation t 10 at the time background [bækgraund] hula [húzlə] ◆Irish [áirifl breakdancing [bréikdansin] religion [rilídzən] ancient [éinfant] ) generation [dzènəréiſn] leisure [li:zər] » TF 1 2 • text • new words OXXO 3 10 writing system <H

それぞれの回答を教えてください

○区切りごとに意味をとりながら、 音読しよう。sinondai lgme od aid to fish s ei eqneb adT goingiqe bood There dows aevom pitadors There are many dances / around the world. // 2 Each of them / has a and 90 FOR O unique background. // 3 Here, / let's look at three styles of dancing: / the mod as gaisableng da ai maitinummes [waohalvtin duo w hula, / Irish dance, / and breakdancing. // z eu u to orn ini beragaeil neftor pansy roewted siden, eveb seeds alto core 4 The first dance is the hula / in Hawaii. // It comes from the odTgoituloa taon sa eredi li sevisament booles eredmom m indigenous religion there. // In ancient Hawaii, / people showed their brewreftĄ Lidge to reaniw odt ao obiseb of gaisanbodsord een of aage respect for gods / by dancing. // They also danced to pass on important aipasbaleend.vebor 20 di esoros telugog omesed vleubars eodebe values / from generation to generation. // That was because they had no blow edi bauro y a STI Activity formal writing system / at the time. // In other words, / the hula wa adrid riedsfei prutlus up edt diw beta a C OR E CAR more than a leisure activity. // we ai gained engilegt has enabi nigdt beseerxe axed algeoqueado 10 In the hula, / dancers use their hands / to express emotions / an .noitsoinummos messages through the hula.. things in nature. // The dancers believe that they can communicat various messages / through the hula. // ... The next example is Irish dance. It is famous for the dancers' qu |

ポイントを読み取ろうの回答と内容を確認しようのそれぞれの回答があっているかの確認をお願いします また、解けていないところの回答を教えてください

◎区切りごとに意味をとりながら、 音読しよう。 91 Tier) baworla olqooq .BWEH Jasions al Inorges to ove_ _____ The next example is Irish dance. // It is famous for the dancers' backgranarodi in Morave ods to Mojave gather tool ( quick steps. // 1 8 5 2 dancing 2 11... saunood ei jedT T& JedT TANENTLAIS 3 This dance dates back to the 16th century. // 4 In those days, / Ireland TOUL was a colony of England. // 6 People there were not allowed / to perform for gods / by iviton val slud eft,abrow 19dto nl their traditional music or dance. // 6 As a result, / Irish people quietly sang their songs / indoors / and created a new way of dancing. // In the dance, / 9m ei 9H an a leisure, they did not move their upper bodies. // They only moved their legs. // In the hula, / da 9 Thus, / when someone outside looked through the window, /the person ISLATUR Ne! 349 $MMS could not tell / if they were dancing. // 19v0oeib stasinummer 05 G 8291qx9 T GEO basterebau 10 Irish people tried to protect their tradition / by stamping their feet / to 入れよう。 resistance / against England at the time. // SiewsH Insions ni hoides 2 THEOX! their own music. // The dance shows Irish people's quiet / but strong (er) Soonebelgoog sipas edt bib vdW (I TIN LÀ ugumos sol beau gnione w W (S