（2）の計算が合いません💦解説お願いします！

5 715 16 18 2023年度 数学 第2問 丼 1 / 20 サイコロを繰り返し投げて、 出た目に応じてエリ平面上をスタートの原点からゴールの直線x= k(kは自然数)に向かって次の規則に従って移動する。 27 (i) 目が1ならばり軸方向に+1, 目が6ならば 軸方向に目が2から5ならばz軸方 向に+1 移動する。 2,3,4,5 (ii) y座標が+2または2に到達した場合はコースアウトとして終了する。 とき、次の間に答えよ。 22 fit= 2 H₂ 27 2,3,4,5 (1) k=2のとき, サイコロをちょうど2回投げてゴールに到達する確率は 同じくコースアウトする確率は である。 27 ゴールに到達する確率は x する条件付き確率は 25 27 X8 16 ×84×27 [14 15:16] ×27×81 16.27 25-81. 17 [18:19 25 3 (2) k=4のとき, サイコロを3回投げてコースアウトしなかった場合, 4回目でゴールに到達 32 |23:24 25:26:27 である。 = × であり、 同じくコースアウトする確率は × € 25 である。また, サイコロをちょうど3回投げて 1 ( ( X. "THEN 27 25 27. × 京都先端科学大-推薦 Apm T ✓ ×27.81 1 21 12 13 9 No ・であり、 X *6 +1+ x 20 21:22 27 ta 1/5 216 217 w+\/ /* - 3 bom -10m -1pm -15

この問題なのですが、Aを選んでも、「派遣社員や非正規社員には、失業手当やその他の手当が支給されないことがよくある。」と通じると思うのですが、どうしてCなのでしょうか？

20. Temporary and informal employees are often not ( unemployment and other benefits. B. A. served seen C C. covered ) by D. figured

教えてください！

LE (2) 日本気象協会によれば, 今年の冬の一つの特徴は、いつもよりゆっくり寒くなるとのことだ。 According to the Japan Weather Association, one feature of winter this year is that ) (bica ) ( ) (a cinc) (*) (LGING) (1). 7. colder 1. grow to than usual np. the days abctice 15/6 10se les 5 fem 20 beyeur of men weupet phiqa (3) もうすぐ12月。 昨年同様今年もどのくらい師走の習わしをできるだろうか。 pe tipa abo OF HELSIORA PIES December is just around the corner. I wonder ( ( ) ( e comer price su pole o )( 7. able to 1. be r (0102 . of our usual year-end-traditions DE WOLG pat 132 Su 7. are growing qua to pct. railway workers NOLS ) this year as well as last year. H 7. for *. that . more 0000 (4) 駅員のいない駅が全国で増えている。 63pt of ( )( * )( )( )( ) ( e *. will 1. miss . the deadline how many ✈. we I. slowly ps ) ( byla. iniqh ( train stations . unattended greablest S OL CIGLE YOL ORDER or 9th (5) カレンは申込み提出期限に遅れないよう, もう一度カレンダーを確認した。 1STE (OLG Fite csep Lean pek u jeze 1022 (OLGE PETOIDE LEGE BLO Karen checked the calendar again()( )( )( )( )( * ) bicce Mexico CONIL Ver to a neums nob ( ) the application. (3) apoguty ) ( ) ( ) ( * ) I. observe #. will wings A ) around the nation. I. number are 2 TOLG2 Roop toe . she I. SO . wouldn't [2 (

赤線の変換がよく分かりません、、

■構造異 示す化 も低い。 ロ化す. たっぷ Do-fit. 1-K) おの1 =35.21 とこ た。 を与え c 高3入試問題演習 7 n(n≧2)人で1回だけジャンケンをする 勝者の数をXとして、次の各問に答えよ。 (1) kを1≦k≦nである整数とするとき, kinCh=1 を示せ。 n-1)である確率を求めよ。 X = 0, すなわち勝負が決まらない確率を求めよ。 (4) Xの期待値を求めよ。 (2) X=k(k=1,2, (3) (2) n! (1) knCh=k•• (n-1)! =non-1Ck-1. (n-k)!k! {(n-1)-(k-1)}!(k-1)! (1)2n人から1人のリーダーを含むん人のメンバーを選ぶ方法として, (i) n人から人のメンバーを選び, その中から1人のリーダーを選ぶ, (i) n人から1人のリーダーを選び, 残り (n-1) 人から残りの (1) 人の xンバーを選ぶ、 という2つの方法がある. (3)₁ (3)2 -= n° (i) nCk·kC₁=nC₁ n-1Ck-1 knCk= n*n-1Ck-1. P(X=k)=nCk*3C1 Cigat. (1≦k≦n-1) 3" P(X=0)=1-P(X-*)=1-1-1-C. k=1 =1-zer{(1+1)^-.Co-,Ca)=3"-1-2" +2. 手の出し方は次の3通り. 人で1回ジャンケンをするとき, この書き換えを in! k: MCK KO! n人が1種類だけの手を出す.... 3C1. しっかり考える。 い (ヒーリン (k-1), MIC

(2)の問題です どうしてこういう並び方になるのか教えてください🙇🏻‍♀️ テストが近いのでよろしくお願いします

u Auglish is a language spoken by many people. next to Riku is Tomakin [(2) The man sitting is famofit kind of food you like.

論理表現の問題を解いたのですが、写真の答えに自信がありません。どなたか丸付けしていただけないでしょうか？もし間違っていたら、ポイントも付けていただけると嬉しいです。お願いします。

2 10. It was because she was ill ( as 2 for P 11. I can't remember ( that 12. It's not ( 2 during 13. The First World War? What ( eighteen. 1 on world in the world that ) it was that I was supposed to tell you. 2 what 3 before this ) we go abroad that we realize how crowded Japan is. 2 until 3 by 4 while (福岡大) ) do I know about the First World War ? I'm only 16. There were very few people, if ( Dany (2) ever 18. What ( ) we cancelled our date. 14. What on ( ) is the matter with you ? space 2 world earth 4 way 15 Would you read this letter I've written in English and correct the mistakes, ( Cofit if any 2 if some 3 if something deadly radiation ? earth 2 on the earth 4 in earth 17. We can get serious diseases such as liver cancer, which, ( increasing at present. although (2) as about if anything hot a fool at all (3) a fool to a considerable degree ), who actually saw what happened. 3 many 4 not 3 even 4 for wrong 2. Gambling was by no means his only source of income. definitely X かわらず nevertheless X (立教大) (大阪程大) › hydrogen bombs were used to poison the atmosphere and expose us to (34 (2) at a great distance from a fool no more than a wise man (京都外大) (四天王寺国際仏教大) )? (大) ) rare in the past, are 次の各文の下線部に最も近い意味を持つ語句を、 下の①~④から一つずつ選びなさい。 1. He is far from being a fool. "B" 2 certainly not het u Ⓒinevitably (日本工大) (明治学院大)

英語の文法問題を解いたのですが、写真の問題の答えに自信がありません。どなたか丸付けしていただけないでしょうか？もし間違っていれば、ポイントも付けていただけると有り難いです。お願いします。

2 10. It was because she was ill ( as 2 for P 11. I can't remember ( that 12. It's not ( 2 during 13. The First World War? What ( eighteen. 1 on world in the world that ) it was that I was supposed to tell you. 2 what 3 before this ) we go abroad that we realize how crowded Japan is. 2 until 3 by 4 while (福岡大) ) do I know about the First World War ? I'm only 16. There were very few people, if ( Dany (2) ever 18. What ( ) we cancelled our date. 14. What on ( ) is the matter with you ? space 2 world earth 4 way 15 Would you read this letter I've written in English and correct the mistakes, ( Cofit if any 2 if some 3 if something deadly radiation ? earth 2 on the earth 4 in earth 17. We can get serious diseases such as liver cancer, which, ( increasing at present. although (2) as about if anything hot a fool at all (3) a fool to a considerable degree ), who actually saw what happened. 3 many 4 not 3 even 4 for wrong 2. Gambling was by no means his only source of income. definitely X かわらず nevertheless X (立教大) (大阪程大) › hydrogen bombs were used to poison the atmosphere and expose us to (34 (2) at a great distance from a fool no more than a wise man (京都外大) (四天王寺国際仏教大) )? (大) ) rare in the past, are 次の各文の下線部に最も近い意味を持つ語句を、 下の①~④から一つずつ選びなさい。 1. He is far from being a fool. "B" 2 certainly not het u Ⓒinevitably (日本工大) (明治学院大)

論理表現の問題を解いたのですが、写真の問題の答えに自信がありません。どなたか丸付けしていただけないでしょうか？もし間違っていたら、ポイントも付けていただけると有り難いです。お願いします。

2 10. It was because she was ill ( as 2 for P 11. I can't remember ( that 12. It's not ( 2 during 13. The First World War? What ( eighteen. 1 on world in the world that ) it was that I was supposed to tell you. 2 what 3 before this ) we go abroad that we realize how crowded Japan is. 2 until 3 by 4 while (福岡大) ) do I know about the First World War ? I'm only 16. There were very few people, if ( Dany (2) ever 18. What ( ) we cancelled our date. 14. What on ( ) is the matter with you ? space 2 world earth 4 way 15 Would you read this letter I've written in English and correct the mistakes, ( Cofit if any 2 if some 3 if something deadly radiation ? earth 2 on the earth 4 in earth 17. We can get serious diseases such as liver cancer, which, ( increasing at present. although (2) as about if anything hot a fool at all (3) a fool to a considerable degree ), who actually saw what happened. 3 many 4 not 3 even 4 for wrong 2. Gambling was by no means his only source of income. definitely X かわらず nevertheless X (立教大) (大阪程大) › hydrogen bombs were used to poison the atmosphere and expose us to (34 (2) at a great distance from a fool no more than a wise man (京都外大) (四天王寺国際仏教大) )? (大) ) rare in the past, are 次の各文の下線部に最も近い意味を持つ語句を、 下の①~④から一つずつ選びなさい。 1. He is far from being a fool. "B" 2 certainly not het u Ⓒinevitably (日本工大) (明治学院大)

133. xを求めてからの解答までの導き方はこれでも大丈夫ですかね？？

208 重要 例題 133 解が三角関数で表される2次方程式 -8.201+00 aを正の定数とし,0を0≧0≦を満たす角とする。2次方程式 2x²-2(2a-1)x-a=0の2つの解が sine, cos 0 であるとき, a, Sin, Cos 040 nie 020000 値をそれぞれ求めよ。 指針 2次方程式の解が2つ与えられているから, 解を代入の方針でなく 解と係数の関 係 を利用するとよい。 解と係数の関係から 解答 与えられた2次方程式に対し, 解と係数の関係から sin0+cos0=2a-1 ①, 練習 a 2 sin Acos0=- ① の両辺を2乗して sin²0+2sinocoso+cos20=(2a-1) 2 E&SHO sin²0+ cos20=1 であるから 1+2sinAcos0=(2a-1)2 これを解いて a sin+cos0=2a-1, sincos =) ( 200 TO BE しかし,未知数は3つ (a, sine, cos e) であるから, 式が1つ足りない。 そこで,かくれた条件sin²0+cos'0=1 も使って, a についての2次方程式を導き, そ を解く。 なお, sin0 または cose の範囲に要注意! (Coisc 200+ C²# AB これに ② を代入して -2.(-2)=4a² =4a²-4a+1 よって 4a²-3a=0 すなわち α(4a-3)=0 pos/3 a>0であるから a=² 4 このとき, 与えられた2次方程式は 2x2-x- -=0 すなわち 3 4 1+2･ cos+1+√7 x= 4 (2) また 0≦O≦xのとき, sin0≧0であるから sin0= -01-√7 <0<===>> 1+√7 8x2-4x-3=0 0805 S 解と係数の関係・ 2次方程式 ax²+bx+c=0の20 解を α, βとすると 2015 (8800 nia a+B==₁ aß= 1+√7 cos8=1-√7 4 21008305 30nia TAH sino+coso 0000 0 2000 ie$+0 nie =0 2000 miest 065070200 00 -2(2a-1) == 「複雑な方 2 を変更 E [□] 133(cosA>sin0,0 <6<²) で表されるとき,の値と sing ponia-0°niz) (0 200+aiz)=600+0'nia EVO (1 基本 sin' + ens' =1. 0 2000 mie 3130 右の大がかれた。 x= 8x²-2-2x-3=0 であるから 0 2±2√7 8 = 1+√7 4 2±√(-2)^2+8.3 8 2014 (17 SCOVER kは定数とする。 2次方程式 25x2-35x+4k=0の2つの解が in cos 082 ③83 084 085 HI

教えて下さると嬉しいです( •̥-•̥ )

A. Circle the correct answer for each question. likely to be jealous of someone. 1. You are more 2. Which do many people decorate at Christmas time? 3. Which are people more accustomed to? a. rich a. a feast b. a tree a. spending money b. receiving awards a. an empire b. a rifle a. an insect b. water a. help it b. ruin it 6. What would profit do for a business? a. excited b. confused 7. Which would people rather be? a. a contract b. a feast 8. Which would you invite friends to share with you? a. a recruit b. a contract 9. Which would you sign? a. being punished b. getting a reward 10. Which would few people enjoy? B. Complete the paragraph with items from the box. Two items are extra. Which of these is a weapon? 4. 5. Which of these flows? discovered resembled establishing rights faced status by Roy's s grief the rest of Many people change countries during their life, but one man has (1) (2) son and (10) heir took over This surprised people in the UK, who believed they had the (5) . Bates and (6) to leave the platform. However, Roy (8). in the sea to contain (3) that would be used to fight off invaders. After the war, the soldiers left these platforms and they were forgotten - until 1967. In that year, a British man, Roy Bates, one of the platforms and announced he had started his own country, (4) called Sealand. b. poor himself by his own country. During World War II, the UK built a number of artificial platforms made a name for weapons the people on the island (his family), (7) In 1968, a court decided that the UK had no power over Sealand. Just like other places with the that the platform was in international waters. to the platform. orders of a country, Sealand, has its own stamps, coins, and passports. It is controlled 'Prince' Michael, and is home to a large Internet business. 11 15 69