期待値と分散の式が何故こうなるのか全く分かりません。

【ii】 ]から6までの目が出るサイコロ2個を同時にふり, 2個のサイュ 邊の和を※とする。このとき, 次の各間いに答えよ。 間 が3の倍数になる確率は,( 1 )である。また, Xが3の信 、 あるという条件のもとで, 2個のサイ コロの日の差が5以上で』 > ( 2 )である。 和 の

答えがこうなるんですけど何故ですか。。

【 2】次の各問いに答えなさい。 (① 次の 1 表は, 1から16までの自然数を規則的に並べたものでぁぇ。. この 1 表に示されている1から16までの自然数の並べ方にしたぶな。 NII6 9 と目欠人NNくものとする。また, 検に 並んだ数を下から1段目, 2段目, 3段目, …とし, 縦に並んだ数を 左から1列目, 2列目, 3列目, …とする。このとき, 娘段目のぁヵ列目 の数を, を用いて表しなさい。ただし, =とする。 (結果のみ 償拓8

Tom did his math homework yesterday の、yesterdayをaround nine に変えた過去進行形はなんでしょうか？教えてください🙏

最後の〜になる理由わかる方いませんか？

【4】OA=0B=1。 AOB三90 であるへOABがある。 辺ABを2 : 」に内 分ずる点をC。また, 直線0Cに関して点A, Bの対称な点をそれぞれA Bとする。0A= 4, OBニ ? とするとき, 次の])ーG)の各問いに答 えよ。 ただし, Q①については, 答えのみを書け。 (①) OA/。 0B'をそれぞれZ, 7 を用いて表せ。

空欄の部分を教えてくださいm(*_ _)m

ーーコー ーー @》 週語補充・ くくくくoo ①一⑬③)は日本文に合う英文を完成しなさい。 (④は同療文を完成しなざい。 ) 明日は雪が了る予定です。 る未来の予定を守ず立 ie rs ( MR ) snow tomorroW. (2) 私たちは来週パーティーを開くつもりです 未来を表す語句 ! 4 0/ We ( ) have : ry next week. (3④) ジョンは今夜. 早く帰宅するつもりはありません。 John ( ) going to come home early tonight. “= (?④) Were not going to stay here. 。、 ee因 ーWe ( ) ( り記nGre の 周答完成 ーー ーーーー SaoのSGのつのののののののまでのOO 商答文を完成しなさい。 の〇 (の 4 ・ Whar are they ( ) to do tormorrow'? る予定をたずねる文 ・ They are going to visit Kamakura and have lunch. (@) 2【qa( ) you go to the shop with Ken next Monday? る未来を表す文 ル Z . No. Im gong to help my mother that day. ⑬⑳ 4 ・7s pe ( ) ive (( ) Japan next week? No. e Jeft Japan yesterday. 5 ⑰ 4・( りMi( ) teach you math? 問記が主語の疑問 : Mr. Sakamoto wil. い @ 妹苦文総 合・英作文 GeosgらeeつらSGのもののののでOO 次 9052 と あとの問いに答えなさい。 77 . Lef's go and see a baseball game tomorroW。Yuka. 7Z42 . WIaf game, Mike? 人 ZZXe 。 Our schooI's team is going to have a game. Koji 1S going to PJay. 2 ・ Tpafs good. 何時にその試合は始まる予定ですか。 ASSAE 2 47災e ・ Ts going fo sfart at three. Can we meet at the station at One 2 @① Mike の最初の発言参昌 太4z 。 We Tm going fo meet Mari at twelve for lunch. TIL see 9会寺谷 you afier fhaf. How about two? 777Xe . No problem. ( 72 。 OK. See you (hen. (注) No problem. いいですよ。 (7) 本文の内容に合うように, ( , )に適する語を書きなさい。 の⑦ Aike and Yuka w骨 see a ( )( ) together. ② Aike and Yuka wi ( ) at the station at ( ) (2) _ 部を8語の英語になおしなさい。 未来の予定をたずねる文

(1)③修飾語 (2)②修飾語 ③補語 (3)③目的語 が答えなのですが、わかりません💦 参考書読んでもよく分からないので区別の仕方教えて欲しいです！

次の難文を主部 と述部に分け, 下線部 語のどれに なるか答えなさい.- 剛 inc 。 ) Many studentS+ in our claSS 芝 wentる の 2) Kenji 5 4 neW2 mermberる 3) My siSter+ studies。 mathふ cpEcRl

教えて下さい

Complete the sentences and the table using words from the DoX. boarding compulsory curiculum headteacher nurseny school -euBjeete- primary SChoo| secondary school single-sex stf sylebus terms timetablo universty 5 jl My favourite soちjecfs are Music, Maths and French. 1 hate Hstory They made all these changes to the school without consulting the ーthat is, the teachers and the cleaners and so on School js jin England and Wales, as it is in most countries. But some children manage to avoid school, somehow or other schools (boys-only or girls-only) are becoming popular again -at least withi parents! In England and Wales, the school year is divided into three The person in charge of a school is called the This school has a modem , including subjects such as Business Studies, Media Studies and IT The History this year includes the fall of communism, the 1960s in the USA, and South Africa in the 20th 9 ifyou want to know which day or time you have a particular lesson, you can always look at the HO A school is one where pupils live during term- time and only go home to their families in the holidays. The education system in England and Wales 還 uu や5パパ 、、 、 、 だ Age18+ 129 V 5W〔{56《{〔 Age1l1l-18 13 Age 5-11 14 Age 3-5

教えて下さい

Complete the sentences and the table using words from the box. boarding compulsory cuiculum headteacher nursery school -euBjeete- primary SChoo| secondary school single-sex stf sylebus terms timetablo universty | 6 jl My favourite soちjecfs are Music, Maths and French. 1 hate History They made all these changes to the school without consulting the ーthat is, the teachers and the cleaners and so on School js jin England and Wales, as it is in most countries. But some children manage to avoid school, somehow or other schools (boys-only or girls-only) are becoming popular again -at least withi parents! In England and Wales, the school year is divided into three The person in charge of a school is called the This school has a modem , including subjects such as Business Studies, Media Studies and IT The History this year includes the fall of communism, the 1960s in the USA and South Africa in the 20th century. 9 ifFyou want to know which day or time you have a particular lesson, you can always look at the HO A school is one where pupils live during term- time and only go home to their families in the holidays The education system in England and Wales 因 了V。u。パ パOパパパ 、 、 、 Age18+ 119 66ぞ6 Age1l1-18 Age 5-11 14 Age 3-5

教えて下さい。

Complete the sentences and the table using words from the box. boarding compulsory curiculum headteacher nurseny school -euBjeete- primary SChoo| secondary school single-sex stf sylebus terms timetablo universty | 8 My favourite soちjecfs are Music, Maths and French. 1 hate Hstory They made all these changes to the school without consulting the ーthat is, the teachers and the cleaners and so on School js in England and Wales, as it is in most countries. But some children manage to avoid school, somehow or other schools (boys-only or girls-only) are becoming popular again -at least withi parents! In England and Wales, the school year is divided into three The person in charge of a school is called the This school has a modem , including subjects such as Business Studies, Media Studies and IT The History this year includes the fall of communism, the 1960s in the USA and South Africa in the 20th century 9 ifyou want to know which day or time you have a particular lesson, you can always look at the HO A school is one where pupils live during term- time and only go home to their families in the holidays The education system in England and Wales 天 vVパパ5〔6〈66 Age18+ 129 6 Age1l1l-18 13 Age 5-11 14 Age 3-5

3行目から4行目の答えになる理由を教えてほしいです。

(④) 用)ニダター2(cos 9 )x十cosz 9 一simz 9 とおいて, ヶー/*)のグラフを考 業5 た 0)く0を満たせば, 7*)ニ0は正の解と負の解をもつ。 0)三cos*の一sin?ひので0を解くEL 0の 8 |く|sinの|か 即 S1Zg 6 3 のそう