赤四角で囲んだところの7P4のところがイマイチわからないです。最初考えていたのは9P4だったのですが、それだと、場合によってはOが隣り合ってしまうからなのかなと思ったのですが、あまり腑に落ちなく、ボヤーってしてます。 7P4の説明をお願いします！

Check *** 例題 218 同じものを含む順列と確率 T, 0, H, 0, K, U, A, 0, B, A の 10文字から何文字か取り出し, 横1列に並べるとき,次の確率を求めよ. (1) 10 文字を横1列に並べるとき,どの2つの0も隣り合わない確率 (2) 10 文字の中から6文字を1列に並べるとき,どの2つの0も隣り合 わない確率 考え方 解答 484 01, O2,03, A1,A2として,すべて異なるものとして考える(同様の確からしさ)。 (1) T, O1, H, O2, K, U, A1, 03, B, A2 の 10 個を 1列に並べる並べ方は, 10! 通り どの2つのOも隣り合わない並べ方は,まず0を除 いた7文字を並べ、さらに7文字の間と両端の8箇所 から3箇所を選んで 01, O2, 03 を並べるときで, 7!×P (通り) よって,どの2つのOも隣り合わない確率は, 7!×P3_7!×8･7･6 _ 7 = 15 10! 10.9.8×7! (2) 10文字の中から6文字を1列に並べる並べ方は, 10P6通り (i) 6文字のうち0が3つのとき 7 P3×4P3 (通り) (ii) 6文字のうち0が2つのとき 7 P4×32×5P2 (通り) 6.文字のうち0が1つのとき Focus P5×3C1×6P1 (通り) (iv) 6文字のうち0が含まれないとき よって, (i)~(iv) より 求める確率は, 7･6･5・4・3・42 10･9･8･7･6･5 7P3×4P3+7P4×3C2×5P2+7P5×3C₁×6P₁+7P6A 10P6 = 7 10 P6通り 計算しない. 確率なので,あとで 約分する. 0000 A^^^^ の&iPa X 3C2×P2 ROAD SPECT 00000 WAAAAAAA 7! X8P3 約分しやすく工夫す る. □□□ AAAA 7P3X4P3 01, O2, 03 のうち、 どのOを選ぶか. 分子は, 7-6-5-4-3-2 +7-6-5-4-3-5.4 +7･6･5・4･3･3・6 +7-6.5.4.3.2 |=7･6･5･4･3 ×(2+20+18+2)

下線部①から④で、誤りのある箇所を選んで正しく直す正誤問題です。 分からないので教えて頂きたいです🙇🏻

3 The plan to construct a new road around the town center has (b) approved by a majority of the local residents. yo bevoo 正しい形 誤りのある個所 to saco bong soni ya ☐☐4 English, which originated in the United Kingdom and is now consider the universal language, is also spoken as the principal language in many (関西外国語大) Gt countries. 16 第2章 誤りのある個所 受動態 (立命館大) 正しい形

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◎区切りごとに意味をとりながら、 音読しよう｡ P The last example is breakdancing. // This dance is known for its noitibst niedt moting of slqoq dairl edt wolle t'abib vitauos Jadw acrobatic moves / such as head spinning. // 3 The dance is a part of hip hop SAUNA) A(S) Contas O SE LES VISTAS culture. // Lot O wolls film di stadi skroeg or4 Breakdancing was born / in New York City's local communities / in the al com you! US7 anish sw vert li llet Jour 1970s. // In those days,/ fights between gangs / often happened in the city. // FRS124 6 Some members asked themselves / if there was a peaceful solution. // Pog They began to use breakdancing / to decide on the winner / of a fight. // 8 Afterward, / the dance gradually became popular / across the US. // Today, / breakdancing attracts many young people / around the world. //idt of 9130m TA 10 Dances are connected with the culture / of their birthplace. // Through dances, / people have expressed their ideas and feelings. // Dancing is a way 07/22 W of communication. // - CATEGIUNOND 2

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◎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

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○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 ai 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 |

一枚目　長文 二枚目　問題2と3と5 三枚目　2と3と5の答え 解説お願いします！ ※一度質問したのですが返信なかったので！！

possove. 5 M Reading 目標 20分 速読問題 次の英文を2.5分で読んで, 1. の問いに答えなさい。 What is a "*remote meeting"? It is almost the same as a “virtual meeting” meeting." In any type of meeting, such as "face-to-face or remote, people get together qiu zonizud & no of guirsom & mort insed gnibsof biqsЯ to *present ideas and make decisions. It can be a meeting to get something done. The difference between a real face-to-face meeting and a remote meeting is that bemeonoo elgoeq ert of *participants of the remote meeting are just not in the same *physical space. Pris 229 awollot as prinqa aidt else no op lliw doirlw axinib wer no gníteem & blor lliw ew Instead, they are connected by phones or the Internet. There are several types of 00:01 moil (OUT) & emul emit bns ef60 10 the others, or just *audio. SOE mooЯ prile:90619 remote (3)sessions. Among them, the group call is widely used because it is musob bainn: 1sdW beneviled need senis even Jari Inib wan juods "handy. (4)This type of remote meeting does not require any extra "equipment other vab terlt no `noitatezen s exem than a cellphone or computer. It can be a video call, with each participant seeing al the group call. or an 3 of un Selnemusob srit top etnsqiiheq lliw nerWa .navig sd lliw anmusob o It is easy to *participate in, but (5to have an "efficient meeting, the number gnijem od noted vabadu yd naviy od lliw yodT participants should be limited. *Ideally, there should be *at most ten participants Spnitsem erit te ob of benlupen ineqioihsq ens terW 1 remote [rimóut]: 3 present [prizént]:･･･を提案する, 口頭発表する 5 physical [fizikl]:物理的な、実際の 10 audio [5:diòu]: 27 "online 2face-to-face:対面の,面と向かっての 12 ideally [aidí:ali] : 理想を言えば viste zlez s no noitsins29nq a ovis (163 wo alnih won no noizzuvzib & oved of hast chao T 5 participant [pa:rtísəpənt]: 8 handy [hændi] : 11 1 participate in...: ... に参加する 12 t 8 equipment [ikwipmənt]: 11 efficient [ififant]: **

X^2＋Y^2＝r^4 を　x^2＋y^2＝(r^2)^2 にする計算過程を教えて欲しいです。 (r ^2)^2にしなくてもいいですか？

100 基本例題 62 媒介変数の利用 (軌跡) 00000 一 定円 x2+y2=r2 の周上を点P(x,y) が動くとき, 座標が(x-y2, 2xy) で ある点Qはどんな曲線上を動くか。 p.94 基本事項 2. 基本 6C W TO SOLUT! CHART OLUTION 媒介変数の利用 #RORS30 3= 2次曲線上の点は媒介変数表示が有効 HAMSTIPAL a 円の媒介変数表示 x =rcose, y = rsine を利用する。 点Qの座標 (X,Y) も0で表してから, 媒介変数0を消去して X, Y の関係式を 導く。 lepa 解答 ①x2+y2=2 から x=rcose, y=rsin0 (0≦0<2π) と表さ|円の媒介変数表示。 れる。 Qの座標を(X,Y) とすると X=x²-y²=r²(cos²0—sin²0) = - JUSS =r² cos 20 edit I=(1+ Y=2xy=2rcos 0·rsing) ** [=³(+1 =r2sin20 -X=0 cos A, よって X2+Y2=r*(cos220+ sin²20)=r, 0≦20<4π ゆえに,点Qは円x2+y2 = (r-2)2の周上を動く。 別解 Qの座標を(X,Y) とすると X=x2-y2, Y=2xy X2+Y2=(x2-y2)2+(2xy)²=x+2xy+y^ =(x2+y2)2=(n2)2 ²4 net 30 よって,点Qは円x2+y2=(m2) 2 の周上を動く。 - 1+1 Y=□sin △の形→ sin²+ cos²^=10) } (-x) x-50185 1+x $64 17x 所用。

（2）と（6）のnor とneitherは、入れ替えることは可能ですか？

【A】 空所に入る適切な語(句) を1つ選びなさい｡ (1) It is time you ( ) to study. (**) 4 had begun 1 begin began 3 will begin (2) A: I don't like this salad very much. () B: Nor ( ). ((3) I do 2 I do either 3 do I 4 I like it either I wish I ( ) in that program. () (3) Kenji told me his trip to London was wonderful. 4 will participate had participated 2 have participated 3 participate . ( 慶應大) (4) Those who hunt pandas in China face the death penalty if ( 4they caught being caught 2 caught 3 having caught ) a little louder. (*) (5) I can't hear him. I wish he ( 3 speaks (4) can speak I would speak 2 will speak ( ). (日本大) "I haven't done my homework yet!" 1 Neither have I 2 Neither do I 3 So do I 4 Either have I Nether (6) 241 00€ IL.COZH (4) L 3 (5) ?(6) 2 1.-) you!

④の日本語訳どうなりますか？ combinedは動詞combine(組み合わせる）の形容詞だということはわかるんですが、この時にどう訳されてるのかわからないです(>_<) 教えて欲しいです🙏

in vain 147 7/1 „Naming after the principal and most powerful of the Roman 00 gods, Jupiter is twice as massive as all the rest of the planets in our system combined. all u <学習院大 > Cite SLOSSAT- ehnopge to the

ここでのsetとcompleteって同じ意味じゃないんですか？

Foject, I got the highest score ever in an F as easy to set(small goals to complete on my way because she couldn't participate. She lives near