73.3 これでも記述大丈夫ですよね？？

118 日 基本例題73 線分の内分点外分点、重心室1000 3点A(5,4),B(0, -1), C(8, -2) について,線分 AB を 2:3に外分する。 をP, 3:2に外分する点をQとし、△ABCの重心をG とする。 (1) 線分 PQ の中点 M の座標を求めよ。 (2) 点Gの座標を求めよ。 (3) APQS の重心が点G と一致するように, 点Sの座標を定めよ。 p.113 基本事項 ④,⑤5 指針 座標平面上の3点A(x1, y1), B(x2, y2), C(x3, y3) について > nxi+mx2 ny₁+my² 線分ABの内分点 m+n m+n 線分 AB の外分点 解答 (1) 点Pの座標は (2) 練習 73 |-nxi+mx2 m-n -3.5+2.0 -3・4+2・(-1)) 2-3 2-3 点Qの座標は (-2.5 +3.0 -2.4+3・(-1)\ 3-2 9 9 から よって, 線分PQの中点 M の座標は (*) (15+(-10) 14+ (-11)) 2 2 (2) 点Gの座標は y+y2+ys △ABC の重心 x+x2+x3 3 3 (3)S(x,y)として, APQS の重心と点Gのx座標、y座標をそれぞれ一致させる。 |から " -nyi+myz m-n (15,14) 5+x 3 5 すなわち (12/28) 3 2' (5+0+8+(-1)+(-2)) すなわち ( 13.1/28) 3' (3) S(x, y) とすると, (1) から, △PQSの重心の座標は (15+(-10)+x 14+(-11)+ど)から(3) これが点Gの座標と一致するとき よって (-10, -11) ALL (DS-də+²µà)8= 13 (3+y 3' 3 x=8, y=-2 すなわち S(8,-2) 内分点の公式でnを -n におき換えた形 21-684-10-200 (*) 2点 (x1,y1, x2, を結ぶ線分の中点の座標: 1 3 重要 81. 1A x₁+x₂ ₁ + y₂ 2 2 内分点の公式で, m=n=1 としたもの。 (2)2点A(-1,-3), B を結ぶ線分AB を 2:3に内分する (1−1)であるという。このとき, 点Bの AUTA 重心の座標は、3点の平均 とイメージしておけばよい dan+ 0x (1) 3点(1,1),B(3,4,62) にいて、線分ABを3:2に内分する をP, 3:2に外分する点をQとし, △ABC の重心をG とする。 このとき, 3点P, Q, Gの座標をそれぞれ求めよ。 I ! 頂

高1英語です。 （2）、（4）がなぜこのような回答になるのか教えて頂きたいです。

(1) I_ was able to (2) Some people say fashion (3) Takuya can can (4) Elephants study at an American University 分割する repeats itself. They may be speak Chinese [ can / may / was able to] right. [ are able to be / may have been / may be ] well. He has been studying it for five years. sometimes be dangerous. [may / was able to / can ] [ can / should / wouldn't ]

数B「数列の一般項」の問題です。 (1)が等差数列、(3)が等比数列なのは分かったのですが、(2)、(4)が何の数列に当てはまるのか分からないので教えていただきたいです🙇🏻‍♀️

□ 2 次の数列の一般項an を推測し,nの式で表せ。 (1) 3, 6, 9, 12, 1 1 (3) 2'4' — 11 8' 16' *(2) 1, -8, 27, -64, *(4) 3 9 4'5' 5' キで書け 27 27 81 6'7

4、5、6、8教えてほしいです

(1) 次の点をx軸方向に 7, y 軸方向に-5だけ移動したとき, 移動後の点 11 (3, 2) 2 (-3, 1) ③ (-4, 9) (2) 次の点をx軸方向に3,y 軸方向に2だけ移動したとき、移動後の点の座標を求めなさい。 1 (5, 3) ② (1, -1) 3 (-3,-4) (3) 次の点をx軸方向に3,y 軸方向に ―2だけ移動したとき、移動後の点の座標を求めなさい。 1 (2, 1) ② (-3, 2) 3 (-4, -6) (4) 放物線y=x²+2x-3を、x軸方向に2,y 軸方向に1だけ平行移動した放物線の方程式を、y=ax²+bx+cの形で 表しなさい。 (5) 放物線y=-x^²+2x+3を、x軸方向に 2,y 軸方向に-5だけ平行移動した放物線の方程式を、y=ax²+bx+cの形 で表しなさい。 (6) 放物線y=3x²-6x+4をx軸方向に 2,y 軸方向に1だけ平行移動した放物線の方程式を、y=ax²+bx+cの形で 表しなさい。 (7) 放物線y=x2-6x+8を平行移動して,放物線y=x^2+2x+3に重ねるには,どのように平行移動すればよいか答えな さい｡ (8) 放物線y=-x^2+3m-1を平行移動して,放物線y=-x-5x+2に重ねるには,どのように平行移動すればよいか答 えなさい。酸 ADANY (9) 放物線y=2x²+4x+3を平行移動して,放物線y=2x²8xに重ねるには,どのように平行移動すればよいか答えな さい｡

答えを無くしてしまいました！！答え合わせがしたいのでお願いします🤲

(1) You 11 drink too much. didn't have better 4 had not better Can I wait here 2 1 till (4) He's late. He may have been (5) I have two cars. another (8) (6) I heard my name calling by 4 by the time (3) The town 13 I paid a visit to is a very quiet place. 1 what 2 which 3 where 4 whose 14 an accident on the way. 2 have had One is a sedan, and 15 others 3 other (7) How 17 1 often 12 1 Allow 2 hadn't had better had better not he comes back? as soon as 16 in the crowd. 2 to be called 3 call do you have a haircut? 2 short 3 18 me to introduce myself. 2 Let hurted (5) were hurting (10) He works hard 20 enough 5 for fear 3 have 4 had many 3 Make (9) Three children 19 in the accident. were hurted a sports car. 4 the other he can get a scholarship. 2 for which haven't had better to call 4 much Have hurt so that for a while 5 how 5 had had 5 the others called 5 long 5 Let's were hurt 4 otherwise

解答の∫の式以降の変形がよく分かりません。教えてください。

1 3 I ut 5 Ss sin3xdx ELE. EL) ( 15 東海大医)

どこが違うか教えて欲しいです

sin 0, cos0, tan の値を, それぞれ求めよ。 (2) 0 = 5 3 (3) 0 = 2 5 sin fr fr dan // R = cos T n = "² 30.0 W||- ~||~ 35 EI~-1~ 53-13 =-70 6 sin 1 RIDRIS TC d 455 -IN IN MIN cos-E ton - 7² = -57 - 17/12 一方 (4 S

答え合わせをしたいので分かるかたお願いします🙇‍♀️

総合問題 ④ 次の英文の( )内に入れるのにもっとも適切なものを、①~④の中から1つずつ選び記号で答 えなさい｡ (1) His father won't ( 1 get (2) This river is dangerous to ( being swum @ swim in (3) ( ) to see you on Tuesday. I'm possible? It is unable for me 3 It is possible for me 4 There is no (5) Many communities for their supply. that obtained (6) He is said to ( 1 win ) him drive his new car. @ allow 3 let (8) Tell me when ( blow did you come 3 you came (4) If the river is clear, you can see the beautiful scene () on it. reflect 2 reflected 3 that reflected are dependent on the water ( ) in July. 3 swim it hadn't become boln 3 shouldn't become C 4 permit 4 swimming (soomA\y\m \ BÌ) (7) To my surprise, John ( ) natto before he came to Japan. 1 was eaten will eat 3 has eaten 4 to reflect 2 obtained ) a prize in the speech contest last month. 2 have won 3 be won ) from wells 3 is obtained @obtain it B ) to the United States for the first time. Tanton you have come 4 have you come 2 haven't become 4 wouldn't become (9) What kind of person do you think you could have been if you () a) musician? 4having won 4had eaten bus ovad (10) The results of Experiment A are more reliable than ( ) of Experiment B. Ⓒones O that REG3 these those CA B

高校1年論理表現のbe clear grammar bookの lesson10が全く分かりません。よければ教えて欲しいです🙏後、これ以降のページの答えも教えて欲しいです🙏

EXERCISES 不定詞① (名詞用法) 日本語に合うように,( (1) その試合に勝つことはほぼ不可能だろう。 ) ( (2) ケンの夢はアメリカで事業を始めることだ。 Ken's dream is (444) (7 (3) 適した仕事を見つけることが重要だ。 It is important ( )( 2 下の )に適語を入れなさい。 ) the match will be almost impossible. (4) インドで大学に入るのは難しいですか。 Is ( ) difficult ( (1) Mami promised ) ( (5) 彼は夜ひとりで外出するのは危険だとわかった。 He found ( ) dangerous (2) I want ( (3) We're planning ( (4) It is expensive ( (5) It was necessary ( (6) It's not easy ( ) a business in the U.S. ) out at night alone. ]内から動詞を1回ずつ選び、 適切な形にして, 英文を完成させなさい。 ) care of the cat. ) a suitable occupation. ) enter college in India? ) ( ) ( ) to that school. ) a welcome party. ) in Hong Kong. ) the homework on time. ) a company. ) ( [finish / live/ hold/go/take / run] 3 与えられた状況に合うように ( )内の語句を並べかえ, 全文を書きなさい。 (1) 状況 駅から徒歩3分のところに引っ越したユキ。 つくづく思うのは...。 It is (live / convenient / the station / to / near). (2) 状況 彼は夜型の生活から朝型に変えようとしたが･･･。 ( it / hard / was / change / to) his daily schedule. (3) 状況 卒業後の進路を聞かれて, あなたはこう言いました。 I (to/to/go/ decided / Taiwan) to study after graduation. (4)状況 レイカはプロのピアノ奏者になるために、本格的に学びたいと思っています。 Reika's (is / music / wish / study / to) in Germany. (1) 私の~(人)は将来、・・・することを希望している。 [hope ] My AB 41 AB []内の語を参考にして~・・・に自由に語句を入れ, オリジナルの英文をつくりなさい。 (2) 私の夢・目標)は…..することである。 [ is ] My A B in the future.

回答お願いします

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