3、4の解き方が分かりません。 どなたかわかる方いらっしゃいますか？🤔

。 E+所 3所 生ま 次のような並べ方はそれぞれ何通りあるか求めむさい。ただし, 同じ色の玉は区別しな する。 (1) すべての普べ方は| LMN | 通りある。 (2) 両端に赤玉がくる並べ方は, 通りある。 また両端の主の名が暴なる並べ方はQRS | 通りぁる. (3) 3個の赤玉が半り合う並べ方は. し了リ|通りぁる。 (4) ごの青玉も陸り合わない並べ方は | V So

軌跡と方程式です。教えて下さい。

放物線 ッニァ? …… NONROS1、a 2 C(4、こ1) がある。 点P が放物線 ① 上を動くとき, 線分 APを2 : 1 に内分する点Q の軌跡を求めよ。

平方完成完全にド忘れしてしまい、解き方が分かりません。 どなたか教えて頂けますか？

ー4z2 十 6z十3

英検の英作文です！採点してください！

@ POINTS は理由を書く際の参考となる観点を示したものです。 ただし, これら以外の観点か ら理由を書いてもかまいません。 @ 語数の日安は80語100語です。 TOPIC 1 77ese oys, so72e Deo//e oz ooe o 7e/eozs7o7 oz o72e. のo yoz 772772を 77e 72Z27720e7 の7 SC /eo//e 7の777 772c7eose 772 77e 7が7e? POINTS @ 777O7772C77O072 SO747C@ @ 万727e777727726727 人@ 77772e 777 /Z722/ツ

中央値を求める方法を教えてください🤍😢 自分でも解いてみました、解説お願いします

中央値を求める方法を教えてください🤍😢 自分でも解いてみました、解説お願いします

教えてください！

ーー ラナ、べし\ EE な語句を答えなさい< |3. 次の英文中の空所に入る最も適当 な語 g so much in front of your friend。. diamond rin 21 Dontshow ( ) 7our 9 ④ of @ on @ SE ④ over ⑥ with ld be fewer acci introduced ( ) there wou accidem trafc safety laWs Were intro 22 New tral | ④ sothat ② sas下 ⑨⑧ jpcase ④ just as SO tha 23 The catalog ( ) that this year's model is slightly cheaper than last year (センター ①④ says ② speaks ③ talks ④ tells 24 Mother congratulated us ( ) our victory (We ①⑦ among @ on ⑧ to ④ up 25 ( ),the worse 1 seem to feel. (5 @② The more medicine I take ①④ Taking the more medicine ④ When I take more medicine ⑨ More medicine taken ) not give up gambling, although her husband told her to a hundred 26 She ( iTiees (が上 ①④ must @ has ③⑧ should ④ would ⑤ ought 27 Isntitabouttimewe ( ) a brand new computers (BA ①④ hadbought @ bousht ③ have bought ④ wilbuy 28 0 sternly told the student *Read the Passage ( ) Ireferred 本 2 &?2う ①④ that ② tothat ⑨ towhich ④ which 29 Mrs. Smi MO RM has three sons, who are always fighting ( ) themselves 3229 い も Nong ⑨ for ④ between 30 ( り ① jsanyone II Tpthe shop an honr Earlier than usual tomorrow? gm ⑨ ksitcapable fr Aone ② fsitable for anyone ④ tsit Possible for anyone

whichの先行詞はthe risKであってますか？

owever, none of these equaled the risk inyolved with driving while nnder 家e infuence of drugs or alcohol, wbich multiplied crash rate by 36 mes. Researchers also found that driving while crying or angry was just as risky as readinど emai提 郁 2% increasing the rislkk of an accident by 10 tmes- 8

日本語訳お願いします！！ perspectivⅡ lesson3 part3 です。

Im 1997, a team of researchers at Zurich UniverS1ty Im Switzerland first witnessed dolphins using tool8 1 This is probabIy the Shark Bay、Western Australia. als. m only known case of tool use by marine mnarn1 her Dolphins are thought to be clever animals becau8@ 【 1 brain-to-body-mass ratio is greater than that Oo other animals except humans. But previously they had not been considered to be tool-users. When the researchers were observing the dolphins im Shark Bay, they saw something strange over their 」 beaks. It looked 8s、 they had massive tumors. The objects turned out to be marine sponges broken off from the seabed. The dolphins were holding sponges over ther beaks and appeared to be usmg them as a fishing tool while they were searching the sea foor. It jisi believed that these sponges help protect the dolphins* beaks from debris. Without Sponges, the dolphins might hurt their beaks.

教えて下さーい！