Grade

Subject

Type of questions

Mathematics Senior High

(2)の問題において③の条件は不要とありますが、題意を満たすとき、図から③の条件はあってもよいと思うのですが、それを考慮すると答えが違うものになります。どうしてか分かりますか?

| | ー | 79 しん222色のる こちる2729 還 場合も含めて考をま未。 | H 異なる 2 解」とがか ミン )編台 アー2gz+4デ0 が次の条件をみたすょぅ> なee 3 をそれそれ定め 6 5がと6に1より大きい 122衣1より大きく 他の解が1より小さv 9 7誠がと0に0と3の問にある・ ⑳ 2誠が0と2の問と2と 4の間に1つずつある. の 2 解がと /(z) のグラ nk 記の人を仙って係数の関係式を求める と とう 銅 隊の馬|グラフの次の部分に着目して6 二あ0 0⑩ あ8zの値に対する yの値の符号 6562 や かつ 0くく3 かつ「ミ ⑰ 則り陳きう3葛囲 ⑲ 順上の7座標(または, 判別式) の符号 1にの解を特定の範阻に押し込むことを「解の配置」とuu 及2Z机Ko6用UiGいく代表的なもので, 今後, 数学I・Bへと\各 0でも0です。礁央にマスターしてください. 壇 店全本 (⑳) 7⑩)>0, 7②)く0, 7(④>0 が成りたつので MO 22H4E5くと /の=のオターの 0 20 よって 漠は =Z 項目は(2 2 (2⑫)=ニ8一42く0 kd ひSCS ( 90 22放が1より大きいと 7⑭⑳=20一8g>0 9 0722は生和のょうになっていゃ. 区の2不9が成立ナァ. 05 4 精叶の ST 213 3 6 9 2 ポイント 解の配置の問題はグラフで考える 2 次方程式 4z*ー27zキカー0 の 2 解がともに, 0くェ<く1 に舎 まれるような 如, 7 を求めよ.

Solved Answers: 1
English Senior High

この問題の解説お願いします🙇‍♂️ 答えは21-②,22-⑥,23-③,24-①,25-④です。

Japan is one of the countries facing the most significant population decrease。 In 2014, the ountry's population was just under 127 milion people, but by 2040 the population is expected to fl to around 107 milion一and by 2050 the population will probably be undcr 100 milion. IMoreover the prOPortion of the Japanese population that is 65 years or lder is around 25%6 todey。 Tn contrast that percentage was only 796 in 1970. This high percentage of clderly people has eatcd fnancial problems for Japan。 Im particular。 it is difiicult for the country to pay for the Pensions and medical care ofretred people So what cmn Japan do to deal with this iuation? One obyious idea tiat many people have Tpoedis | 2 | the workng ageinJapan。 Uptonow people in Japanhawe usually sopped yoHding around the age of 65. TE people Would reire gt 70 instead, this would increase the oring population so that there would be more people to support the elderly and retired. Anoher benefit of people working longer is that by being active at work these older workers can stay healthy and also maintain their connection to societ- AS the populaton gts CHder in Japan。 companies are responding by | 23 | producs for cldedy consumers。 Some products may help Japan cope with is aging population. One example is the development ofrobot pets。 More and more clderly people are lonely becanse they are ving alone But aldng ce of a real pet can be diHicut for them。 | 24 | witharobotpetisome ay for eldcrly people to feel less lonely. Thcre are lso robots that can assist with nursing care。 Robot suits are also beimg developed that make it easier for a person to move or iR heavy objects Pan will need such technologies。 as well as policy changes。 it hopes to respond secssstulyto is | 25 | populaton. (Michael Schaucre・Tom Dilon・Koji Nshiya 4crive 7かgag Regdog の iii7g 人7owg 757opics 一部改変) ⑩ interactng @ becoming @ manufacturing @ simkng @ fcmg @ gaendig

Solved Answers: 1