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数学 中学生

2番の問題がぜんぶ分かりません💦 解説付きで詳しく教えて貰えないでしょうか

2 資料は、令和元年の中四国9 県の総人口, 老年人口割合, 百歳以上人口割合の一覧です。 資料を参考に次の問いに答えなさい。 老年人口割合 * 百歳以上人口割合 *2 総人口 (万人) *1 55.6 32.1 67.4 189.0 鳥取県 島根県 岡山県 広島県 山口県 徳島県 香川県 愛媛県 高知県 280.4 135.8 72.8 95.6 133.9 69.8 34.3 30.3 29.3 34.3 33.6 31.8 33.0 35.2 110 128 86 85 101 79 95 96 120 「101の指標から見た岡山県」 (岡山県)より *1 老年人口割合: 総人口に占める65歳以上の人口の割合(%) *2 百歳以上人口割合: 人口10万人当たりの百歳以上の人口(人) (1)岡山県の老年人口(65歳以上の人口)を求めなさい。 ただし,答は百の位を四捨五入して, 千の位まで答えなさい。 (2) 鳥取県の百歳以上の人口を求めなさい。 ただし,答は小数第1位を四捨五入して, 整数値で答えなさい。 AE-t (1) (S) (3)百歳以上人口割合の中央値を求めなさい。 (4)百歳以上人口割合を箱ひげ図で表したものを,次の(ア) 記号で答えなさい。 ~ (エ)の中から1つ選び, (ア) (イ) 75 80 85 90 95 100 105 110 115 120 125 130 75 (ウ) 80 85 90 95 100 105 110 115 120 125 130 75 80 85 90 95 100 105 110 115 120 125 130 (I) 75 80 85 90 95 100 105 110 115 120 125 130 数-2

解決済み 回答数: 1
数学 中学生

(5)なのですが、答えは5mです。太郎さんがP地点に来る直前に出発したのなら距離は0mでは無いのですか?

問 西 3m/s 太郎さん 花子さん P 花 12秒 →東 右の図のように、東西にのびるまっ すぐな道路上に地点Pと地点Qがある。 太郎さんは地点Qに向かって,この 道路の地点Pより西を秒速3mで走っ ていた。花子さんは地点Pに止まって いたが,太郎さんが地点Pに到着する直前に,この道路を地点Qに向かって自転車で出発した。 花子さんは地点Pを出発してから8秒間はしだいに速さを増していき、その後は一定の速さで走 行し,地点Pを出発してから12秒後に地点 Qに到着した。 花子さんが地点P を出発してからx 秒間に進む距離をym とすると,とyとの関係は下の表のようになり,0≦x≦8 の範囲では, xとyとの関係は y=ax2 で表されるという。 x(秒) 0 ア ... 8 10 *** 12 y (m) 0 4 16 24 イ 次の問いに答えなさい。 ('17 岐阜県 ) 12124 (1) αの値を求めなさい。 4 (2)表中のア,イにあてはまる数を求めなさい。 4 TB2 9.7x 4x 4:年 16 (3)xの変域を8≦x≦12 とするときと」との関係を式で表しなさい。 J-4x-16 (4)との関係を表すグラフをかきなさい。 (0≦x≦12) 4024-10 10a+b=24 Y 2la+b=16 29=8 (m) 30 30 10:24:12: 20 10x= 288 24 12 48 10 O 246 9. 8 10 12 (秒) (5) 花子さんは地点Pを出発してから2秒後に,太郎さんに追いつかれた。 ① 花子さんが地点P を出発したとき, 花子さんと太郎さんの距離は何mであったかを求めな さい。 いつかれ 一度は追い越さ

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英語 中学生

根気強く英文読める方お願いします🙏 この問題の(2)は合っているでしょうか。 違うのなら違う理由も教えてくれるととても嬉しいです😭お願いします

TREK [3] 9分 10 2935 受験 難問 次の英文を読んで、あとの(1)~(3)の問いに答えなさい。('13 神奈川県) Brian is a high school student from America. He joins a *volunteer club at school. Last Sunday he went to a "nursing home with his friends to teach the old people living there about computers. Mr. Doi, one of the old people there, is talking with Brian in a room at the nursing home. sdgoon 5 Mr. Doi: Hello, I am Kazuo Doi. Nice to meet you. Thank you for coming today. Nice to meet you, too. My name is Brian. What can I do for you, Mr. Doi? Brian Mr. Doi: Can you teach me how to send e-mails, Brian? Brian Mr Doi : Brian Of course, I can. Do you want to send an e-mail to anyone? Yes. One of my friends lives in a nursing home in Hokkaido. I have not seen her for a long time, but she sent me a "postcard last summer. She wrote her *e-mail address on the postcard. I want to send her an e-mail to say "Hello," but I don't know how to do it. salad : Don't worry, Mr. Doi. It is not difficult to send an e-mail. Tellsafi Two days later, Brian and his friend Yumi are talking in their classroom. 15 Yumi Brian Yumi Brian : 20 Yumi : Brian, I hear you went to a nursing home last Sunday, right? : Yes. I went there to do *volunteer work with my friends. : That's great. What did you do there? odon of d We taught the old people living there about computers. They were very glad to learn how to use computers. What did you teach them about computers? I taught some old people how to send e-mails. Mr. Doi was one of them and Brian : his English was good. Read this e-mail from him. He sent it to me yesterday. Brian and Yumi are reading the e-mail from Mr. Doi. Hello, Brian, 100 living here enjoy it. I am sending this e-mail with a picture of me *in front of a microphone." Her e-mail was *encouraging to me. Now I have found an important thing to me. It is to try new things. When I find a new thing to try, I will send you an e-mail again. 35 Kazuo Doi After reading the e-mail from Mr. Doi, Yumi and Brian are talking again. Yumi Mr. Doi enjoys *communication by e-mail. Brian Yes. I'm very happy to hear that. Yumi You did a good thing, Brian. 40 Brian Yumi Brian 45 Yumi : Brian Yumi 50 Brian Yumi 55 Brian T Thank you for coming last Sunday. Do you remember my friend who sent me a postcard with her e-mail address? After I sent her an e-mail, she sent me an e-mail back soon. Using e-mail is a lot of fun. In her e-mail she said, "Now I am trying a new thing in my nursing home. I am *in charge of an announcement over the PA system for 10 minutes in the morning. During this time, I read the *newspaper of the day and make some *comments. Many people Yumi Thank you, Yumi. I went to the nursing home to teach the old people there about computers, but I also learned something there. : What is it, Brian? Mr. Doi knew his friend was in charge of an announcement over the PA system, and then he started to think about trying a new thing, too. I know. Mr. Doi says, "encouraging" in his e-mail. Right. When I taught him how to send e-mails, he said, "I have wanted to learn a lot of things. Using e-mail is one of them." I see. You want to say the e-mail from his friend made him more *positive, right? That's right. First, Mr. Doi learned how to send e-mails and wrote an e-mail to his friend. Next, he got an e-mail from his friend and knew his friend was trying a new thing. Now Mr. Doi ( ) to him. Mr. Doi thinks that it is to try new things. We can say it is good to know how our friends are doing. It is wonderful to *communicate with other people, Brian. : I think so, too. Communicating with other people can make people more positive. I learned that from volunteer work in the nursing home. : I hope that Mr. Doi can find a new thing to try. Please tell me when you get an e-mail from him again. (注) volunteer club ボランティアクラブ nursing home 老人ホーム send〜 〜を送る postcard 絵はがき e-mail address 電子メールアドレス (約 685 語) volunteer work ボランティア活動 in charge of an announcement over the PA system 館内放送を担当して comments コメント in front of a microphone マイクの前の communication by e-mail 電子メールによるコミュニケーション communicate with ~ ~とコミュニケーションをとる newspaper encouraging 励みになる positive 前向きな

解決済み 回答数: 1