学年

質問の種類

数学 中学生

全ての問題を解説付きでお願いします!

図 右の図のような 長方形ABCDで、 点PはBを出発して、 辺上をC, Dを通って Aまで一定の速さで動 4 あるサービスを利用するのに, 3つのプランが あり,料金は次の表のとおりになっています。 4cm 基本料金|1分ごとの料金 P→ Aプラン 0円 B 50円 きます。 次のグラフは、点PがBを出発してからェ秒後 の△ABPの面積をy cm? として, xとyの関係 を表したものです。 y(cm°) Bプラン 2000円 10円 Cプラン 3000円 0円 また,次の図は,このサービスをx分利用する ときの料金をy円として, Cプランのxとyの関 係をグラフに表したものです。 10 y(円) 3000 0 2 6 x(秒) 8 2000 このとき,次の問いに答えなさい。 1)点Pは秒速何cmで動きますか。 1000 0 50 100 x(分) 料金=[基本料金+ 1分ごとの料金× 利用時間 (分)) このとき,次の問いに答えなさい。 (1) Aプラン, Bプランについて, yをxの式で表 しなさい。 秒速 cm )辺BCの長さを求めなさい。 cm Aプラン Bプラン 点Pが辺DA上を動くとき, yをxの式で表し なさい。 (2) Aプラン, Bプランについて, xとyの関係を 表すグラフを,上の図にかき入れなさい。 AABPの面積が6cm?になるのは, 点PがBを 出発してから何秒後ですか。 すべて求めなさい。 やや難 (3) Bプランがもっとも安くなるのは, 何分から何 分までの間ですか。 分から 分まで 8

回答募集中 回答数: 0
英語 中学生

(2)を教えてください🙇‍♀️

Activity 4 Make a * temporary bed with cardboard Activity 5 Learn useful Japanese words and how to Activity 2 Experience earthquakes in a special car call 110 or 119;only for foreign people Tikari : Hello. Ms. Bell. We are 12:00~ Lunch(Try emergency food) going to have evacuation drills next Sunday. What should we do Schedule Opening Ceremony eters aayl o Date and Time Sunday September 1st 9:30~15:30 O Evacuation Place Tsubame Elementary School 9:30 Ken 10:00~ Activities Ms. 1 13:00~ Activities A Closing Ceremony 15:00 s. Bell: Evacuation drills? No. 5 Can anyone go? You can choose one activity at each time, Hik Activities en : Of course. Here is the Activity 3 Practice how to use an AED 0 Time 10:00~11:00 Ms. olo poster about the drills. We are going together. 1:00~12:00 O 0 O 13:00~14:00 10 14:00~15:00 lo (注) Would you like to come 10 口(1) with us? yun : We're going to meet at Midori Park at nine. If you come by that time, we co. together. eari :What shall we do for lunch? 15 :Well, Ill get some sandwiches at the convenience store on the way. 口に Bell: B Look at this. Let's try some emergency food. ari : Why not? Do you know what kind of food we can try, Ken? : No. Umm Cup Ramen? ri : No, I don't think so because 20 『n: Yes, it may be difficult after big natural disasters. Anyway, we will know on the do. :Ms. Bell, do you often have natural disasters in your country? Are they different+2 Bell: Yes, we do. I can only talk about my hometown, but from my experience CHID earthquakes are bigger here, I think. After I came to Japan, there was a bia earthquake. I was very surprised, and didn't know what to do. i: Then, why don't you do Activity 25 あ You have already experienced a at at TOTAL natural disaster, but you can learn how to protect yourself. 2ll: C I will do that. So, in the event, we can experience four kinds of activities. What are you going to choose? : Umm. Let's see. I'm interested in AEDS. I want to know what they are like. 30 : Oh, you don't know abóut them! They are used to save people's lives. : Of course I know, but I just wtant to try them because I've never touched them. :I took the course last year, but I'll try it again. II when we are in an emergency. 7:Iagree. Can all of us take part in the same activity together? 35 :I join the same activity with my family every year. This year we are going to learn how to make beds we can use in evacuation places in the morning. After that, I will be free. ;Tam going to help with the fire drills as a volunteer.

未解決 回答数: 1