4(3)と5(4)の解説お願いします🙏🏻 考え方や途中式も詳しく教えて下さると助かります💦 答えは、4(3) y=3x 5(4) (9/2 ,81/4)です。

ー 信 右の図のょうに =ユ ように。 放物線ッーオアゼ上に3 点A。 BCがあり。ACZOB である。点A, Cの座標がをそれぞれ 4, 8 のとき, 次の間いに答えよ。 口Q) 直線ACの式, および点Bの座標を求めよ。 「(②) 四角形AOBCの面積を求めょ。 ト] 口(3) 原点Oを通り四角形AOBCの面積を 2 等分する直線の式を求めよ。 5 右の図で, 点A, B, Cは放物線=上の点であり, OALAB, AB1BC である。点Aの座標が2のとき, 次の問いに答えよ。 口(1) 2 点A, Bを通る直線の式を求めよ。 NN 口(2) 点Bの座標を求めよ。 人 口(3) 2 点B, Cを通る直線の式を求めよ。 人 口④ 点Cの座標を求めよ。

ここ教えて欲しいです💦 □２です！

内 次の測定値は何の 位まで測定したも こものか答え 客えなさい 8.4※10!1,

この意味が分かりません汗 教えてくださいm(*_ _)m □5です！

きま>ミュっっ 、、 そのわけを. 連続 する 3 つの自然数のうち最小のも して説明しなさ( に2 連続する 3 つの自然数の最心のものを qa とすると, 大りの2つは ag+1、 ag+2 と表 される。その和は

□5が分かりません💦 途中式とかも書いてくれるとありがたいです！！！

ZI の 味径 Scrt 面積40zcmのおうw形 1 シア 和 う 中心角の大きき和束, りな ょさい ' KA 64ルを ' 攻 2 Xa ) % AA Ks の図のように, 半径20cm と半径15cm の半円がある。この図形の色を っけた部分の周の長さと面積を求めなさい。ただし、円周率は ょ とする。 で の

この問題教えてください！！ 黒い丸のところです！！

いり07 貞本や" 1OODCTY) 陽数分布表…162.5crm ゎ圧徒では がやらの【 4 ん 『 人 り | (⑭) 第一申学校の 2 年生 全体に 寺する割合が大きいか | ⑤) 第一中学校の 2得 モー161 25crmn の 邊 | 第二中学校の2年 1組…161.2Scrn 会ズふごご* | Py 5) 第一中学 RI P.22 | 基本問是 (①) 項…Sc と2, rの係数は5。 9 の可胡 は 4 ⑫ 項…Tgとーbとー5, aの人狼は の係数は1

この問題の(2)はなぜこのような答えになるのですか？？💦

この問題、どうやったら1.48になるのですか？？💦

了

(2)の表面積の求め方教えてください… 解説がないのでどなたか…！

(と表面積を求めなさい。

お願いします

Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

お願いします

Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.