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数学 高校生

急いでいます!!💦この問題を教えてください🙇‍♂️ なぜ、答えの不等号に=が付いたり、付かなかったりするのかが分かりません。

例題 32 不等式の性質と式の値の範囲(⑲ @@のの②の 2 つの正の数*, を小数第 1 位で四捨五人すると。 それぞれ6, 4 になるとい ・ この 90 - や の値の範囲を求めよ。 Nf っな-58 基本事項|. 時本 31 ) 指針 内入の問題 不等式で考える。 xの小数第 1 位を四捨五入すると 6 になる。一> 5.5ミヶく6.5 …… ① yの小数第 1 位を四捨五入すると 4 になる。 一> 3.5ミy<4.5 …… ② ①⑪. ②⑫ を利用して, 3x一4y, xy の値の範囲求める。ここで, 前ページの例題 31 (5) と同 じように。 9843GkN(GEGDGIのあえのRU (gikUゆ 差 g-6の値の範囲 和 o十(一のヵ) として考える 四角 答 x,yは, それぞれ小数第 1 位で四捨五人すると 6, 4 になる数 であるから 3012SSOSO半9232 ① 5.5ミァミ6.4. は ② D3DSet0i5 ① の各稼に 3 を掛けて などは 誤り である。 BRDSSSDGGI9D SN co ③ ② の各辺に一4 を掛けて は ー14テミー4ッ>ー18 き負の数を掛けると, 不等号 すなわち ー18マー4yッミー14 …… ④ の向きが変わる。 還マ ④ の各辺を加えて 55318) 99x-(一人)で19.5十(一1) 3間叶に したがって ー1.5く8一4yく5.5 …… (*) (検討 参照)。 また, ① の各辺に正の数 y を掛けて 5.5y=*yく6.5y 3.5sy の両辺に 5.5 を掛けて 19.25 ミ5.5y 43.5ミyyく4.5 は②から。 Yく4.5 辺に 6.5yく29.25 の両辺に 6.5 を掛けて 0.9y 附sh したがって 19.25ミxyく29.25

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英語 高校生

この問題をおしえていただきたいです。 Dばかりで不安で…5は問題文の意味がわからず解けませんでした。よろしくお願いしますm(_ _)m

還 にの衣リ 6 ( いら選びなさい。 次の文書を読んで、一番敵当と思われる答を (A) (B) (C) (D) から選びな Advertisement: ono 21s Century Business PhoneS IS excited tO MM Na Td of our most versatile phone, Model 2381, The 人 ne計 S include a recording function and Video mode. 一[1一 和 胡 SG is included with the handset. This phone can be used with your internet connection without even turning On your COmDputer. ー[41ー Calls can be made phone to phone, phone to computer computer to phone and computer to computer. Traditional busineSS phone features such as call holding, call waiting, and call forwarding have been Te ー[は3] The call-holding feature has the same wide range 91 music choices as before. But we have added a new option. Callers can listen to an advertisement instead of music while they are waiting. 一[4]一 1. Which word is closestin meaning to aunching' in line 1? (A) fring (B) initating (C) forcing producing 2. Which of these stated features of The Wizard is traditional? (A) Video mode (B) Internet connection (C) Recording function ⑥7Ccal forwarding 3. What is new about the cal-holding feature? (A) The listener has a much wider choice of music. (B) An option that lets callers listen to n advertisement. (C) Callers no longer have to wait at all. It includes call waiting and call forwarding. ジ 4. What is NOT a stated feature of The Wizard? 《⑳) Automatic dialing (B) Calling through the Internet (C) Phone-to-phone calling (D) Call waiing A 5. In which of the positions marked Sentence best belong? The handset has an 8 x 10 centimeter video Screen.? ⑳[由 ⑧)外 (G) (5)軸 1 [2 Si anq [4 does the following

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英語 高校生

「比較」の話です。 赤線の部分の解釈は、a job candidate's ・・・ と is で倒置か起きているという認識で大丈夫でしょうか

人 acher Or & CTUSaAQCT 【OT ATY てGS チ e tommorrOW s plantobca President Or DIで mayDb will almost certainly touch you sometime in your life public speaking Imagine yourself in thesc situaHiOnS・ poration. One of yo alargc staff meeting at elopin叶 One by onc Public spcaking and are es are stumbling and c speaking COUTSC- get the job. maybc not for fiVe Years. 2 u will gc @p | Youareoncofseven managcment trainees in a large COTI the lower-managementjob that has just opencd. There is to be ャjn 10 cach of thc tainecs will discuss the project he or she has bccn dcv が collcagues make their presentations. They have no cxpcrience in intimidated by the higher-ranking managers present. Their speech awkward、You, howcvcr, call upon all the skills you lcarned in Your publi You dcliver an informative talk that is clear, well reasoned, and articulate You @B is 上 You arc the assistant manager in a branch office of a national comDany・ Your immediate superior, the branch manager。 is about to reUre, and there wi be a retir dinner. All the executives from the home office will attend. As his close working asSOC1a4te。 you are asked to give a farewell toast at the party. You prepare and dcliver a speech that is both witty and touching 一 a perfect tribute to your boss. After the speech、 eVeryOnc emnent 20 applauds cnthusiastically, and a fcw people have tears in their eyes. The following weck you are named branch manager. @QD 国 Fantasicsp Notreally. Either of のthese situations could occur. In arecent survey of more than 300 employers, 93 pcrcent stated that the abilhity to think critically and communicate clearly js more important for career succss than is a job candidate's undcrgraduatc major 25 1 Im another survey,the American Management Association asked 768 cxecutives and managers to rank the skills most esscntial to today's workplace. What was at the top of ・ ・ 向 ・ ・ ・ ・ 1 MP HistP Communication skills、The importance of such skills is true across the board 一 Ss M accountants and architects, tcachers and technicians。 scicntists and stockbrokecrs 3 SS ・ * ・ 8 い Businesscs are also asking people to give more specches in the carly stages of their Ccareers 0 PR5 professionals are using public speaking as a way to stand out in today's hi competitive job market. (Nor has the growth of the Internet and oth 史 Ne reduced the need for public speaking. As i Ne。、。 ・ AScarecrexpert Lindsey Pollak states、 “TE ho has that combination of really good technical ski 1 月 ical skills and verbal communicati Shoulders above your coll i 0 oleagues F you can combine those two.”"

解決済み 回答数: 1