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数学 高校生

(2)の解き方を教えて頂けると助かります。

う存在範囲の応用】 力 ある工場で使用している機機械の管理について考えたい。 【2次 12. basic p.71 例題6 動してから時間×が経過したときの, 機械のある部分の度によって定まる指標をかとする。 このとき, pとxは p= 2x+1 x*+3x+2 (*)という 係にある。この機械は, pの値が を 超えるとトラブルが生じゃすく,かの値が大きいほどその危険性が高い。工場ではこの機械の 2 作監視を強化するにあたり,最もトラブルが生じやすい時世帯を中心に監視を強化したい。 (1)x>0 の範俺囲で か= 2 となるxが存在するかどうか調べる。 2x+1 の分母を払って 2 x*+3x+2 得られるxの2次方程式をx>0 の範囲で解き, p= となるxが存在するかどうか判定せよ。 2 pが最大となるxの値 x。 を求めたい。 なぜなら、 最もトラブプルが起こりやすいのは、 起動し 時間 X。が経過したときであり, この時間帯を中心に機械の監視を強化すればよいからである。 pが最大となるxの値を求めるには, (*)の分母を払って得られるxの2次方程式 px°+(3p-2)x+20-1=0 がx>0 の範囲に少なくとも1つの実数解をもつようなかの値の範囲を調べればよい。 (ア)pのとりうる値の範囲を求めよ。 (イ) pが最大となるxの値 x, を求めよ。 【類桃山

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英語 高校生

NEO 現代を読む standard ユニット7について、和訳をお願いします。

The Ancient Egyptians used a writing system called hieroglyphs*. It is a very good system Unit 7 |423 words / 中央大 - Language - of writing and was used in Egypt for almost four thousand years. (1)This means th hieroglyphs were being read and written for longer than the Roman alphabet has been. The. only stopped being used when Egypt became a Christian country and its people stopped 5 worshipping the Egyptian gods. |2 Centuries later, people were puzzled about how to read hieroglyphs. They thought that the hieroglyphs must be pictures of ideas and things and not an alphabet. There were about 750 hieroglyphic* symbols in use during most of the period of the ancient Egyptian civilization. This is far fewer than the 85,568 Chinese characters contained in the 1994 Zhonghua Zihai 10 Chinese dictionary. So, 750 hieroglyphs would seem to be too few to be pictures of all the things that humans need to describe%; but, at the same time, far too many to be an alphabet - only requires 26 letters to make all its words. 3 The answer is that hieroglyphs are ( 2a ) an alphabet ( 2b )a system of pictures. It is as if Japanese hiragana and kanji were combined in one system. The basic Egyptian alphabet consists 15 of twenty-four letters. Vowels* were not written. If this is done in English, it looks like this: (3)Ths hs n vwls'. This may seem difficult to read in a foreign language, but for native speakers, it is fairly easy (most people who send text messages between mobile phones take out vowels to make the words shorter). |4 In many ways, the Egyptian hieroglyphs are surprisingly similar to Japanese. Both systems 20 can be written in either vertical or horizontal lines and they can also be written either from right to left or left to right. With hieroglyphs, (ait is easy to tell whether they should be read from the right or left because many of them can be turned to face the direction they should be read from. Hieroglyphs, like Japanese kanji, were a form of art. Also like kanji, there are no ( 5a ) between the words-whidh are so helpful for understanding English. (sbIfwemissoutthespacesinEnglish, 25 itisratherdifficulttoread! Some words were written using the alphabet, some with just one hieroglyph.(6)'Sun', for example, was written with two circles, one inside the other. As with Japanese, it also means 'day'. 5 Hieroglyphs look to most people like an impossibly difficult system derstand. In truth, they are one of the most practical and beautiful writing systems ever created, combining 30 the advantages of kanji with the advantages of an alphabet system. hieroglyph:ヒエログリフ(古代工ジブトの聖刻文字) hieroglyphic : ヒエログリフの vowel:母音 18

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英語 高校生

NEO 現代を読む standard ユニット7について、和訳をお願いします。

1 The Ancient Egyptians used a writing system called hieroglyphs*. It is a very good system of writing and was used in Egypt for almost four thousand years. (1)This means that Unit 7 | 423 words / 中央大 - Language - hieroglyphs were being read and written for longer than the Roman alphabet has been. Th. only stopped being used when Egypt became a Christian country and its people stopper 5 worshipping the Egyptian gods. |2 Centuries later, people were puzzled about how to read hieroglyphs. They thought that the hieroglyphs must be pictures of ideas and things and not an alphabet. There were about 750 gyptian civilization. hieroglyphic* symbols in use during most of the period of the ancient This is far fewer than the 85,568 Chinese characters contained in the 1994 Zhonghua Zihai 10 Chinese dictionary. So, 750 hieroglyphs would seem to be too few to be pictures of all the things that humans need to describe; but, at the same time, far too many to be an alphabet - English only requires 26 letters to make all its words. 3 The answer is that hieroglyphs are ( 2a ) an alphabet ( 2b ) a system of pictures. It is as if Japanese hiragana and kanji were combined in one system. The basic Egyptian alphabet consists 15 of twenty-four letters. Vowels* were not written. If this is done in English, it looks like this: (3)Ths hs n vwls'. This may seem difficult to read in a foreign language, but for native speakers, it is fairly easy (most people who send text messages between mobile phones take out vowels to make the words shorter). In many ways, the Egyptian hieroglyphs are surprisingly similar to Japanese. Both systems 20 can be written in either vertical or horizontal lines and they can also be written either from right 4 to left or left to right. With hieroglyphs, (4)it is easy to tell whether they should be read from the right or left because many of them can be turned to face the direction they should be read from. Hieroglyphs, like Japanese kanji, were a form of art. Also like kanji, there are no ( 5a ) between the words - which are so helpful for understanding English. (5b)IfwemissoutthespacesinEnglish, 25 itisratherdifficulttoread! Some words were written using the alphabet, some with just one hieroglyph. (6YSun', for example, was written with two circles, one inside the other. Aswith Japanese, it also means 'day'. [5 Hieroglyphs look to most people like an impossibly difficult system tounderstand. In truth, they are one of the most practical and beautiful writing systems ever created, combining 30 the advantages of kanji with the advantages of an alphabet system. hieroglyph:ヒエログリフ(古代エジブトの聖刻文字) hieroglyphic: ヒエログリフの vowel:母音 18

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