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数学 中学生

答えがないもので‥よかったら答えを全て教えてください 2の問題3問は解説もお願いします 量が多くてほんとにすみません

問題1 各問いに答えなさい。 6ats 6a- 問1 次の計算をしなさい。 20 - 10 +4° 2 ab a-36 4 a-46 5 6ab° - 3 B 4 (x+4)? 6 18 -8 問2 右の図は, 立方体を2つに切り分けててできた立体と,その F E → 立体ABCDEFの投影図です。 0立面図に必要な線をかき入れて、この立体ABCDEFの投影図を完成させなさい。 の もとの立方体の1辺の長さを3cmとすると、この立体ABCDEFの体積は何cfですか。 可3 男子3人,女子3人の6人の中から, くじ引きで当番を2人選びます。このとき、選ばれた当番のら ち少なくとも1人は女子である確率を求めなさい。 問題2 容積500 L の空の水そうに、それぞれ一定の割合で水が出る2本の給水管A, Bを使って水を入れ ます。まずAだけを使って30分間水を入れ、その後, AとBの両方を使って7分間水を入れると,水そ うが満水になりました。また, はじめからAとBの両方を使って15分間水を入れると,水そうの容積の 60%の体積の水が水そうに入りました。このとき、給水管A. Bから1分あたりに出る水の割合をそれぞ れxL,yLとして, 各問いに答えなさい。 問1 上の文の下線部の操作で, 水そうには何Lの水が入りますか。 xを使った式で表しなさい。 x, yについての連立方程式をつくりなさい。 この水そうに、はじめからAとBの両方を使って水を入れると, 何分間で満水になりますか。 問2 問3 (立面図)一(平面図) 図

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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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