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Mathematics Senior High

この問題の解答説明部分で になると書かれていますが、これ 1年度初めのp円は p(1+r) 2年度始めのp円はp(1+r)^2 ……………………… n年度初めのp円はp(1+r)^n では無いんですか? 誤解を解いて頂けると助かります。 お願いします... Read More

0000 例題 98 複利計算と等比数列 毎年度初めにP円ずつ積み立てると, n年度末には元利合計はいくらになるか。 年利率をr, 1年ごとの複利で計算せよ。 ただし,y>0とする。 基本 指針 「1年ごとの複利で計算する」とは,1年ごとに利息を元金に繰り入れて利息を計算するこ とをいう。各年度初めに積み立てるP円について,それぞれ別々に元利合計を計算し、 後に合計を求めることにする。 (2) 年度末(n-1) 年度末 1年度末 2 年度末 ①お金を入れて その時利息が 発生 Pのときの利息 P+Pr のときの利息 PAPY 年末の合計金剃 P+ Pr -P円積立 を毎回調べて だそうとしている P円積立 3 年度末 ↑p円積立 図から, n 年度末までの合計は P(1+r)"+P(1+r)"'+......+P(1+r)+P(1+r) 円 等比数列の和 1万円 利息006 1年末 1006+1 252₁ {10.06+12+1] 0.96 +1 (1,0641) 1.06 例題から 戦利 2年目に利息がつくのは 年度初めのP円は したがって 求める元利合計 S は 20600ではなく 自分で入れた20000円 を見る 毎年度初めの元金は、1年ごとに利息がついて (1+r) 倍となる。 よって年度末には, 1年度初めのP.円は 2年度初めのP円は 円, P(1+r)" P(1+r)^-1円 円 P(1+r) Sn=P(1+r)"+P(1+r)"' + ...... +P(1+r) P(1+r){(1+r)" —1} (1+r)-1 P(1+r){(1+r)^-1} になる。 (円) ・P円積立 基本96 P(1+r)* 円 P(1+r) ¹ P -1 P(1+r)n-2 円 年度末 かける なら0.06を P(1+r)² 円 P(1+r) 円 P円積立 渡利 2年目以降 利息をたしたところに 新たな利息が 1年に10000 20600円~4 それに利息がつく 1年後利息 6分 (年利率) (0000 1 600 13 右端を初項と考えると, は初項 P(1+r), 公比1 項数nの等比数列の和であ る。 練習 98 は元利合計はいくらになるか。ただし, (1.05)' = 1,4071 とする。 年利5%, 1年ごとの複利で,毎年度初めに20万円ずつ積み立てると、7年度末に 〔類 立教大) p.536 EX65 初 a: A #3 I a3= I ag= ゆ d= [1] [2

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TOEIC・English Undergraduate

8番ですが、本文の内容に合っているか合っていないか、どちらにもとれそうで迷っています。 教えていただきたいです。

20 D 007 feel guilty about eating so much. People tease me for being fat and I pretend it Hello Sarah) I've put on a lot of weight recently. I make myself sick when I doesn't bother me, but I cry myself to sleep. My family says nasty things about my size, too. Please help me lose weight. 5 15歳の女の子の悩みの相 Barbara, 15 Sarah says: Hello, Barbara. Please try to stop making yourself sick. Beauty comes from within and in all shapes and sizes. The main thing is to be healthy. This can be done through your diet and by exercising. (It's unkind of your family to tease but pl" t ↳ To Tease 10 maybe they don't know that it upsets you So tell them how you feel. Ask your mom to help you follow a healthy, low-fat diet. Cut back on potato chips, cakes and sweets. Why not take up swimming or jogging? By eating healthily and exercising, your body will naturally reach a healthy weight. Don't skip meals, go on a crash diet, or make yourself sick. You may damage your body 15 if it doesn't receive the right nutrients. If you can't talk to your mom, your doctor will help. If you are unable to stop making yourself sick, call the Eating Disorder Association Helpline. Eating Disorder Association Helpline 01603765 050 Monday-Friday, between 4 p.m. and 6 p.m. Email: eda@netcom.co.uk

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TOEIC・English Undergraduate

()のなかで当てはまるものを教えてください。 お願いします。

lounon 01. (Can/May) I ask where (do you come from/you come from)? 02. Today I (shall be working/will work) after school. 03. Do you want to go with usi i would/can) if (could/would/can) but I (couldn't/wouldn't/can't). 04. To the extent he was able, our English composition teacher taught us (construction/ to construct) a group of words with a (completed/completing) thought, a sentence. 05. If I (am/is/are/was/were) asked a question in English, I try to answer in English. 06. He (has eaten/had eaten/ate) breakfast by the time he left the house. 07. What (will/would/can/could) you choose if you (will/would/can/could) choose between Pascal's wager and cryonics? 08. If I (am/is/was/were) a rich man, 1 (could/can) build a five story house. og. If I (was/were) speeding, I slowed down. 10. If I (am/was/were) a king, my wife (would have been/would be) my queen. 11. Would you please tell me what (is your name/your you mind lending me a hand? 13. I (couldn't/can't) see well for the snow was so heavy. 14. (After having/When became/had become) the shift manager. 15. The doctor would not (have given/give) vaccinations (would of/would have/had) (he/she) is)? 12. (Would/Could) name 1) worked part time a few weeks, I (have become/ (know/knew/known) (because/that) they (have/had) never been (proved/proven) to save a single life. 1-03 1-04 (spoken/speaking).

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English Junior High

なるべく早く答えて欲しいです!! これの真ん中部分の和訳がわかんないんですけど、どう訳せばいいか教えてくださいm(*_ _)m 1枚目の写真だと、赤線が引いてある線と、長い黒線が引いてある部分です。2枚目の写真は、真ん中らへんのearth millions の黄色線が引いて... Read More

10 20 called trunks, w eir mouths. Elephants cannot see very well. Their eyes are on the state of their heads, so they have to move 全体 their whole body to look at things. The phants have very good hearing, but 耳 they do not all have big ears. The elephants in Africa have very big ears. They 耳 use their ears to help them cool down on hot days. Elephants in other countries do not have such big ears. 両方とも Elephants live in both Africa and Asia. They can live for about 70 years. たいていの That is a long time. Most of an elephant's life is spent eating. Elephants spend 75% of their day eating. They eat a lot of plants and trees. They do not eat other animals. Elephants also need to drink a lot of water. They drink more than 250 liters of water a day. That is like drinking more than 700 small bottles of water a day. Elephants do not like to be on their own. They travel around in groups, いつも usuall 全体 aily with about 10 other elephants. When new elephants are born, the whole group helps to look after the new baby elephants. Elephants are very lucky because other animals do not attack them. クニッ Sometimes baby elephants are attacked by lions and crocodiles. However, 26 there is a bigger problem for elephants than lions and crocodiles. The bigger ~の部分 problem is humans. Humans kill many elephants. Parts of the elephant are 価値 worth a lot of money, so people want to get these parts and sell them. KR さらに、 ゾウ People also kill 'elephants

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