学年

質問の種類

英語 高校生

答えと解説お願いします。。。

学習日 6) April Fools' エイプリルフール Day Jeg ns vaW 「1 Tom wanted to play a trick on Jack because it was April Fools' Day. He said. “Jack, do you know that the shop on the corner is paying 5 *"cents for old bottles? If セント you have any around the house, you should take , them to the shop." Jack always 1) wanted more money, so he didn't think about what day it was. As soon as he went back home, he asked his mother to collect all the old bottles in the house. Jack got 5 them from her and went to the shop. “Tm told you're paying 5 cents for a bottle," he said to the **shopkeeper. "Well, That will be 50 cents, please." The shopkeeper thought he 店主 here are ten bottles. 2) was joking, but soon remembered it was April Fools' Day. He said to Jack, “I think 10 someone played a trick on you, young man. 2 At first。Jack was very angry. But then he had a 'good' idea. He quickly went 3) to Tom's house and rang the doorbell. When Tom opened the door, Jack was smiling. Tom couldn't understand why Jack looked so happy. “D Did you go to the shop on the corner?" Tom asked. Jack answered, “Oh, yes. Of course. But, Tom, you were wrong. The 15 shopkeeper is paying only 4 cents, not 5 cents. I got 40 cents for ten bottles, anyway. Thank you very much for the advice." He smiled again and went back to his Own house. 3 After Jack went home, Tom began to collect as many bottles as possible. Before 20 noon, he got so many that he asked his father to carry them to the shop by truck. “I have 400 bottles for you," he said to the shopkeeper. “That will be 16 dollars, please." “You, too!" the shopkeeper said. “I know someone who **had a fine April 5) ~な日を過す Fools' Day with his friend." And then Tom knew that. he was the bigger fool. 6) 1 317 words

解決済み 回答数: 1
数学 高校生

sinθ=0のときa≠0、cosθ≠0となるのがわからないです。

実数t及び 0<a<1 である定数aに対し, 複素数平面上でz=t+aiが表す直線を1とする。 (1)複素数zが1上を動くとき, z'が表す点の軌跡を図示せよ。 (2)直線1を原点を中心に角0だけ回転移動した直線mをとする。mと(1) で求めた軌跡との 交点の個数をsin0の値で場合分けして求めよ。 く九州大> 26 703 フリ ma 大落式は (1) ミンttaと マ- (ttailttai) ピtatitati-& そ-t 2ati モーa, 3-2at とおと! そ-(o<acl) FV 2 -よ X= Co -a Gu8 0OF -a'= (30は -9 40 Sin8y-444no= 4ücosoy-f ○ Sihoy -faco -4t1in0 +4-0 予 n0t09d判的式を自をおと そー(2るco-g(-455-0 +き) ミ 4t co;0 + 4oifo -424:09 4at-4t5in@ 4 (a-Gne) いの 4a よってだ4る事気はスー 4at a R。 1 X- foc (ダー46) (Yp) Ging 2a2 2?o フキリ 0-5:n@>0 a^sino 0Caclilをfin8を1 FV 1ing<o」o<<iug <aのとき2個 →入 -1 0 1 -2at 孝-0 7キ -ino=0 ○ 5in0-9 att 7個 (2)あそを伝点を代に角Oだけ回転納待わした をんと持り 1(c69titino):2 C40tさいnの人もものえ) fcos0 tacoso+tsinoi-afi * tom0-01n8 +(acs8ttfino) そc0フ a-fin<0 a<sing 0<}no & laても 0個 (27) Wニ た 8-0+てき こ2き 040( Coのt〇なので て4 F1織質は 1個弱 ドミ trom0-asin0, Y-acso tfaingと持き KにドY R志の価数は tンメfatin@ oC98 モン -1En0cOr 6<5ino<aのとき2 4in82ac0 9とき 11個 Cos9 Gin日 う Yfafi T-acoso Ging 0<tno s1 ^てき ○個 afiu8 acoe iu8 (90 うる。 Cos0 X T-aC-8 aGine Cos0 Gino (%6 cosT-aco--aたe

解決済み 回答数: 1