中2数学です アの答えはBCですが、ACでもまるですか？

7 右の図で,正三角形ABCの辺BC, CA上に点D, EをBD = CE となるよ うにとります。このとき, △ABD≡△BCE となることを,次のように証明しま a した。 ア~エにあてはまるものをいいなさい。 2°081= GAS |証明 △ABDと△BCE において 仮定から AB=ア BD = 正三角形の内角だから ∠ABD = ∠BCE = ...3 ① ② ③ より エ がそれぞれ等しいから AABD = ABCE 。 C ANGARIN

（3）なぜisなんですか？

do last summer? liabhaini boog tudy Engl (3) (Does (Is) your father busy? unds odd Tobauged s (4) (Is / Does Nancy play tennis every Sunday? elshaddaslood simos vas viedt not go to the parties. (5) I (am/do)

数学Aの授業で解いた問題です。 答えは2枚目です。 教えてくださると嬉しいです！

154 AB=10, ∠B=2∠C である△ABCにおいて, ∠B の二等分線と辺ACの交点をDとする。 A, Dから辺BCに 下ろした垂線を,それぞれ AE, DF とするとき, 線分EFの 長さを求めよ。 AB=BC=AD:DC=EF:FC 10 A ( BE F 5

答えがno problemでした。補足説明のところで許可を求められたときはsureかall rightを使うと書いてあったのですが、このふたつと同じ意味でno problemを使えるということでしょうか？

das B: I'm sorry, but he's not here now. TO FOT A: Can I use your pencil? B: No ( ). Here you are.

④と⑤とGが出てくる意味がわかりません。

右の図のように,関数y=ax²...アのグラフ上に3点 A, B, C, y 軸上に点Dを,四角形ABCDが平行四辺 形となるようにとり, 四角形ABCDの辺ABとy軸との 交点をEとする。 点Aの座標が(-4, -4), 点Bの座 標 (2, p) とする。 x軸上に点Fをとり, CDF の面 積と△AEDの面積が等しくなるとき, 点Fの座標を求め なさい。 ただし, 点F は, 直線 CD について, 原点と同 Å じ側にとるものとする。 <三重県 〉 解き方 2 求める座標を文字でおく 点Fの座標を文字でおき, 等式をつくって点Fの座標を求める。 y=1/x-2 解き方 3 必要な長さや、 座標, 直線などを求める △AED = - =1/12/2x - × 10×4=20 点のx座標とすると, F(f, 0) 直線DFは傾きが ④[ 点Cからy軸にひいた垂線と直線DFとの交点をGとすると, f G ( [ 4 A A なので.y=2x-12 y 0 PF 解き方 1 問題の条件を図に書き込む A(-4,-4) がy=ax2のグラフ上にあることより,アの式はy=①[ 〕 B(2.p) はy=-2x2のグラフ上にあるので、p=-12×22=-1 B(2,-1) 点Dのy座標をdとすると D (0, d) 四角形ABCD は平行四辺形なので,C② [ ), d+3) C(6.d+3) はy=-1 =-212x2のグラフ上にあるので.d+3=-2x62 d=-12 よって, C (6, -9), D (0, -12) 直線ABはA(-4, -4),B(2,-1)を通るので,y= よって, E(0, ③ [ D) D E -4 2 B 〕, -9) よってCG=6 △CDF=CDG+△CFG=12x16-1/4)×3+1/12x16-1/4)×9=616-1/4) CD=△AEDより 616-1)=20 これを解いて.J=⑨[ 答え DASI [1] x ]

教えてください！！

20. 否定倒置・省略・強調 Practice 7. Tom has never kept his promises. He is the ( 1 first 2 last 3 latter O have yet to find 3 have ever found <愛知工業大 > □ 8. The researchers have arrived at an accurate diagnosis but they ( ) how they can cure the disease. 9. ( ) that such a lucky day would come. Never I shall dream 3 Never dream I 2 have been found 4 be to find □ 12. I don't smoke, and (). neither does he 3 he doesn't smoke too ) person we can trust. 4 least 10. Not only ( ), but she tried to steal my money. she told a lie 3 she tells a lie 13. Kaoru likes ice cream, and ( ). Tadashi likes, so 3 so Tadashi does 2 Did I never dream 4 Never did I dream 11. Keiko doesn't like coffee. ( ) do I. 1 Either 2 So 2 must she tell a lie 4 did she tell a lie 3 Also 4 Nor 2 he neither smokes 4 he doesn't smoke neither 2 Tadashi, too, likes 4 so does Tadashi 193 14. She is () that her boss trusts her more than anyone else in the office. Westgat DESARS 1 so able a secretary 2 able so a secretary 3 so an able secretary 4 so able secretary 193 〈 慶應義塾大 > 194 〈駒澤大) 194 <福岡大) 195 〈南山大) 195 〈山梨大) 195 <東海大) 196 <杏林大) 196

これはどうやって因数分解すればいいのですか？

(b − 2) - idquard 19das 3ab - 6a -

答えがないので教えて欲しいです！

C B UNIT 4 1) A 次の英文の意味を表す単語を下から選び、書きなさい。 1) the number of people living in a particular area 2) to be different from someone or something Extra Questions destination ( 3) to argue or disagree with someone about something 5) to tell someone that something bad or dangerous may happen, so that they can avoid it 4) the place where someone is going or where something is being sent ( 2) I am ( Dlack differ dispute に入る語(句) を選びなさい。 1) This spray should protect you ( 1 on 2 with Vocabulary population warn 入試問題で Idiom & Usage を確認! く www. ) mosquitoes. 3 from ) of cash. Do you accept credit cards? 2 short 3 want 4 in anidglob bus abuid yd-r 4 need 4) The train was delayed for an hour. ( ), I arrived late for class. 1 As a result 2 All the while Intet 3 Once in a while 4 In the meantime 一番 日本語に合うように,( )内の語(句) を並べかえなさい。 1)それらの巨大な石の像はモアイとして知られている。 boot ( (中央大) 3) I ( ) this story before because I remember what happens next. 21 1 can read 2 must read 3 cannot have read 4 must have read (those/ are/as / huge stone statues / known) moai. The (char E'S (0) Idiom & Usage 2.15 ISTIL (創価大) C.19 (s) (大阪(日本大) e.24 (明海大) 8.0J (1)#**** .800TI vse srl ni bolel teed no bobnal tit douT moat Litsi znobmolel vstended T LOOT CLA balls 2 ) その島はかつて木々に覆われていたと言われている。 tadmuner looq at JAD (the island /is/ said / was/it/ that) once covered with trees. fasoo adige Wi ainkig beboud snin 19v0 e.10 Ils snow-basiel nadad basous daß dT9 0.1- bronce covered with tree

問2ってなんだと思いますか？？

問いに答えよ。 Owen was a six-year-old boy. He was in the airplane from Tampa to Houston He said to his mother, "Where is Hobbes? I can't find Hobbes." Hobbes was the name of his toy tiger. His mother answered, "You had it in your hands when we arrived at Tampa Airport. Maybe (1)(Dleft 3you/Dit/at) the / Owen was very sad and began to cry. airport." Mr. White, manager of the airport, found Hobbes near the children's play area. He had a great idea and [ ア This friends at the airport for help. He also called Owen's mother and said, "We've found Hobbes. We will (a)return him to your son when you come back from Houston. While you are in Houston, we will take him on ()an adventure tour. Owen's mother thought, "What did he mean?" When Owen and his mother (a) returned to Tampa Airport, they were really surprised. They saw Hobbes with a photo book. When Owen saw the photo book, he was very happy. Mr. White said, "]My friends in this airport (c)look many photos of Hobbes in the airport." Owen's mother finally understood the meaning of Mr. White's words, and thanked him very much. Big 問1 (1)を正しい英文になるように並べ替えよ。 問2 空所[ [ア] にあてはまる語を選べ。 Dasked Qwent 3depended 4talked 問3 (a)と(b) の return の意味をそれぞれ選べ。 ① もどる ② もどす 問4 (c) took の主語を選べ。 OMy friends in this airport 3this airport 11

話法の問題です。 （3）を教えて欲しいです。

29 各組の文がほぼ同じ意味になるように,( )に適語を入れなさい。 AXARS (1) (a) The instructor said to Gina, "You can be a professional dancer." Cashiego Lu ) Gina that ( BUTY US (b) The instructor ( ) ( (2) (a) My father always says, "I need to get more exercise." nailson radi mod ) to get more exercise. (b) My father always says that ( ) ( . (3) (a) Charlie said to me, "I don't know your email address." eshop adi (b) Charlie (rice) ( ) that ( ) ( ) know ( en toewen ou diw beanslq 916 9W ) be a professional dancer. boriogs1 ledasise sdT sada ym boolton ybodol sa a el todist M (s) 12 LW (d) ) email address.