Grade

Type of questions

English Senior High

教えて下さると嬉しいです(><)(><)

A. Circle the correct answer for each question. likely to be jealous of someone 1. You are more 2. Which do many people decorate at Christmas time? 3. Which are people more accustomed to? a. rich a. a feast b. a tree a. spending money b. receiving awards a. an empire b. a rifle a. an insect b. water a. help it b. ruin it a. excited b. confused a. a contract b. a feast a. a recruit b. a contract a. being punished b. getting a reward B. Complete the paragraph with items from the box. Two items are extra. 4. Which of these is a weapon? 5. Which of these flows? 6. What would profit do for a business? 7. Which would people rather be? 8. Which would you invite friends to share with you? 9. Which would you sign? 10. Which would few people enjoy? discovered resembled establishing rights called Sealand. faced status - Many people change countries during their life, but one man has (1) (2). This surprised people in the Bates and (6) to leave the platform. However, Roy (8). (9) by Roy's son and (10) grief the rest of heir took over in the sea to contain (3) that would be used to fight off invaders. After the war, the soldiers left these platforms and they were forgotten - until 1967. In that year, a British man, Roy Bates, one of the platforms and announced he had started his own country, b. poor himself by his own country. During World War II, the UK built a number of artificial platforms made a name for weapons who believed they had the (5) the people on the island (his family), (7) to the platform. orders In 1968, a court decided that the UK had no power over Sealand. Just like other places with the that the platform was in international waters. of a country, Sealand, has its own stamps, coins, and passports. It is controlled 'Prince' Michael, and is home to a large Internet business. in 11-15

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English Senior High

教えて下さると嬉しいです。。涙

Circle the correct answer for each question. A. likely to be jealous of someone 1. You are more 2. Which do many people decorate at Christmas time? 3. Which are people a. rich a. a feast a. spending money b. receiving awards a. an empire b. a rifle a. an insect b. water a. help it b. ruin it a. excited b. confused a. a contract b. a feast a. a recruit b. a contract a. being punished b. getting a reward B. Complete the paragraph with items from the box. Two items are extra. 4. Which of these is a weapon? 5. Which of these flows? more accustomed to? 6. What would profit do for a business? 7. Which would people rather be? 8. Which would 9. Which would you sign? 10. Which would few people enjoy? discovered resembled you invite friends to share with you? called Sealand. establishing rights faced status grief the rest of Many people change countries during their life, but one man has (1) (2) heir took over (9) by Roy's son and (10) This surprised people in the UK, who believed they had the (5) . Bates and (6) to leave the platform. However, Roy (8) - b. poor in the sea to contain (3) that would be used to fight off invaders. After the war, the soldiers left these platforms and they were forgotten - until 1967. In that year, a British man, Roy Bates, one of the platforms and announced he had started his own country, b. a tree himself by his own country. During World War II, the UK built a number of artificial platforms the people on the island (his family), (7) - - made a name for weapons to the platform. orders In 1968, a court decided that the UK had no power over Sealand. Just like other places with the that the platform was in international waters. of a country, Sealand, has its own stamps, coins, and passports. It is controlled 'Prince' Michael, and is home to a large Internet business. im 11 - 15

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Science Junior High

(2)と(3)のやり方教えてください🙇‍♀️

図 1 46 凸レンズによる像 図1のように,3個 こうじく のLEDを一列に並べた光源をスタンドの 台の上に置いて, その真上に凸レンズ , ス クリーンをとりつけた装置を組み立て,光 源の緑色LEDを凸レンズの光軸の位置に 合わせた。凸レンズ, スクリーンを動かし て、スクリーンにはっきりとした像がうつ ったときの, 光源から凸レンズまでの距離, 光源からスクリーンまでの距離を調べ,表 にまとめた。 次の問いに答えなさい。 (1) 実験で用いた 凸レンズの焦点 距離は何cmか。 光源と凸レンズの距離 [cm〕 20.0 30.0 45.0 光源とスクリーンの距離 [cm〕 80.0 60.0 67.5 赤色LEDの像の中心と青色LED の像の中心との距離 X 2.0 1.0 [cm] ② 表のXにあてはまる数値は,どのような大きさか。 次のア~ウ から選び,記号で答えなさい。 ア X<1.0 イ 11.0< X<2.0 X>20- ウ 図2は, 光源と同じ大きさの実像がスクリーンにうつったとき の凸レンズとスクリーンの位置である。 赤色LED, 青色LEDか ら出た光a, bの進む道筋を作図して示しなさい。 スクリーン 凸レンズ、 スタンド 円光源 11! icmicmi 13 凸レンズのはたらき 図2 | 赤緑青 凸レンズ スクリーン a 焦点 中心 6の答え (1) -焦点 b 赤緑青 光源 (2) (3) 図2にかく。

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Mathematics Senior High

72.1 原点Oについての文章は必要ですか? また必要ならなぜ必要なのでしょうか?

[0] 基本例題 12 座標を利用した証明 (1) 食 (1) △ABCの重心をGとする。 このとき, 等式 ABCT)ALLED AB'+BC2 + CA'=3(GA²+GB2 + GC2) が成り立つことを証明せよ。 9 $ (2) △ABCにおいて, 辺BC を 1:2に内分する点をDとする。 このとき, 等式 2AB'+AC2=3AD' +6BD' が成り立つことを証明せよ。 TOLOUR MAT 指針 座標を利用すると, 図形の性質が簡単に証明できる場合がある。 そのとき 0 31 けで AB この座標軸をどこにとるか、 与えられた図形を座標を用いてどう表すか がポイントになる。そこで後の計算がらくになるようにするため,問題の点がなるべく 多く座標軸上にくるように 0が多いようにとる。 (1) は A(3a, 36), B(-c, 0), C(c, 0) とすると, 重心の性質からG(a,b) (2) l A(a, b), B(-c, 0), C(2c, 0) CHART 座標の工夫 1 0 を多く ② 対称に点をとる Let 解答 (1) 直線BC をx軸に, 辺BCの垂直二等分線をy軸にとると,| 線分BCの中点は原点0になる。 A (3a, 36),B(-c, 0), C(c, 0) とすると, Gは重心であるからG(α, b) と表される。 よって AB2+BC2 + CA 2 (1) +8+-- =(-c-3a)² +962+4c²+(3a-c)2 +962 ① の場=6a²+662+2c2 ...... 0212 =3(6a²+6b²+2c²) HOMEB 平行四辺 GA2+ GB2+GC 2 (1=(3a-a)²+(36−b)²+(-c-a)²+b²+(c-a)² + b² ② ① ② から AB2+BC2+CA²=3(GA+GB2+GC2) (②2) 直線BCをx軸に点D を通り直線BC に垂直な直線を y軸にとると,点Dは原点になり, A (a,b), B(-c, 0),( (20) と表すことができる。 24+ (x + (11) M よって 2AB'+AC'=2{(-c-a)+(-6)^}+(2c-a)+(-6) 2 =2(c²+2ca+a²+b²)+4c²−4ca+a²+6² 2)2 2007 =3a²+3b²+6c² 3AD²+6BD²=3(a²+b²)+6c² ①②から 基本 71 ② B (-C,0) 2AB²+AC²=3AD²+6BD² +3,0 0-8 A 基本 85 EA(3a, 36) 0 (G (a,b) (c, 0) x y A(a, b) (E) 4 B12- (-c, 0) OD a(s) 2−)Ɔ (^_{}ª_{{I_DA Mɛ (1) 3DSMATRROS:8,9% 音の点をPとする。このとき,等式 117 (2c, 0) x ET 3章 12 直線上の点、平面上の点

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