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English Senior High

不適切なものを選ぶ問題。 この問題の答えが上から順に 2 4 1 3 4 2 2 4 3 2 になるのですが、回答の根拠が知りたいです。全部じゃなくてもいいので力を貸してください( ; ; )

3 (1) The Eames Chair, designed by Charles and Ray Eames, has copied and sold worldwide over the decades. 11 2 (2) The cherry tree planted in front of my office was cut down because the construction of a new 2 building. 12 2 (3) Not only did Arthur Conan Doyle created the character Sherlock Holmes, but he also wrote about martial arts and skiing and then popularized them in Britain. 13 3 (4) J. M. W. Turner, who was interested in modern technology, expressed the speed, powerful, and 1 2 3 force of nature in his painting titled Rain, Steam, and Speed - The Great Western Railway. 14 (5) Since I am moving into a new apartment next month, I would like to buy some nice, stylish 1 2 3 furnitures such as a famous brand sofa or table. 15 4 (6) He cannot help crying, especially at the sad scene of the film which the dog, Hachiko, waits for his master at Shibuya Station during the heavy rain. 16 3 (7) The Department of Foreign Studies are temporarily located in the new building opposite the 1 main gate. 17 2 3 4 (8) Hiratsuka Raicho is best remembered for a monthly feminist magazine, Seito, the first 1 2 publication of whose came out in September 1911. 3 18 (9) Canals are artificial waterways, often constructed either to manage floods or to servicing water transport vehicles. 19 3 (10) Some bacteria cause infections, but a large number of others they are harmless as well as 1 2 3 helpful to people. 4 20

Resolved Answers: 2
Mathematics Senior High

赤線のところがどうしてなのかわかりません。

空間ベクトル となるから LQ=2 -a + a a =2LM+LK と表せ Polo = -s+t-5\ S 2t+2 が,a= -1 LR=20 a -21 0 a=2LM+2LK |LO= -(-2)+2(9) a a =LM+2LK (2) LM-LK=d', |LM| LM・LK a² 1 2 cos 0=- 0= TC |LM||LK| 2a 2 |LK=√2a だから, 0= ∠MLK とすると 106 直線1: (x, y, z) = (5,0,0)+s(1, -1, 0) 上に点Po. 直線m: (x, y, z=0.02)+t(1, 0, 2)上に点Qがあり, PoQ はベクトル (1,1,0)と (102) の両方に垂直である. 次の問いに答えよ. (1) Po, Q の座標を求めよ. av 6=10 2 のいずれにも垂直であることより |d・PQ=(-s+t-5)-s=-2s+t-5=0 PoQo = (-st-5)+2(2t+2)=-s+5t-1=0 8 : s =- t= 3' よって、 Po, Q の座標は 8 Po(30). Q(0.4) (2) (1)より, PoQo 2 4 -2 であるから 3 | PoQo] ==—-—=√(−2)²+(−2)²+1²=4 3 PQ=PP+PQ+QQ PPo, QoQ はいずれも PQ に垂直であるから PP・PoQ = 0, QQPQ0 ① したがって (金沢大) (2)より ①より よって |PQ|=|(PP+QQ)+PQ012 =|PP+QQ|2+2(PP+QQ) PQ + |PQ|2 |PQ012=16 (PP+QQ)・PQ=PP・PQo+QoQPQ0 = 0 |PQ|=|PP+QQ|2+16 □ (2) PQo| を求めよ. (3) 直線上の点P,直線上の点Qについて, PQ を PPo, PoQoQoQ で表せ. また, [PQ|=|PP+QQ12+16であることを示せ. 思考のひもとき 1. 点 (α, β, y) を通り, ベクトル (a, b, c) に平行な直線は x a y B a +t b ( tは実数 ) 0-0-0 C (x,y,z) 2直線の位置関係は 「(α, B,γ) と表せる. (a, b, c) をこの直線の方向ベクトルという. (0,0,0) 解答 (1)1, m上の点Po, Qo は Po(5+s, -s, 0), Q(t, 0, 2+2t) (i) 交わる (i) 平行 (Ⅲ) ねじれ P. m Q 286

Resolved Answers: 1
English Senior High

教えて欲しいです!! お願いします!!

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Resolved Answers: 1
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