誤りを正す問題で4をcertaindにするのであってますか？

works of authorship,” _included literary, dramatic, musical, artistic, and cetain (1) Copyright is a form of legal protection provided to the creator of “orignal B 文中の下線部 works of authorship," .included literary, dramatic, musical, artistic. ana

どっちもＹ=にして、方程式を作るのは出来ないんですか？

x=α が解 → &=e を代入して方程式が成り立つ 2つの2次方程式 2x?+kx+4=0, x?+x+k=0 がただ1つの共通の実数 解をもつように, 定数kの値を定め,その共通解を求めよ。 合 0 O0 SOLUTION |基本75 CHART 方程式の解 2つの方程式の共通解を 202+ka+4=0, α^+α+k=0 が成り立つ。 これを α. kについての連立方程式 とみて解く。実数解という条件に注意。 x=α とすると, それぞれの式に x=αを代入した 解答 共通解を x=α とすると 2a°+ka+4=0 0-②×2 から (k-2)α+4-2k=0 すなわち よって のえに ] k=2 のとき 2つの方程式は,ともに x+x+2=0 となる。 その判別式をDとすると 3章 Q+a+k=0 x=α を代入した① と 2の連立方程式を解く。 *の項を消す。 (R-2)α-2(k-2)=0 (R-2)(α-2)=0 k=2 または α=2 0-(ト-)(E+x) *共通の実数解が存在する ための必要条件であるか ら,逆を調べ十分条件で あることを確かめる。 D=1°-4-1-2=-7 =ax+bx+c=0 の判別 式は D=b°-4ac D<0 であり, 実数解をもたないから, k=2 は適さない。 2] α=2 のとき のから このとき2つの方程式は 日2x°-6x+4=0 となり,O'の解は x=1, 2 よって,確かにただ1つの共通解 x=D2 をもつ。 1, [2] から 22+2+k=0 ゆえに k=-6 2 2の解はx=2, -3 x2+x-6=0. * 2(x-1)(x-2)=0, (x-2)(x+3)=0 k=-6, 共通解は x=2 INFORMATION この例題の場合, 連立方程式①, ② を解くために,次数を下げる方針で α の項を消 去したが,この方針がいつも最も有効とは限らない。 トのPRACTICE 79 の場合は, 定数項を消去する方針の方が有効である。 世通留をとま

TOEICの問題ですが、全然分からず困っています。教えていただきたいです！

Part 5 Incomplete Sentences 短文穴埋め問題 ま文の空所を埋めるのに適切な語句を、(A) ~ (D)から選んでマークしましょう。 wob 14. The ad campaign had the desired of bringing in new custonmers. 17. The old heater was replaced during last week. routine (A) affect (B) effective (C) effectively (D) effect (A) maintenance (B) influence (C) residence (D) emergence 1S (日) (en on liw (3) C) ABOO ABOO the survey, half of the respondents remain single. 18. The mall is easily accessible to all the SS of East and North Town. (A) As far as (B) According to (C) In addition (D) No matter how (A) popular (B) popularity (C) population (D) popularly ABOO ABCO 16. Bridge Hotel has been enjoying a for customer service. (A) reputation (B) estimation (C) completion (D) compensation AB00

回答わかる方いますか?

16 次の(A), (B)の問いに答えなさい。 (A 次の英文を読んで, 文意が通じるように, 2回~16時に入れるのに最も適切な語(旬) を0~ から1つずつ選び, 番号で答えなさい。 In 2019, the Rugby World Cup was held in Japan. Rugby wasn't very popular among Japanese people until just a few years ago. In the *previous World Cup in 2015, Japan won a game against South Africa in a dramatic *upset victory. And in this World Cup, Japan reached the final eight. The Japanese national team made history and has 0 taken 5@ brought Do you know who started Japan's *bid to host the Rugby World Cup? There was a man who had a great passion for rugby. He was a * diplomat named Katsuhiko Oku, In 2003, he was suddenly attacked and killed by *terrorists in *Iraq, He was 290 engaged O prepared He started playing rugby at a public high school in Hyogo. He also showeda great talent for rugby at Waseda University. At that time, he had a dream to be a diplomat and work internationally in the future. After deep *consideration, he decided to 30O continue to However, he *encountered rugby again at Oxford University, and he tried hard to 15 develop his skills there. He became the first Japanese player of the Oxford rugby team. After that, he kept his love for rugby in his heart and *devoted himself to Japanese rugby while he worked on the 31) | 0 social Six years after his death, it was decided that the Rugby World Cup would be held in Japan. O given rugby into the hearts and minds of Japanese people. O satisfied in *reconstruction support activities for Iraq. 10 @ keep off O give up rugby then. O necessary O international stage. [注) previous (前の) terrorist(テロリスト) consideration(熟慮) upset(番狂わせ) Iraq(イラク) encounter . (……に出会う) bid (宣言 reconstf uction (復興) diplomat (外交官) devote oneself to (…に身を捧げる)

2、6、7、10、11の英文の訳を教えてください。

Lesson 1 Part1 Friendships in the Digital Age (p.7-18 ) [Title ] (. 「You are now high school students. Some of you feel excited, and others feel nervous. How many friends canI make?”«Can I find a true friend?” You enter the classroom and talk to some classmates. Of you like each other, you can exchange social media information later. In the past, friendships grew slowly, but now it is quite different. °If you become friends online, you can get in touch anytime. °Moreover, social media gives you so much information about your friends-their hobbies, favorites, experiences, and so on. 'Thanks to social media, you can become close more quickly than ever before. °This is one feature of friendships in the digital age.

大至急！立体問題です。 (1)が何度考えても教えてもらっても分かりません。詳しい解説お願いします！

8個の合同な正三角形でできた, 図1 のような立体 X があります。 点P は辺 C DFを3等分する2つの点のうちFに近 D D い方の点です。立体Xの辺を3等分する 点のうちのいくつかを図2のように結 A び,立体Xの中に図3のような立体Yを 作ります。 A, B, Dを通る平面で立体 Yを切っ たとき,その断面は図4のようになり, 分けられた2つの立体の体積は等しくな ります。 P P B 図2 図1 C。 D C。 *D *P *P *F A。 *F A (1) A, B, Pを通る平面で立体Yを 切ったとき,分けられた2つの立体のう ち大きい方の体積は小さい方の体積の何 倍ですか。 図3 図4

(3)教えてください答えはy＝−7x＋10です

Matm hemet メロthe tics ics 数学 59 ie cs Mathe 自標 解当時間 ice hemo es hemati 右の図のように、関数 y=ax° (aは正の定数)のグラフ上に点A, Bが ある。点A, Bのx座標がそれぞれ -2, 3, また, 直線 AB の傾きが1 であるとき、次の各問いに答えよ。 分 Mathe 注意]これは撮出課題ではありません。 (1) aの値を求めよ。 (7点) 『-ar B Aぶす 9a-4a DA E -2 0 三laca 10 -4. 3--2 3ェ 0Q2 5a - |. 5 (2) y軸上に,△OAB と △OCB の面積が等しくなるような, 1,座標が正の点Cをとる。点 Cの座標を求めよ。(8点) 9-3tb 3t6=9 e 4ニ-6t -6 tb4 (3) 点Bを通り, OAに平行な直線と直線 ACとの交点をDとする。点Cを通り,四角形 き= 3スtb 32-15 10 2 OADB の面積を2等分する直線の式を求めよ。(10点) ど5 Oト - - スt2 t- DB=-Yニ- ズ t12 t 4こ - Xtb C-4 キーンも5 0 --2 =37+10 2+64 ベ+2 - 3xt10 = - X tb īth

Get the pictureを答えて答えてくれると嬉しいです

LESSON 10 The Underground Reporters September 1941 vors, 3 re n spreading a1 New Words Over sinister was closed. A sinister rumor was being set uい Yo hola [sinastarl Europe concentration camps were rumor [rú:mar] the Jewish population. concentration [kànsantréifan] evil [i:val] insist linsíst] S1 disagree [disagri:] Karli [kárli] resist [rizíst] Reina [réina] Klepy as a means of speaking out against the Nazis ララ E team. “Ifwe openly talk about resisting the Nazis. tho- resistance [rizístans] won't be a newspaper at all. We have to keep it light" “"Don't you see?” declared another boy, Reina. T paper itself is a form of resistance. It almost does matter what we write. Just the fact that we produc and circulate it is what's most important." Get the Picture 9. What did Ruda insist they should do? 10. What did Reina think was most important? And why? with each passing day ex. With each passing day she grew strongon speak out against ex. People are ofnoid ロロ0

答えがイなのですが，私はエになりました。どこが違うのですか？

問2、次の問いに対する答えとして 号を書け。 )内に入る最も適当なものを. ア~エから一つ選び、記 -&0 800x2 need for the entrance fee? Your sister is 3 years old. 谷( )yen. エ. 2,500 ウ、2,100 ア. 1,600 イ.2,000 t

3 なぜ (5)o(6)Cになるのか解説お願い致します🙇‍♂️

2次の下線部の語句が目的語ならば 0, 補語ならばCで答えなさい。 (1) His parents made him a doctor. (2) His parents made him a big house. (3) She has got some information about the country from them. なぜい5).16) (4) She has got very sleepy because she went to bed late last night. 1 (5 He found them a good place to live. He found them very good people, so he liked them.