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Mathematics Senior High

数学の質問です。 左が授業で先生が書いた板書をまとめたもので、 右が自分の解き方をまとめたものです。 自分の解き方だと解が正しく求まりません。どこをミスしているか、どうすれば正しいかいが求まるか教えていただけると嬉しいです。 回答いただいてもすぐに反応できないと思うのでご了... Read More

熱教待数の方接式 2*+ag+b =0 の1つ 幅 2-5であるとき、0.bの値とそのときの 方程式へ解を求いす。 自分 よって,*- 47+1. 仮数、解答> 0.bが有出数,以 aX-b=0 → -b=0 -2、で-9(4ス→1) = 4ズ+プル く) 0キ0とと aメtb0 り d" と 4(47+1) +ス=(72-4 2-9ズ=ス(17ス+4) =17ス+4ズ =(T(4スー) +4ス="72ス+17 Lたがって, グー0ズーb-022+17)+al42+1) +b よってa-0 こへてき, b=0 1- 9-5 。き。 タ-2--5 T-49-4 : 5 g-42-1に0. - 1ta-72)ス+スtbt17 2,2-5を代入するとと, ダ"+ Qズ+b=0になること判。 40-72)(2-5)+ 0+b+ 17 =0 て。 2-0ス-6 - (x-4ス-D(st+42+ 0+1D) + (40+72)2+0tb+17 ー8) であるから、 タ=2ー-15を代入すると, スー42-1-0に 注意して、 (40-712)(2-5) +0+6+17=0 /キって与ずにaこ18, b=1を代入す証と. g+aズ+b =D 40-72, a+b+l は有理教で 2-15 君約てみさから. 9 ーは+1 = 0 t-2とおくと。 ゼーはt+ - 0 40+72=0,atb+7-0 , 0= 一は, b- | t-9=月1-1-9245 これを(x)代入して。 t-Tり、 -9245 gt-0ズtb = (ズ-4スー)(z^,4ス-1) タ=1 9245 -5F - 512 -1 1250 もて,X-2-5 a他の解は 2= 25, -225 よって~ 2-5の他の解に 25.-2+5 → -2-5 が出ない。

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TOEIC・English Undergraduate

Could anyone check if my answers are correct

ad been' performing for two hours when the power went off. buy / wasn't buying the dress. 2 correct the sentences. bake a cake for my friend's birthday yesterday. Ibaked a cake for.my.friend's bithday. yesterday. 2. Deyet feet energetic right now? 3. My teacher didn't gave me back my test. Li you te l 4. Roberto had went to bed beforel came home. 5. My brother had-stept when I called. 6. Stefan is very ambitious. He's sttdies to be a doctor. en kd skepiny オ 3 Complete the message. Use the Correct form of the verbs in parentheses. en Search Join Home Create Messenger Mina ■ 0 arch Mina Kim Hey Kim! Options I'm so happy that you got in contact! we left high school. T haven't heard from you since a Search conversation Edit profile about me … ? Well, after high school | ' went What can I tell you Notifications (go) to college for four years and studied marine biology. While | (learn) about the ocean and marine life, I decided that my ambition was to work in an aquarium. At first, I wasn't confident that| (can) get that kind of job because it's so popular. But I was 3 patient and worked hard, and nowl'm working at an aquarium in Toronto. I's a litle far from my house, sol4_r0e day-it takes about 50 minutes. I'm really happy there. I especially love working with the seals-they're so affectionate! (drive) there by car every lenakl cdecide) 98gn Ma How about you?I heard from Maria that to move to France before you finished college. __// there now? Are 5 you (live) (have) kids? Please let me 7 married? you know.I really want to hear about what ©_ 90lhg on_ (go on) in your life right now. Hope to hear from you soon! Love, Mina PS Here's a picture of me with a coworker!

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Mathematics Senior High

左下のほうの?の部分について詳しく教えてください。 何故b0やa0が出てくるのですか?

11 数列と極限の応用,対数関数の応用 1-1. 3項間の漸化式とその応用 1-1-1. 白銀比 白銀比は,古くから日本建築などで多く使われてきた比である。。 またA判, B判の用紙の2辺の長さの比も自銀比である。 例題1 例えば, A3 版の用紙の長辺を半分に折ると A4版になる。 A3版の2辺の長さの比は, A4版のそれと等しく, 相似である。 一般的に, n20において, An版の用紙の長辺を半分に折ると An+1 版になる。 An版の2辺の長さの比は, An+1版のそれと等しく, 相似である。 A0版の用紙の面積は1㎡である。 このとき, An版の用紙の長辺の長さをanmm, 短辺の長さをan+1 (mm)と定義できる。 (1) a,の一般項を求めなさい。 hs 解容 An版の用紙の長辺を半分に折ると An+1 版になるので an an+z = |Al 2 …の w An版の2辺の長さの比は, An+1 版のそれと等しいので, an:0n+1 = an+1:On+2 03 Qn の 0のより O On-(20nc) As = 03 Aats = an +1 Oル イ入して、 20 Anre 2-0:Ontl Om: 0ne [am 2 2 2 = bとおくと Anel: 2 11 数列と極限の応用, 対数関数の応用 br bn+1 等比数列の公式より baibl4) an= aur"! Aの0乗は1 b, = bo() よって A0版 an = ao a0.| Im? = ag A0版の用紙の大きさが1㎡なので, aga = 1000× 1000 =D 106 1 aga = aga,ー= 100 = 10%2) 10°同 o = 1032 以上より Cn = 10002 (n20) 補足 V2 = 1.414, V2 = 1.189 とすると, 10002 = 297 4 a4 = 1000V2 1000VZE = 210 5 as = 1000VZ( 8 1 る-レがわかる

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English Senior High

急ぎです🙏🏻🙏🏻高2の英語の問題です。1枚目を参考に2枚目の質問に答える問題なのですが、書き方や文法があっているか教えて頂きたいです。

Strongest! | Lesson 1 Part 1 challenge [elinds] の “I know a successful player, 1) who's been trying to achieve. a Roger Federer [rá()dgar fedarar] wheelchair [hwi:ltfear] rank [repk] greater challenge than mine.” Roger Federer, one of the world's 5 best tennis players, showed great major (形) [mérd3ar] 第 official [afjal] ア respect to a Japanese tennis player. His name is Shingo Kunieda. He Paralympics [paèralimpiks] Roger Federer is one of the top wheelchair tennis players, and has tournament [ttarnamant, t3:r-] except [ksépt] bounce [báuns] G-1) been ranked first in the world for many years. 2) Wheelchair tennis is one of the major wheelchair 10 sports in the world. It has the status of an official accurately [ékjaratli] の technique [tekni:k]の sport in the Paralympics, and has as many tournament G-1 games as regular tennis does. Its rules are almost pay [pé] the same as those of regular tennis, except for one 15 thing. The players can let the ball bounce up to two !)TRIVIA times before returning it. Wheelchair tennis requires technique「技術」 専門技術·技法,および スポーツ·芸術などの技術· テクニックを表す。 一方、 skill は熟練した技術·能 カ·手腕などを表す。 players to have the skills to control the wheelchair quickly and accurately, as well as the techniques of tennis. Players also need to pay careful attention 20 to their body condition while they are playing. *. uie sanme as A His cellphone is the same as mine. 14. except for A Except for one mistake, you report is excellent. 15. up to A You can borrow up to three books in this library. 19. pay attention

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