1行目の問題からどうやったら2行目の答えになるのか教えて欲しいです🙏 ピンぼけしてたり字が読みにくいのはごめんなさい💦

のablatb)t 6cl6tc)tcalしta)tzabc (カ+c)a+(+2bc+c")atbcLbtc) :16+c)a+(b tc)"a - hc(6tc) (6tc)[azt(64C) athc) し6tc)lasb) (atc)

問題の解き方教えてください🙇‍♀️ S(面積)はできたと思います。続きが分かりません。

Try 半径 rmの円形の土地の周囲に,幅am の道がある。この道の 面積を Sm', 道の真ん中を通る円周の長さを@mとするとき。 S=alとなることを証明しなさい。 em- 『m am

数2の式と証明、恒等式の範囲です。写真1枚目の所まではできたのですが、続きが分かりません。解説お願いします🙇‍♀️🙇‍♀️🙇‍♀️

2) a+ftc= 0のとき αーfe = f-ca (左n)- (右n) - αーRCーftca a-ポ+c(a-B)

これわかりません

OO 下線部のの理由を説明する次の文を完成させなさい (2点×4=8点) )が高まり、 )を含む ©( )を飲むようになったから。 )の 代わりに ④ ( ● 下線部3への対策として挙げられているものは次のうちどれか。記号で答えなさい。(6点) アベットボトルごみへの課税 ィペットボトルの水の販売の禁止 ウベットボトルのリサイクルの推進 エペットボトルを捨てた人への罰則 GO( )に入れるのに最も適切なものを選び, 記号で答えなさい。 イ stopped I will have stopped (6点) ア has stopped ウ will be stopped 6 本文の内容と一致するものには○を,一致しないものには×をつけなさい。(3点×3=9点) ① Bottled water is safer than tap water. ⑤ More than halfof plastic bottles bought in America in 2015 were recycled. ©A study suggests bottled water needs more energy to be produced than tap water.

この問題(✓が付いてる問題)なのですが、なぜ現在形になるのでしょうか？現在進行形にはある期間繰り返し行う動作を表す用法もあると思うのですが…

Check! (1)~(4)は( )内の動詞を適切 Shall we, Shall | のうち最も適切なものを入れなさい。 (1Y My father usually(get) up at six o'clock these days. 12) Last night I (hear) avery strange sound near the station. 13) We (have) a test in English next Monday. 4T Dight (travel) faster than sound. Icち i 9g had. bae. Aavd.. D 現在完了形 の 現在完了形に 詞(句)とあわ 2〈継続)につ Will you shall I Shall Certainly. Thank you. ) do me a favor? ) make you some tea? 「~してか Ino ot ) go fishing tomorrow? That's a good idea. > It has E we Three 進行形 の 現在,過去,未来のそれぞれの時点での進行中の動作を表す進行形を確認しておこう。 また,進行形で用いられるのは基本的に動作動詞(意志動詞)で,状態動詞(無意志動 詞)は使えないことに注意しよう。 2往来·発着の動詞を中心に,進行形で確定的な未来を表すこともある。普通,未来を表 す副詞句を伴う。 B Check ! (1)Jack is still ir (2Y Just a few m t3 When (did 4) They (háve p. 79,84,88 P. 83, 85 (5} Iris still ra Check! ()内より適切な語句を選びなさい。 E 過去学 の 週 (1)Where is Nick? - He is in the kitchen. He (bakes (is baking) bread now. (2 My father usually (goes/ is going) to work by bicycle these days. 13/This apple/(tastes / is tasting) too sour, Will you give me another one? 4) Mr. White(has come /As coming) tomorrow. 15I (am watching/will be watching) the soccer game on TV if you come after seven tonight. Check ) (1Wher (21 (be (3Ed 16)/When I called Nancy, she (took/ wag taking》 a bath. p.91 の

この問題を教えて下さい！ できれば全部お願いします！

演習項目→BE 動詞と一般動詞の疑問文 9 0 演習項目→Be 動詞と一般動詞の否定文 Be 動詞の文では Be 動詞を文頭に移動します。一般動詞の文では Do か Does をメ Be 動詞の文では Be 動詞の直後に not を付け加え、般動詞の文では動詞の直前に don't か doesn't を付け加え、動詞は原形を用います。次の文を否定文に書き換えなさい。 付け加え、動詞は原形を用います。次の文を疑問文に書き換えなさい。 1. You area teacher. 1. That is an old piano. S 2. That boy is Tom's brother. 2. I am an English teacher. 3. These flowers are tulips and roses. 3. That is a good camera. 4. Her father is a doctor. 4. Her brother is a music teacher. 5. Mr. Smith is your 'teacher. 5. That cat is black and white. 6. Those dogs are very big. 6. Tom's father is a doctor. 7. I am Mr. Brown's' student. 7. Those flowers are very beautiful. 8. You are a Japanese girl. 8. Nancy's sister is a good pianist. 9. You havea nice bag. 9. I have English books in my bag. 10. Your mother likes red flowers. 10. My brother has an old bicycle. 11. Mr. Brown has a new car. 11. Those boys like this dog very much. 12. They have a white dog and a black dog. 12. Your mother has a new Japanese car. -ト-- 13. Jane and Lucy have beautiful flowers. 13. Tom's brother and sister have a nice dog. 14. Your sister wants the old guitar. 14. My brother wants a new bicycle. 15. Nancy plays the piano every day. 15. Those girls have beautiful flowers.

この問題を教えて下さい。 できればすべてお願いします！

演習項目→BE 動詞と一般動詞の疑問文 9 0 演習項目→Be 動詞と一般動詞の否定文 Be 動詞の文では Be 動詞を文頭に移動します。一般動詞の文では Do か Does をメ Be 動詞の文では Be 動詞の直後に not を付け加え、般動詞の文では動詞の直前に don't か doesn't を付け加え、動詞は原形を用います。次の文を否定文に書き換えなさい。 付け加え、動詞は原形を用います。次の文を疑問文に書き換えなさい。 1. You area teacher. 1. That is an old piano. S 2. That boy is Tom's brother. 2. I am an English teacher. 3. These flowers are tulips and roses. 3. That is a good camera. 4. Her father is a doctor. 4. Her brother is a music teacher. 5. Mr. Smith is your 'teacher. 5. That cat is black and white. 6. Those dogs are very big. 6. Tom's father is a doctor. 7. I am Mr. Brown's' student. 7. Those flowers are very beautiful. 8. You are a Japanese girl. 8. Nancy's sister is a good pianist. 9. You havea nice bag. 9. I have English books in my bag. 10. Your mother likes red flowers. 10. My brother has an old bicycle. 11. Mr. Brown has a new car. 11. Those boys like this dog very much. 12. They have a white dog and a black dog. 12. Your mother has a new Japanese car. -ト-- 13. Jane and Lucy have beautiful flowers. 13. Tom's brother and sister have a nice dog. 14. Your sister wants the old guitar. 14. My brother wants a new bicycle. 15. Nancy plays the piano every day. 15. Those girls have beautiful flowers.

解説お願いします。青の波線は気にしないでください！

(3a地2(3ambる) {3atcal}{aal} (3at M) (3a-M) (3a)2-M2 9a- M3 9a:-(6-3) 9a-(b-2xbx3+る)<6-6b+9 9a6+6b-9 こ ニ 2 ニ 2 ニ

私の解き方だとなぜだめですか？ おしえてほしいです🙇‍♀️

(3) ab(a+b)+bc(b+c)+ca(c+a)+3abc

下から三段目で この英文中での The suddedってどうゆう意味ですか？？

“ Challenge “次の中文にSVOCMを打どう するい -/vーニ /c=ml0.0_」0 V=ニ (To promote Japan's {back) to the bicycle” movement we have to solve several) problems 日本の自転転理新へ支援を促選設たれに oecme C £e系 C First, accidents between bicycles and people are becoming' more common. You often see someone cycling on the sidewalk. However, this is not usually álloy lowed in Japan) 歩道 Second, there are not enough)parking places (for bicycles) As a result, many cyclists park their bicycles anywhere they like, Their bicycles block the entrances to stations 低らの好きかどこ3からどこでも and stores, They cover|the studded blocks(for people who are blind, Ayロを寒く Last, it is dificult(to use your own bicycle on a trip. It is' not easy to take your 必 bicycle on a train or plane,