画像の問題の解き方を教えて欲しいです！ よろしくお願いしますm(_ _)m

立方体 ABCD-EFGH において,対角線 BH-100A D は正方形 BFGC の対角線 FCに垂直であるこ B IC 10 とを証明せよ。 p.103~107 H E F G

数学Ⅰの証明問題です。 自分の書いた証明であっているのか、見て欲しいです。よろしくお願いします。

3 [3 (1) △ABCにおいて,次の等式が成り立つことを示せ。 A+B C (1) sin(A+B)=sin C nie (2) cos -=sin 2 Ge HC SinB Sin (90°-A) sin (A+B)= Sin 90° Sinc=sing0° 792: Sin (A+B)= Sinc. (2) A A 180-0 COS A COS A&B sin = Şin 45° 2 = Cos 450 = 2 === 店 For 105 45° = Sin45° az" COS A+B = sin p

答えを無くしてしまい丸つけをお願いしたいです。 多分中学生レベルの英語だと思うのですが英語はあまり得意ではないので合ってるか分かりません…。お願いします。

and ise yi galijquls og rhillOS DATOS A Grammar 1回目 2回目 参考書: pp.287~324/テキスト: pp.58~63 A Grammar BWriting /15 /15 NAVEGHENDA 1 Choose the correct word or phrase in the brackets. (1) 私にはいとこは1人もいません。 [一般動詞 (1語) の否定文] /25 /25 ■解答・解説書: pp.20~21 CReading 32の各文の下線部を尋ねる文を書きなさい。 (1) Where does Yuri work? (2) What did Roi make? (3) When is her birthday? (4) Who did write this poem? (5) How many beetles did Yuta catch? /8 /8 Total 148 /48 263 bribute irl dek«) (0) I [ haven't/ don't have any cousins. (2) 予定は変更されないだろう。 [それ以外の否定文] (1) The schedule [ will be not/ will not be ] changed. (3) その部屋にはエアコンはありましたか。 [一般動詞(1語)の疑問文] [Had the room / Did the room have ] an air-conditioner? (4) あの魚は英語で何と呼ばれていますか。 [それ以外の疑問文 ] What is that fish called / is called that fish ] in English?di bad og 576 (5) これが何だか知っていますか。 [間接疑問] dunibor Brw of this ootisli snob bila Ind Do you know what [ this is/is this ]? noo gniwollo) ert bes à bns notice of veinque i ind W politiq a to attrrent oli jon otamso tanī sablick: Ting nguo & bas 1979) s hari semas all bad oolele lid ② 各文の下線部を尋ねる疑問詞 (1語または2語) を答えなさい。 (1) Yuri works at a hospital. (ユリは病院で働いている)[場所] (where (2) Roy made a doghouse. (ロイは犬小屋を作った)[物]ei woled songinsa do (what (3) Her birthday is June 20. (彼女の誕生日は6月20日だ [時] (4) Sayaka wrote this poem. サヤカがこの詩を書いた) [人] A diw to (when (who (5) Yuta caught five beetles. (ユウタは5匹のカブトムシをつかまえた) [数] B 1 C (how many)

ポリ乳酸6gの物質量は6/72nかと思ったんですけど、6gっていうのは、［］の中身の質量なのですか？ 乳酸がn個つながったのが6gではないのですか？💦

442 ポリ乳酸 KOTR 3RLA 図に示すポリ乳酸は, 生分解性高分子の一種であり、自然界では微生 十 物によって最終的に水と二酸化炭素に分解される。 ポリ乳酸 6.0g が完 全に分解されたとき, 発生する二酸化炭素の0℃,1.013 ×105Paにお ける体積として正しいものを次の(a)~(e)から1つ選べ。 ただし, ポリ乳酸は図に示す 繰り返し単位 (式量72) のみからなるものとする。 (a) 1.9L (b) 3.7L (c) 5.6L センター試験 O-CH-C fo-CH-of CH3O In (d) 7.5L 28 (e) 9.3L 生活と有機化合物 319

二次関数の問題です。 ⑶が分かりません。

(1-1/4)=0 2 右の図のように放物線y="上に座標が2である点Aをとり、放 13 物線と直線y=2x+3との交点をB, C. とする。 ただし、点Bの座 標は正とする。 このとき、次の問いに答えなさい。 ルートを代入すると、 口 (1) 点BCの座標を求めなさい。 y=x=2を代入すると、 434点A(14) 4-# $A (1 41 2²-2x-1=0 y=1_y=1 (2-1)(x-1)=6 17 B[ 2=-1.2-3 = B(-1, 1), 5C(3,9) (3,9) Verino (2) OABの面積を求めなさい。 10A/CB (点A(2,4)直線BCとX軸との交点をDとする。 y=214)より50(0.3) 0 Aa=#=240AB=AOAD ) CC (-1,1) X2X+ (3) 四角形OABCの面積を求めなさい。 ( [3] 9 (4₂1) C y=x¹ Jaxso A(2,4)

⑵でどうして４なのか教えて欲しいです。あと他の選択肢がダメな理由も教えてください🙏

nd OR) [A] Sports have been around for a long time. For example, an ancient wall painting shows that people enjoyed wrestling in ancient Egypt. In addition, the Olympics began in the 8th century B.C.E. in ancient Greece and many people still enjoy them today. ( A ) people have enjoyed sports for a very long time, professional sports are relatively new. This means that sports are still evolving and will continue to excite people, (B) produce many superstars. V₁ 0 V+ X Choose the appropriate word for (A) and write 1-4 on your answer sheet. 1. Since 2. Although 3. Once 4. Unless 2) Choose the appropriate words for ( B ) and write 1-4 on your answer sheet. 1. as good as 2. as long as 3. as soon as (4. as well as SENS rinolohi mela bri 3) Which of the following statements is true of the paragraph? TUI 1. Old paintings show that people enjoyed sports in ancient times. 2. The first Olympic Games were held in Italy in the 8th century B.C.E. imm 3. Professional sports have been around since the beginning of sports. ebbe liars sidi DES

こちらのプリントの回答教えてください。 よろしくお願いします。

4 eehaupbsorl elstog 空欄にあてはまるものを (A)~(D) の中から選んで記号を書きましょう。 rinom soon tundA (8) 1. My first of Toronto was very positive. (A) impressed (B) impressing (C)impressive (D) impression swdua vd oo visuay 1 (5) 3. 2. The special equipment was (A) originally (B) origin (C) original (D) originality 4. The manufacturer (A) produces vaboj alriemriserter prind soinom bib vilW..t A teacher's class. Sum ob incinu vertone (A) friendship (B) friendlily (C) friendly (D) friendliness Autoledad blow approach makes new students feel comfortable in their new es new students fee (B) has produced shwob trand enirkham y 5. It is necessary that the applicant 8. Would you mind (A) open made for those who have mobility problems. mismo2( bloo out a'fariT (8) Of(0) tripim men (8) TV sets in developing countries ten years ago. (D) has been produced (C) produced (A) fill (B) filled (C) fills (D) would fill 6. Tomoko invited me to see the musical with (A) she (C) (B) heraners 10. Is there anyone (A)whom blueWF Tesy jasi cio 7. The CEO by the charity foundation to speak at their annual conference, but he had to decline the request because of a scheduling conflict. (A) asked (D) had been asking (B) was asked (C) has asked 9. The meeting will be held (A) in dar out the form before the job interview. toy bollit need cen (A) admun orong olidam ym e'evgH (8) Jeneves need even ment (2) eldabil opening prupiolansi (B) whose blow reiwi at sol no (D) herself them. the window for me? vietne.m (C) to open (D) to be opening Houp (0) (B) on (C) for (D) at nismen (0) Meason (2) gribnstalue (8) 10:30 in the conference room. is against this alternative proposal? (D) which m) boysin .GP .er Deda briced OS eldialval (A) 11. Tim is as as Linda. (A) more intelligent (B) intelligent (C) less intelligent (D) better intelligent for storage. (A) designated (B) detained (C) reciprocated (D) signified 12. According to the proposal, a large block of rooms in the east wing of the new building will be

こちらのプリントの回答教えてください。 よろしくお願いします。

4 eehaupbsorl elstog 空欄にあてはまるものを (A)~(D) の中から選んで記号を書きましょう。 rinom soon tundA (8) 1. My first of Toronto was very positive. (A) impressed (B) impressing (C)impressive (D) impression swdua vd oo visuay 1 (5) 3. 2. The special equipment was (A) originally (B) origin (C) original (D) originality 4. The manufacturer (A) produces vaboj alriemriserter prind soinom bib vilW..t A teacher's class. Sum ob incinu vertone (A) friendship (B) friendlily (C) friendly (D) friendliness Autoledad blow approach makes new students feel comfortable in their new es new students fee (B) has produced shwob trand enirkham y 5. It is necessary that the applicant 8. Would you mind (A) open made for those who have mobility problems. mismo2( bloo out a'fariT (8) Of(0) tripim men (8) TV sets in developing countries ten years ago. (D) has been produced (C) produced (A) fill (B) filled (C) fills (D) would fill 6. Tomoko invited me to see the musical with (A) she (C) (B) heraners 10. Is there anyone (A)whom blueWF Tesy jasi cio 7. The CEO by the charity foundation to speak at their annual conference, but he had to decline the request because of a scheduling conflict. (A) asked (D) had been asking (B) was asked (C) has asked 9. The meeting will be held (A) in dar out the form before the job interview. toy bollit need cen (A) admun orong olidam ym e'evgH (8) Jeneves need even ment (2) eldabil opening prupiolansi (B) whose blow reiwi at sol no (D) herself them. the window for me? vietne.m (C) to open (D) to be opening Houp (0) (B) on (C) for (D) at nismen (0) Meason (2) gribnstalue (8) 10:30 in the conference room. is against this alternative proposal? (D) which m) boysin .GP .er Deda briced OS eldialval (A) 11. Tim is as as Linda. (A) more intelligent (B) intelligent (C) less intelligent (D) better intelligent for storage. (A) designated (B) detained (C) reciprocated (D) signified 12. According to the proposal, a large block of rooms in the east wing of the new building will be

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1 Is polite to elderly people." Vash Pre) 2 Been 3 Be 2 I left my basketball shoes somewhere, so I yesterday. couldn't 2 cannot 3 may not [21] nsw 1.21 on the island. The people there only speak Spanish. isn't spoken 3 is spoken 66 English 3 doesn't speak Ignal ni aprilris & gministqx30 boog asw In610 Tortoid Mar Helen and I exchanged e-mail addresses 4 each other. O contact 2 contacted 3 to contact "I don't like winter in Hokkaido because 2 so 651 190002 Tom helped the elderly lady 5 carried to carrying VIEndil edt 16 gewan blo szedT 81 This is the 6 book of the eight books on this bookshelf. 910 more interesting most interesting 3 as interesting moil 15119 or Legged asw spizzal er If I 7 in Europe, I could go to some famous museums.atog 0 will live 2 lived 3 live her bag. 3 carry 2 play in the game vibroint 260 8 is eight thirty now. I have to leave home. That There 3 It lutholos 2 [TS] 'Stop! You 11 have to Just bas sist 9 3 although 91A 0 [OST] yod sdT OS BR boonsb it's too cold." not gnilool m'I IS I bet new W SSE 10 enter the room now. The teachers are having a meeting there." 3 Aren't 1 Can't 2 Don't cross the street when a car is coming." 3 should 2 must not

教えてください！

問1 問8 1polite to elderly people."xornai reilna ni egnidi er a Is 2 Been 3 Beq aninislqx30 2 I left my basketball shoes somewhere, so I yesterday. couldn't talibnsto Curty toilbroint cannot 3 may not Cronul 91[at] new 12 3 English | 3 on the island. The people there only speak Spanish. doesn't speak isn't spoken Sa® is spoken 10631 ar sm blot 15rbod y di 4 Helen and I exchanged e-mail addresses 4] each other.srli () contact 2 contacted 3 to contact 130002 5 Tom helped the elderly lady 5 carried 島 10 to carrying VIsidil edt ts 8t ns sqawon blo sesdT 81 6 This is the 6 book of the eight books on this bookshelf.910 more interesting 2 most interesting 3 as interesting mont 19119(oriter yaqsıl asw sɔizaster 7 If I 7 in Europe, I could go to some famous museums.g will live No Fea 2 lived tosh 3 live angry?" noklyd al pleum art 01 [OS] yod art OS beonsb or no lust brus 9x6( [[X]" X H her bag.al STA Ⓡ 3 carry 8 is eight thirty now. I have to leave home. That 3 It 2 play in the game vibas 260 9 "I don't like winter in Hokkaido 9 because 2 so much There assiq lutidioso 26 [TS] notib s tot grilool m'I IS asd B it's too cold." terli 0 11 "Stop! You 11 have to 3 although loot w 02, 10 enter the room now. The teachers are having a meeting there." Can't Don't you 3 Aren't cross the street when a car is coming." 2 must not 3 should