💦想知道過程和想法 謝謝

数学A考科第3回 13. 如圖,△ABC中,D為BC邊上,且異於B、C兩點的一個動點。 而左右兩圓分別是△ABD與△ACD的外接圓,試選出正確的選項。 (1)△ABD與△ACD的外接圓半徑比為sin∠ACD : sin∠ABD (2) BD : DC = sin∠BAD : sin∠CAD (3) AB sin∠ABD = AD sin ∠ADB = AC sin∠ACD (4)sin∠ADB> sin ∠ACD 1 (5)△ABC的面積為-BC× AD×sin∠ADB。 2 B A WAARTE STELLAROD C

6求解

A now, so don (A) busy (B) quick 6. Everyone has different Asound terrible to another. A) senses (B) tastes in music. What one person finds good migh- (D) positions (C) manners 7. Norman: Your mother math at a junior high school, right? Pauline: No, she changed jobs a few years ago and is now working at a p (D) teaches

請問33題要選什麼

Is (D) lions (D) from D) blankets 2. Hello. This is Mr. Fisher. He is thirty-five years old, and he is a math teacher at St. Paul School. The school is big and old. There are two floors. On the first floor, there are twelve classrooms, one art room, one music room, and ten classrooms. On the second floor, there is a teacher's office. Next to the office, we are building the new library right now. There is a lot of noise. floor first - art music second office () 32. Who is Mr. Fisher? (A) A fisherman. (B) A teacher in the school. (C) A student. (D) A cook. () 33. Where is the library? build noise (A) On the second floor. (B) Behind the classrooms. (C) Next to the art room. (D) Between the teacher's office and the music room.

有人幫幫忙嗎 下週期中考

命,即合由西回不 練習2 已知一化合物僅含有碳、氫兩種元素,取其質量 4.2 g,燃燒後生成 5.4 g 的水與 13.2 g 的二氧 化碳。則: (1) 此化合物之實驗式為何? (A) CH (B) CH, (C) CH, (D) CH (E) CH。 0.11.2 (2)下列哪些選項可能為該物質之分子式,並於自然界中可以穩定存在?(應選2項) 。 (A) CH₂ (B) C₂H₂ (C) C₂H, (D) C₂H, (E) C₂H, °

求解

茶價格的頂 買風氣(對 A24.右圖是好好吃甜甜圈 專賣店的廣告傳單,店 家希望藉著優惠活動 能吸引更多民眾前來 消費。這項活動所應用 的經濟原理,與下述哪 一情境相同?(A)韓劇 風潮帶動南韓旅遊、食品、服飾產業的發展(B)清領初 期的臺灣以農業產品和中國交換日常用品(C)為減少健 保虧損,政府對高所得者調漲健保費率(D)為抑制吸菸 人口,政府立法提高菸品健康福利捐。 3 nk til math ath & A I 好好吃甜甜圈專賣店 獨家配方,保證好吃~ 每個一律 20 元 任選三個 50 元 當天現做,要買要快!

有看過講義的一些觀念了 但因為高一高二幾乎是荒廢的狀態 所以做題目時還是會卡住 但問了證明我真的有努力過附上自己讀書計時ㄉ畫面（昨天）會問就是上面自己有試一些想法但好像因為函數觀念很薄弱所以整個不知道自己公式在用什麼鬼 求解 （圈起來的題目不會做

1. 坐標系與函數 類題練習 類題 |將二次函數y = −2x²的圖形,先向右平移3單位,再向下平移2單位,則所備襯 圖形的二次函數為? (A)y = −2x² + 12x - 20 (C)y = −2x² + 12x – 16 A D (-2X+10)(X-1) =-2X+12x-20 類題2 求二次函數y = 2x² + 6x + 6 的最小值為? 3 (A)-- (B)- B Do CA 類題3 二次函數y = x² + ac + b 在x=- 9 b(B)0 (A)-1 b 29 11/123 a =| yx + bx + 6 = 0 道-xx2+bx - b = 0 (B)y = −2x² – 12x – 20 (D)y = −2x² — 12x – 16 3 (C)= 4 X(X+3) - : 0 x=-支代入 y = + = =+b= -1 = - = + b = -1 = } / (X+3)-3= X+3=1 X = 11/1/1 (D) 3-2 時,y 有最小值 −1,則 3a + 4b = ? 2 (C)1 (D)2 3a + 4b = 3-3 Y~ $700 1 類題 4 已知函數y=a(x+1)2-2的圖形不會經過第四象限,則 a 之值可能為下列哪一 數? 陳

第四題求解

interesting @ 2 We love Ms. Miller's class because it is really i _engineer My aunt designs computer games. She is a game e 3 ting. 4 Ryan was a teacher before; he t t math at a high school. ten. 5 Kate has too much homework. She can't f sh it before eer. 6 Emily: How was today's h Dylan: Great. Wel ry class? ned about Chinese emperors. emperor

不懂

·你省自元 六、看圖詳答問題 1. 2. 1. What happened to Tom's arm? Bá 2. Did the girl go to the doctor yesterday? 3. What did Mrs. Lin buy yesterday? 4. Did Jason study for the math test last night? 3. 4. Jessie: I anythi (A) bought ) 4. Grandma had pizza ( (A) didn't (C) wasn't ) 5. Be careful not to (A) choose (C) sell () 6. Mr. Wang rod with his car. (A) but (C) for () 7. Tina did this me (A) so ( ) 8. Fred Er ( ) 9

這一題到底怎麼算的🥺🙏🏻

| ATHEMATICS Professional Teachina published by ang Hang Mathematics Educational Association 王泓好題演練 範例1 設17070,試化簡 【sol】 √₁² + 1-2 a.

請問這一句怎麼合併？ 第二題怎麼排序

5. John and Becky are in the club. / John said the club helps people.