請問這題的算式是怎麼來的🥹🙏

型 例題18 【常考題】 素 有一袋中有5枚硬幣,其中一枚兩面皆是人頭,一枚兩面皆是字,其餘3枚一面是人頭 面是字,將手伸入袋中握住一枚硬幣,取出後打開手掌,發現一面是人頭,求另一面也只 人頭的機率。 解: 其中一面有人頭: (2 × 1 另一面也:本 5-5 4 76 # 訓 1+立 十 2 5 # ③ ③×1 PLA): 4 5 PLANB): L

請問一下翻譯說apple cider是蘋果酒 那為什麼要寫apple cider而不是cider? cider不是就可以表示蘋果酒了嗎？

m Tu d that planting apple trees was a good way to ples grown in America weren't used to make imarily used to produce apple cider. Er was at we know today. They were hard and often asn't until sugar became popular and widely eet treats. ted) lingia recipes for hundreds of years. One of the

感覺英文文法都還給老師了 哭 1.since為什麼放句尾？ 2.have been ving/have been ved要怎麼分辨 感恩

A European Euro EVL LUN Jack went to Europe in 2007, and I've never seen him again since (A) since (B) before (C) already (D) even = Won five games

請問第13題答案是甚麼？

(B) and hoping (C) hope 13. The teacher made a schedule for the whole class to get A (A) hoped S B (A) preparing (B) prepared 14. Mandy wanted to go to the party, (D) hoping for the school fair. (D) prepare (C) to be prepared her parents insisted she stay home and study. 艹

想問2、3兩題

1. D. 2. Be B (A) From seeing her mother leave, the child burst out crying. EWIGT (B) By (C) At (D) Upon from certain spots on Lanyang Plain, Turtle Island really looks like a giant turtle swimming in the sea. (A) See (B) Seen 3. Adam rushed to the airport but found that the plane (A) is taking (B) had taken (C) Seeing (D) To see off already. (D) will take abroad. (C) has taken 4. Jennifer decided the only way to learn English well was (B) of studying gos (C) studied (A) to study 5. Dena didn't understand (D) for studying 10 again. em mua the professor said, so she asked him 教授說什麼

請問to produce steam是不定詞補語嗎 如果是的話 是主詞補語還是受詞補語 應該要怎麼看 謝謝🥹

05 渦輪机 Steam turbines have produced most of the world's electricity since the nineteenth century. These machines heat water [to serw banimal produce steam, which turns the turbine's 發(電) blades2 and generates electricity. 小,卻有 ready f plant Institu the te 30 to be

請問黃道面是一個無限延伸的平面還是有大小的假象面

請問這兩題為何分別是that和where 謝謝~

If the pla (A) failed (B) fails (C) will fail (D) has falled (B) 4. One of the tribal customs is to welcome a visitor by giving him or her a acidst of flowers. necklace out goy (A) makes ab (B) made ng Jns (C) making NOV (D) to be made BA 5. Because of the rising sea levels, more and more people are living in areas run the risk of being flooded. (A) where ninom (B) that tumim (C) whom yod (D) what 2 oft ni svil of salil olgosq ynam yaboT 2 III. 綜合測驗:15% The dabbawalas of Mumbai, India, have fascinated many people. They are part of a igation that brings around 200,000 1. lunches daily to

想問這兩題~謝謝🙇‍♀️

(A) we will have (B) we have (C) 2. Mary is always late for a date, (B) that makes her boyfriend very angry. (C) which (D) what the soldiers would be captured by the enemy. (A) it AB) If the plan (A) failed (B) fails b certi (C) will fail 適用: (D) has failed (B) 4. One of the tribal customs is to welcome a visitor by giving him or her a BA necklace prov (A) makes out of flowers. vilsua (B) made 169 (C) making is uoy (D) to be made the largest ) 5. Because of the rising sea levels, more and more people are living in areas run the risk of being flooded. (A) where 11. 綜合測驗:15% that (B) th Bare (C) whom yod (D) what zud yd adini ayil of sail olqooq yasm ysbo

想請問這題畫藍色斜線的地方不就是0.4嗎為什麼會是0.12

設事件A與B為樣本空間S之兩事件,已知事件4發生的機率為0.7,在事件4沒有 發生的情況下,事件B發生的機率為0.4,則事件4或事件B發生的機率為0.82 1(A)=07 P(ANB) P(A)= 0.7. P(B)A') = 0 4 = P(AMB) P(A') 0.3. PLANB) = 0.3×014=0.12 PAUB)=0+7+α12=0.83