急求解 不懂他的公式

4. 一等比級數未項為320,公比為4,和為425,則此級數的首項為 ran-ai An = 310 += 4 Sn = Sn = 425 5 【課本例題8】

求解，我有點看不懂a10=那一行

8. 已知 k=1 a=3n²-6n,則第10項為 (A) 51 (B) 57 (C) 189 (D) 240 • ak-3₁²-6h O of 6-08 Pr 210 = _ak-jak ²0 910= k=1. and = (3x/0²-6×10)-(3x9²- 6x9) 240-243+54=51#

22求解

(A)x+y-2=0 (B) x-y+2=0 (C)x+y+2=0 (D) x-) 22. ()已知圓心為(-2,-3)的圓和直線 5x-12y+ 52 = 0 相切,則此圓的面積為 (A)6m (B)12 (C)24m (D)36元 )平行四邊形ABCD中,下列敘述何者不正確?(A) D-B (B)AB+D=D(C) AB+ AD=AC (D) AB-CB=CÀ )於5與25之間插入四個數,使成等差數列,則此數列的第3項為 (A)12 (B)13 (C)14 (D)15 相關:面上右克總l x+x+6=0zHaixty+d=0,下列何者正確? 24. (

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.

想問這幾題閱讀填空怎麼寫

1-1(Unit 10) Choose the best words to complete the sentences. out designers care Weird recycling fashion admit remind simply report runways style dress snap attention up 1."People differently in New York and Paris," says Scott Schuman, who writes a blog " about People in cities around the world pay to their clothes, and they work hard to look beautiful. They use their culture and the materials around them to create their own look. Schuman started his blog to share photos of people that I saw on the streets of New York.” He thought the people looked fashionable, and he put photos online. Schuman isn't alone. Bloggers all around the world are using their cameras to what is happening in their home cities. Since bloggers find and write about stylish people on the street, this type of fashion is called street _.Fashion changes often. With the Internet, street style changes even more quickly. Bloggers only need minutes to a picture and post it online. Their readers can use those ideas to create their own styles. Fashion used to come from the of Paris and Milan. Now fashion is homegrown. - -) 2. What happens when fashionable people start _? A recycled-clothing fashion show, of course! The people of Austin, Texas, aren't afraid to they live in an interesting city. The city slogan is Keep Austin and the city has many hip’ cafes and stores. There are also a lot of people in Austin who work hard to take of the environment. Recycling and being eco- friendly is so important in Austin that the city is sometimes called America's greenest city. Every year, the Austin Museum of Art has the Keep Austin Beautiful Recycled Fashion Show. They have the show to people to recycle. More than 20 designers come with clothes from recycled materials for the show. In recent shows, have used plastic bags, old furniture, bike tires, and second-hand clothes. Recently, designer Tina Sparkles created a dress made of colorful computer wires for the show.

請問110統測成績出來了嗎?

為什麼條件選黑桃跟紅心時，不是C4取1，而是C1取1

b. CS2 27 81 9 O (D)若a>b,則al >b。 (2) ) 17. 在|x|+ly <1的條件下,求函數f(x,y)=2x-3y的最大值為何? - >-1280) - (A) –3 (B)-2 (C)2 (D)3 • -3,3,2-2 (A) 18.5-5,a,b,d,d,e,19 #WHa<b<c<d<e : Fla+b+c+d+e= (A)35 (B) 42 (C)72 (D)79 .-5+19-14 14+14+4=35 (D) 19. 自一副有52張牌之撲克牌(有黑桃、紅心、方塊、梅花四種花色,每種花色 各有點數2至10點及J、Q、K、A共13張牌)中同時抽取2張。若每張牌被 抽取的機會均相等,則抽到一張黑桃及一張紅心,且二張牌均為黑點數2至10點 的機率為何?= = Cixcit Cixci 2 (loge 3 - lag 3 laget - lege ,7) 442 ( (B) ( (C) B =(3109?-llog?)4log2+ fog 3) 20. *(log, 27 – log, 9)(log, 16 – log, 2) = (A)8 (B)10 (0)12 D)15, 2log ² x 5 log 2 = 10 fore=10 (h) 21. 從5位醫生、3位護士中,任選5人組成一個醫療團隊、发團隊中至少有2位 護士,則共有幾種組合的方式? C3, C3 + c3xC3=10x3+10x1 = 40 (A)40 (B)55 (C) 80 (D)100 ( ) 22. 已知f(x)=103x' + an' + ber 除以x=-1的餘式為3x+4。若(x)除以c(x-1) - ÉTAIT A cx? + dx +e , dilc= no-loa (B)4 (C)103 (D)104 . 70-100=148-28a 81 (A) 2704 (D) 442 169 13 5. 1/2 14-14arara A

請各位幫幫忙我都看不懂😭 連算是都不會列

10. 本 和1 太 14. 避 16. -企 直線方程式/: 2 084AA一人: 全 砍在 . 1 直線方程式 :6y一2021= 0人 1 直線方程式殿:x一2y+3== 964一二 一 直線方程式了 :3x+2y+4=0的斜率為一 全~ 全 設 4(5,6) 、25(-1,4)為坐標平面上兩點,試求過4、甩兩點之直線工的斜率fi 一直線通過 4(2,2)與(1-z,3)雨點,且斜率為2,試求d之值為一5 設4t6@,5)、(-2,-4)為坐標平面上兩點,試求過4、甩兩點之直線了的直線方程 式_7X-Ky-搬:0 。 已知直線工的斜率為-9,且通過點 4(6,5) ,則的方程式為 /%X+y 6下0。 己知直線工的x截距為5 ,y截距為6,則的方程式為 6%的/-)O-0。 己知直線工的x截距為 10 ,y,截距為~-5,則的方程式為負~)y-J0=0 。 已知直線了的x截距為-9,y截距為6,則的方程式為 XX ~-3y+:0 。 己知直線了的x截距為-7,y截距為-3,則工的方程式為 ?X-r|7 -1:0 。 已和直線 的斜率為-9 ,y裁距為~6,則的方程式為4 1y42=0 已知直綠了的斜率為5 ,y截距為6,則了的方程式為 5 ~y-(,- 已知直線了的斜率為0,y截距為-6,則的方程式為_)=- 。 已知直線了的斜率不存在,x截距為5,則了的方程式為 為= 。 試求過點(L3且與2x-3y+4=0午直的直線方程式為 ?X和7一太0. 【有2 試引 18. 1 20. 下 全 一 24. 試 2 26. 27. 28. 29. 30. 3 y 試求過點(1,3)且與3y+4=0平行的直線方程式為 } =訪 3 之 mig-全=室 試求過點(1,3)且與2x-3y+4=0天秤的直斷方程式為 2% ~3y刊=0 , 祝NAT 試求過點 (1,3)且與3y+4=0垂直的直線方程式為 久=| 903) 3-07 =》 試求過點(1,3)且與3x+4=0垂直的直線方程式為 7 =訪 人 ai 試求過點(1,3)且與3x+4=0平行的直線方程式為 凶=| 試求不等式z2-6r+5=0之解為儿=5,| , 並在數線上圖示其解。 求不等式選-6x+5>0之解放 ,並在數線上圖示其解。 試求不等式y? 一6x+5<0之解為 ,'並在數線 示 試求不等式選-6x+5>0之解為 ,並在數線上圖示其解。 試求不等式Y-6x+5<0之解為 '並在數線上圖示其解。 ' 並在數線上圖示其解。 試求不等式世-3x+7<0之解為 試求不等式記一3r+7>0之解為 __________,並在數線上圖示其解。 試求不等式z 一10x+25>0之解為 ,並在數線上圖示其解 一元二炊不等式2 5x-3<0的整數解有個。 一元二炊不等式~3x? +8x-3>0的整數解有個。 o 六 0OX-3y=-( XX訪三司 e

有沒有那位好心人士看看1-5題是否正確 尤其是2、3、5題

very different 1 ng flavors.The 才 in my food haveto be in our weaker sense ml form b ecCause th 5 might float everywhere in the air Besides, the radually 3 .Th el . Therefore, 1have to do regutuar p keep my body in shape. At th e end of the day, 1ihave to spend eact ln asleepi Ping bag. Still lneed to have my bag fixed to the watl ot te ~ /Id be i 5 moving slowly around in the cabin and perhaps htting tnn9s- to see that ng tn space is arather unicdue experience- 1. (A) Due to (8) Besides (CO Without”(D) Through 2. (A) but (B) instead (O instead ot (D) out of 3.(A) fade (B) disappear (0 remove (D) shrunk 4. (A) lay (B) lying (O le (D) to le 5. (A) Otherwlse (8B) Therefore (CO However (D) Finauy

請問第八題～

WOWould, have been hW( )8Ionly my father would come (Chas come 《 )》9%A:I looks as ii (A)was Training (DUWwill have beehn to my wedding- (B)will come (Dicomes .B: Yes, look at the thick cloudst (Bis going to rain