求請那位大神舉個手救我這個廢物，xyz 算出來了，然後其他的未知數我就搞不出來了，用了兩個小時還在原地踏步浪費空氣

21 g KNO3 y (1) KNO3 solubility at 10 °C x < 100 water 37 g Naci (2) NaCl maximum solubility X IN 100 water = (3) Ew; = 100% (4) Ew; = 100% (5) Overall (6) Water (7) KNO3 100% = x + y + Z 100% = a + b 0 = 797.3 - (P+R) 0 = 397.3 - [ AP+R ] 0 = 253 - [ bP + aPy] - YR -

求解🙏🏻🙏🏻

7.已知兩變數 X、Y的數據如下 2 4 X 5 2 Y 5 n m 1 若 ¥ 對 X 之迴歸直線為y=3+25 9 試求數對(m, n)。(16分) 解 (黃始巷督Z管業的學同。 (68) SMAX 如果 LEB 1 10022=(41) + [配合習題9] 2

A 1.75-kN·m torque is applied to the solid cylinder shown. Determine (a) the maximum shearing stress, (b) the percent of the torque carri... 繼續閱讀

50 mm 25 mm 1.75 kN.m

除了打勾的那幾題不用問，其他的題目都不會，今天幫我解答

lol V-ling(現在分詞)+情狀副詞 = be V+情狀副詞+ V-ing (現在分詞) 動詞+受詞+情狀副詞 = 情狀副詞+動詞+受詞 動詞+介系詞+受詞+情狀副詞 = 情狀副詞+動詞+介系詞+受詞 動詞+情狀副詞+介系詞+受詞 例2 The little girl runs slowly Bill is dancing happily. = Bill is happily dancing. » Jack ca He walked into the room quietly. = He quietly walked into the room. sister looks at me. ( 0 My sister - He chatted with me happily. = He happily chatted with me. = He chatted happily with me. 2. Mir sister looks 練習 圈出正確的答案(可複選) 1. 2. | and 傷心地看著遠方。 Allen 3. He is aprofessional Swimmer, so he can (Swim fast); fast Swim), (is shouting loudly; is loudly shoutingl; loudly is shouting). The baby girl (cried sadly; sadly cried) for her kitten's death, Most sudents in the library read quietly : quietly read) for the entrance exam. The disabled (walked slowly); slowly walked) on the street. He to the teacher 4. and looked sadly 每天在課堂上都仔細聽老師上 I listen 5. 6. 7. 他纸下午一點半的時候狼吞虎 He was eating 「她很冷淡地看著我。 ; 8. cut the paper carefully cut carefully the paper : carefully cut the paper Mom (looked at me coldly; coldly looked at mes boked coldly at me May (walked the dog slowly : walked slowly the dog : slowly walked the dog Ella does her homework quietly : does quietly her homework : quietly does her homework). 10. They happily listened to the song : listened to the song happily: listened to happily the song : listened happily to the song). 9. h WARAT q She looked atr 我們可以輕易地完成這個作 We can finish : 我爺爺每天早起且開心地 練習 依提示作答 My grandfathe 1. Ted /watch TV/ py / last night 學生 力讀英文

🙏我求到一半就卡住了🥲🥲🥲

-z= 1 3X = 9 = 2 = 0 一 Z 答: 27 已知實數x、y、z滿足(x-2)+(y+1)+z=49,求2x-3y+62的最大值,並求此時x、y、 z的值。 (1) <lyn*") () Tanayewe ya 2 X=-4, y = 6, 27 6 9 3 MAX= 56 - . (一 (C) +36) 7 早上: 19 + 49(x+4x+4 + y put) b "

求解

已知一元二次方程式-2.2 + max + me=0 的其中一根為1,則方程式的另外一根為何?試求出所有 能的答案,並完整說明理由。 ||

請問如和從上式變到下式🙏🙏

lo F - ate .2 MAX 1 - x + 2x2 – x3 EXAMPLE 8 Evaluate dx. x(x2 + 1)2 50191911 SOLUTION The form of the partial fraction decomposition is 1 - x + 2x2 – x3 x(x2 + 1)2 + A Bx + c + X x² + 1 w Dx + E (x2 + 1)2

求解 1.B 11.5 1D,E 2

100 10 dlE, AT D C A 1. 正立方體 ABCD-EFGH的稜長為10,0表其中心點,則 (A) 對角線 AG=10.3 7200 90- 02200 (0) (B)直線 AH 與 BE 的距離為 AR 13 301) - Ele+ . = (D) ZCOF = 90° (E) AACF 面積 = 5002 ELOCE B - (C)向量內積BD GH 100 mode/l.com •O H G 01013) E F

Vmax 那個是公市嗎 我有點忘記了

m kg/m or hom No s 141 Q & A 31 12 k = 100 N/m 2 3 e te he e m= 100 kg 43 14 1 + 3 her 手面上作R / F 15 I IE the t R = 10 cm Z s. H.M, AJ & it to rettan 2 2 2 7 16 5 2 z 11 7 ton time in 4 to 7 z 12 h 17 7 N.S? w/10 FOOOooooool P000000 * Font ki 支招 R R 结 1.5 B, olo k D. J.O (El lo Vmax? v=o m 了 字 说 平 We J? Vmax ZAR Vmay (T-16 ) > 7 = 了 J = mat J = m ( I max-o)

第6題

對於目線L上任一點(x,),點(4x+2y,x+3y)恆在直線L上, 求直線L之方程式。 6. 在坐標平面上做一直角三角形,其兩股分別平行x、y軸,且兩股的中線分 別在 y= 3x+1 和 y = max +2 上,求m。 7 士D了, 十一回 112