andrew

[匿名]

回覆: 3

2016-02-19 8:46 pm

A person weighing 0.8 kN rides in an elevator?

[匿名]

回覆: 4

2016-02-19 8:39 pm

The doorway of the family room measures 6 feet by 3 feet. What is the length of the diagonal of the doorway?

[匿名]

回覆: 2

2016-02-19 8:16 pm

Find dy/dx by implicit differentiation. 4x3 + x2y − xy3 = 5 please help!!!!!!!!!!?

[匿名]

回覆: 1

2016-02-19 8:10 pm

In the Real world,the behavior of gases only conforms to the ideal-gas equation at relatively low Pressure & high Temperature,Why is it so?

[匿名]

回覆: 2

2016-02-19 7:27 pm

find derivative of y = (x^3y - y^2)^3 = 5y^4 + 22?

[匿名]

回覆: 1

2016-02-19 5:25 pm

Chemistry Le Chateliers Principle Question - Help Please!?

[匿名]

回覆: 1

2016-02-19 6:09 pm

Consider the reactionA+2B⇌C whose rate at 25 ∘C was measured using three different sets of initial concentrations?

[匿名]

回覆: 3

2016-02-14 1:56 pm

可以告訴我他們的化學式嗎? 1.氫氧化鐵 2.氫氧化鋁 3.甲醇 4.鉻酸鉛 5.氯酸 6.錳酸 7.硫酸銀 8.氫氧化亞鐵 9.醋酸鋇 10.硼酸 11.過氯酸 12.過錳酸 13.溴酸鈉 14.氫氧化銅 15.硫代硫酸銀 16.草酸 17.次氯酸?

[匿名]

回覆: 3

2016-02-12 2:18 pm

多項式f(x),g(x)以x^+2x-1除之其餘式分別為x+1及x-1,則(1)xf(x)+(x^-1)g(x)除以x^+2x-1之餘式為?(2)f(x)*g(x)除以x^+2x-1之餘式為?

[匿名]

回覆: 2

2016-02-10 5:06 am

為什麼在門窗緊閉的前提下，房內的聲音不容易傳至門外，但門外的任何聲音卻可輕易傳至門內被聽得很清楚？

[匿名]

回覆: 3

2016-02-02 1:27 pm

請問如何求出需多少年，存款才能超過2000元?

[匿名]

回覆: 1

2016-01-30 2:05 pm

請問如何化簡下列算式?

[匿名]

回覆: 1

2016-01-21 1:31 pm

請問硫酸鋇粉末與碳酸鉀溶液混合會產生反應嗎?

葉大雄

回覆: 1

2016-01-08 6:54 am

C10H15NO C42H65NO16 C17H23NO3 C16H19ClN2 C8H10N4O2這5種分子式要如何將弟ㄧ個分子式用那兩種溶劑萃取出來?

[匿名]

回覆: 1

2016-01-08 5:12 am

Boiling point of CO2?

[匿名]

回覆: 1

2016-01-08 5:13 am

Boiling point of carbon dioxide?

[匿名]

回覆: 1

2016-01-08 5:15 am

Boiling point of carbon dioxide?

[匿名]

回覆: 1

2015-12-24 12:53 pm

怎麼用石灰乾燥劑做電石?

[匿名]

回覆: 2

2015-12-22 2:48 pm

竹竿5分之3在水中,7分之2在泥中水面部份2公尺全長7公尺?很急速速?

[匿名]

回覆: 1

2015-12-13 8:48 am

求解!! 要過程 在25度時，下列哪些溶液的[H+]與[OH-]乘積等於10的負14次方M2(2是小寫右上角)? (甲)純水;(乙)1M HCL;(丙)C₂H₅OH;(丁)2M NaOH?

Lim Pay

回覆: 2

2015-11-26 12:53 pm

下列何項不是真溶液的性質？　(A)溶質粒子是分子般大小，不能被看見　(B)靜置時，溶質粒子也不沉澱　(C)溶質粒子均勻分布在溶劑中　(D)可藉過濾除去溶質。?

Kwok Ho

回覆: 1

2015-11-10 7:42 am

化學計算質量問題 求列出計算方法?

[匿名]

回覆: 1

2015-10-28 11:54 am

ABCD為正方形，P為正方形內部一點，P到A、B、C的距離分別為1、2、3， 求 正方形面積？(答案5+2√2)?

用戶76424

回覆: 1

2015-10-18 12:42 pm

Chemistry的問題（關於mole數）?

[匿名]

回覆: 3

2015-10-09 7:12 am

請問如何計算出下列那個分數的值最大? 謝謝 7分5, 9分7, 17分7, 13分5?

[匿名]

回覆: 34

2015-10-04 5:39 am

A+10*5=100 A=?

[匿名]

回覆: 1

2015-09-24 1:36 pm

29題(全)怎麼寫?

[匿名]

回覆: 7

2015-09-21 5:15 am

ALGEBRA 2 question. if f(x) = 3x + 5/x, what is f(a+2)?

[匿名]

回覆: 1

2015-09-21 5:10 am

Solving chemical equation?

[匿名]

回覆: 2

2015-09-14 3:02 pm

please help me find the GCF AND LCM of a)12cd^3f^4 and 15c^3d^2f^9 b)12x^4yz^2 and 32x3y4z4 c)15p^4q^6r^4 , 20p^3q^9r^7 , and 10r^6p?

[匿名]

回覆: 5

2015-09-14 3:05 pm

Which photons are the highest energy?

[匿名]

回覆: 1

2015-09-14 2:55 pm

Anyone willing to give math help?

[匿名]

回覆: 1

2015-09-14 2:29 pm

H2S(g) + O2(g) → SO2(g) + H2O(g) Determine the maximum number of moles of SO2 produced from 6.00 moles of H2S and 2.00 moles of O2.?

[匿名]

回覆: 1

2015-09-10 5:21 pm

請問國一數學,1,若甲數為整數,且絕對值小於甲數的負整數有9個,則甲數=?

[匿名]

回覆: 4

2015-09-07 10:29 am

How do I solve this...simple quadratic equation? 10pts?

[匿名]

回覆: 4

2015-08-30 9:38 pm

4(-2)² + 8(-2) + 3(-2) + 6 =?

[匿名]

回覆: 4

2015-08-30 9:20 pm

If you have 80.5 g of carbon that can be converted to acetylene, what mass of hydrogen will be needed for the conversion?

[匿名]

回覆: 2

2015-08-30 9:28 pm

How to solve this?

[匿名]

回覆: 1

2015-08-30 9:25 pm

4m-4=4m simplefy?

[匿名]

回覆: 2

2015-08-30 6:40 pm

Physics Help Please!!!!!!!!??????????

[匿名]

回覆: 11

2015-08-30 6:49 pm

How do you factorise 4x^2-y^2?

[匿名]

回覆: 10

2015-08-30 6:30 pm

Averaging 75 miles per hr how long would it take to drive 732 miles?

[匿名]

回覆: 4

2015-08-30 6:26 pm

192n^5 *(1/n^2)?

[匿名]

回覆: 2

2015-08-30 6:07 pm

Volume Question? Chemistry?

[匿名]

回覆: 7

2015-08-30 6:11 pm

2/5 in decimal form must show work?

[匿名]

回覆: 3

2015-08-30 6:04 pm

how to solve 6X^2 -6x +13 = 0 using quadratic formula?

[匿名]

回覆: 1

2015-08-30 6:02 pm

jogger jogs around a circular track with a diameter of 225 m in 12 minutes. What was the jogger's average speed in m/s?

[匿名]

回覆: 4

2015-08-30 5:58 pm

Solve the linear equation (2x-3)/4=[(x-4)/2] - [(x+1)/4]?

[匿名]

回覆: 1

2015-08-30 5:28 pm

In how many ways can the letters of the word ‘STRANGE’ be arranged so that?

[匿名]

回覆: 6

2015-08-30 5:11 pm

I need help with math :(?