fooks

[匿名]

回覆: 1

2016-06-19 5:40 pm

Math help. Show steps, thank you.?

[匿名]

回覆: 2

2016-06-19 5:31 pm

help solve this equation to find the extreme values y=x^3+x^2-8x+5?

Carrot

回覆: 1

2016-06-19 4:49 pm

A 3-digit number is formed from the digits 1,23,4,5,6,7and 8 without repatition. How many numbers formed are odd?

[匿名]

回覆: 2

2016-06-19 5:11 pm

How much oxygen would be needed to react with 1kg of hydrogen? Explain your answer?

[匿名]

回覆: 1

2016-06-19 4:44 pm

Please help me with this question. Thanks.?

[匿名]

回覆: 1

2016-06-19 4:17 pm

Calculate the number of moles (n) of HCl reacted (read below)?

[匿名]

回覆: 1

2016-06-19 4:20 pm

A = B = C = .5M initial rate 1.5x10^-4 orders are 2, 0, 1 respectively. what is the rate constant. I got 1.2x10^-3 M^-2s^-1, but its wrong?

[匿名]

回覆: 1

2016-06-19 4:08 pm

(1/2)cos(4x-pi), -pi<=x<=pi what are the turning points.?

[匿名]

回覆: 4

2016-06-19 4:06 pm

7.)Write the third and fifth term of an arithmetic sequence whose fourth term is a and the common difference is 2.?

[匿名]

回覆: 1

2016-06-19 4:01 pm

What is iupac name of urea?

[匿名]

回覆: 1

2016-06-19 3:56 pm

Iupac name of urea?

[匿名]

回覆: 3

2016-06-19 3:28 pm

Homework Question?

[匿名]

回覆: 2

2016-06-18 7:29 pm

An electrolytic cell is made of an aqueous solution of CuSO4. If a current of 3.44 A is used in the cell?

[匿名]

回覆: 1

2016-06-19 2:44 pm

1.6g of a hydrocarbon on complete combustion ga e 4.4g of cow and 3.6g of h2o. Show that this data proves law of conservation of mass.?

[匿名]

回覆: 2

2016-06-19 2:41 pm

What formula do I use for this?

[匿名]

回覆: 2

2016-06-18 8:45 pm

The complex Sc(H2O)62+ absorbs light at 520. nm. Calculate ∆ for this complex to three significant figures?

[匿名]

回覆: 2

2016-06-18 8:18 pm

Ethanal and fehling's solution equation + What happens?

[匿名]

回覆: 1

2016-06-19 1:25 pm

Chemistry mcq? Calculate pH?

[匿名]

回覆: 1

2016-06-19 1:48 pm

Molecules in 3.2 g of oxygen?

[匿名]

回覆: 5

2016-06-19 6:08 am

A compound contains 2.4 moles of carbon and 3.6 moles of oxygen. What is the percent composition by mass of each element in the compound?

[匿名]

回覆: 4

2016-06-19 11:57 am

Please help me thank you! 1. (xyz+10)^2?

[匿名]

回覆: 3

2016-06-19 12:29 am

solve the inequality for 0≤ x≤ 2pi and express your answer in interval notation cos(2x)>1/2?

[匿名]

回覆: 8

2016-06-19 1:04 am

can some one solve for x?

[匿名]

回覆: 2

2016-06-18 8:54 am

Log question?

[匿名]

回覆: 2

2016-06-18 9:18 am

Algebra help! / finding x and simplifying?

yee

回覆: 2

2016-06-18 7:56 am

國二數學 特殊四邊形問題?

[匿名]

回覆: 2

2016-06-18 7:42 am

find the magnitude and direction of the sum of the following vectors? vector A= 35 N @ 65 degrees wrt x-axis Vector B= 10 N along x-axis?

[匿名]

回覆: 4

2016-06-18 6:44 am

Maths A Level Question - C3 Integration?

yee

回覆: 2

2016-06-18 4:51 am

國二數學 關於等腰梯形?

[匿名]

回覆: 2

2016-06-18 6:20 am

Please Help me with a math problem!?

[匿名]

回覆: 2

2016-06-18 3:50 am

The decomposition of 128.4g ammonium nitrate yields how many liters of water at 1.89atm and 314K?

[匿名]

回覆: 6

2016-06-18 5:11 am

if you have to put 2 teaspoons to 24 ounces how many teaspoons would you put in a gallon?

[匿名]

回覆: 3

2016-06-18 3:56 am

verify the identity 4tan 1/5 = π/4 + arctan 1/239?? heeelp?

[匿名]

回覆: 10

2016-06-18 4:29 am

When f(x)=4 (x+2)/(x-3)?

[匿名]

回覆: 6

2016-06-18 4:46 am

Can someone help me with this math word problem please?

[匿名]

回覆: 3

2016-06-18 4:30 am

how many moles of c2h2 are contained in 26.04 grams of c2h2?

[匿名]

回覆: 2

2016-06-18 4:32 am

A charge of 150c flows through a wire in one min . Find electric current flowing through it.?

[匿名]

回覆: 4

2016-06-17 6:15 pm

Math question! Solve by substitution 2x-4y=7 4x+y=5?

[匿名]

回覆: 3

2016-06-17 6:23 pm

MATH HELP: If f(x)=4x-6/x, what is the average rate of change of f(x) over the interval [-3, 6]?

[匿名]

回覆: 3

2016-06-17 6:28 pm

please help.?

[匿名]

回覆: 2

2016-06-17 5:58 pm

What is the equation for the heat of formation of FeSO4(s)?

[匿名]

回覆: 1

2016-06-17 5:51 pm

With what minimum speed must you toss a 170 g ball straight up to just touch the 15-m-high roof of the gymnasium if you release the ball?

[匿名]

回覆: 1

2016-06-17 5:41 pm

http://i68.tinypic.com/2dshhz7.jpg - Question 8 why is the answer (c)..?

[匿名]

回覆: 4

2016-06-17 5:34 pm

Please Help... z varies inversely with x and directly with y. When x = 6 and y = 2, z = 5. What is the value of z when x = 4 and y = 9?

[匿名]

回覆: 3

2016-06-17 2:56 pm

What is the correct name?

[匿名]

回覆: 1

2016-06-17 4:34 pm

Can someone help me with chemistry please?? I got stuck after using the M conversion.?

[匿名]

回覆: 2

2016-06-17 4:37 pm

Calculate the solubility of silver chromate, Ag2CrO4 (Ksp = 8.8 × 10^-12) in the presence of 0.0052 M K2CrO4.?

[匿名]

回覆: 1

2016-06-17 4:09 pm

http://i63.tinypic.com/4vprp1.jpg - Question 1 why is the answer (a)..?

[匿名]

回覆: 2

2016-06-17 4:14 pm

If (x-16)(x-19)=25/64 then x=? Give solving chart?

[匿名]

回覆: 2

2016-06-17 4:14 pm

The expression (4x-1)(x^2-x+3) can be written as which of the following?