Answers edited by Tazwar Sikder

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• How do you find the perimeter and area of a rectangle with width of `2sqrt7-2sqrt5` and length of `3sqrt7+3sqrt5`?
  
• What is the coefficient of the term `x^6` in the expansion of `(x+3)^10`?
  
• Physics Question?
  
• Quadratic formula ?
  
• How do you combine like terms in `(5- 2i ) - ( - 1+ 3i )`?
  
• How many moles of solute are in 425ml of 3.0M? How many grams of MgCl2 is this?
  
• How do you solve `11=3csc^2x+7` for `0<=x<=2pi`?
  
• Question #6192d
  
• Question #c43f5
  
• Question #c9f5b
  
• Question #3d8fc
  
• What is the integral of 2xe^x?
  
• Question #bc4c1
  
• Question #29e41
  
• What is the mass of `9.25 times 10^22` molecules of water?
  
• How do you simplify the expression `cot^2x+1`?
  
• How do you divide `(5-6i)/(-5+10i)`?
  
• How do you simplify `\frac { 5x ^ { 6} y ^ { 7} z } { 15x ^ { 2} y ^ { 5} z }`?
  
• Question #a2174
  
• Question #5fa21
  
• Vectors question?
  
• Question #c2fa8
  
• Question #e4948
  
• How do you factor `x^3+3x^2-2x-6`?
  
• How many formula units constitute a mass of `450*g` of `"calcium carbonate"`?
  
• How do you solve `4sinx=2sinx+sqrt3`?
  
• How do you solve `2(x-5)^-1 + 1/x = 0`?
  
• How do you simplify `(sqrt5+sqrt2)/sqrt10`?
  
• How do you find the derivative of `y =sinx/(1-cosx)`?
  
• A rational number with a denominator of 9 is divided by (-2/3). The result is multiplied by 4/5 and then -5/6 is added. The final value is 1/10. What is the original rational?
  
• How do you simplify `sqrt(20x^2)*sqrt(20x)`?
  
• Question #40a6a
  
• Question #06412
  
• Question #86d19
  
• Question #e7a53
  
• How do you Find the three consecutive even numbers such that the sum of the first and the third is twice the second?
  
• Discounts and markups?
  
• Question #17a50
  
• There are 20 guests at a party. The host has 8 gallons of punch. He estimates that each guest will drink 2 cups of punch. If his estimate is correct, how much punch will be left over at the end of the party?
  
• How do you integrate `y=(2x^3)/(4-x)` using the quotient rule?
  
• For the right angle triangle shown, which of the following values is the only possible value for the length of side C? Please I need steps.
  
• Question #3f768
  
• Question #ab0ea
  
• How do you simplify the expression `cot^2x/(cscx+1)`?
  
• A car has a mass of 1,200 kg. What is its acceleration when the engine exerts a force of 600 N?
  
• Question #5f07e
  
• How do you simplify `12 - 2 {24 + 2 [3 (7 + 4) + (6)^(2)]}`?
  
• How do you solve using the completing the square method `x^2 + 8x + 16 = 36`?
  
• How do you solve `sin^2x+sinx=0` and find all solutions in the interval `[0,2pi)`?
  
• How do you use DeMoivre's theorem to simplify `(-sqrt3-i)^4`?
  
• How do you simplify `\sqrt{98x^{4} y^{6} z^{2}}`?
  
• How do you solve: tanθ + secθ = 1 ?
  
• How do you simplify `(7i)/(8+i)`?
  
• How do you simplify `csc(-x)/cot(-x)`?
  
• How do you solve `|5x + \frac{1}{2} | - 4< 3`?
  
• What is the pressure exerted by 32.00 g of Oxygen gas in a 20. L container at 30.00 C? Use R = 0.0821 L atm/mol k?
  
• What is the logarithmic form of `e^a =38.47`?
  
• How do you solve `log_6 5-log_6(x-7)=1`?
  
• Question #b9b03
  
• How to solve this problem?
  
• Solve the polynomial inequality and express in interval notation? x^2-2x-15 < 0 I don't understand why the answer (-3,5) does not include negative infinity or infinity in the answer
  
• Question #9be7f
  
• How do you rationalize the denominator and simplify `root3((3a^8)/(4b))`?
  
• If 5^(3x)=8, find 5^(3+x)?
  
• What term is used for the electrons in the outermost shell or energy level?
  
• What is the slope of a line parallel to `6x+2y=8`?
  
• Can you simplify `\frac { 2z ^ { 2} + 6} { z ^ { 2} - 2z - 24}`?
  
• How do you write a rule for the nth term of the geometric sequence given the two terms `a_4=351, a_7=13`?