Answers created by Surya K.

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• How do you find the derivative of `ln(ln x^2)`?
  
• How do you solve `4x + 2= 12x + 3`?
  
• How do you simplify `i^20`?
  
• How do you determine the limit of `1/(x-3)` as x approaches `3^+`?
  
• How do you simplify `(- \frac { 2 1 x ^ { 8 } y ^ { - 8 } } { 3 z ^ { - 7 } } ) ^ { 4 }`?
  
• Find the limit?
  
• How do you integrate `int t sin(mt)dt` where m does not equal 0?
  
• How do you solve the following linear system `-x + y = 2 , x + 3y =2`?
  
• How do you solve `(x-1)^2=9`?
  
• What is the vertex form of `y= 5x^2-9x-2`?
  
• How do you write as a single logarithm `1/2 Log _b3 +1/2 Log_bx - 3 Log_b Z`?
  
• How do you find the roots, real and imaginary, of `y= (3/4x+1460)x+300` using the quadratic formula?
  
• How do you solve -2x + y = -1 and x + y = 5?
  
• How do you find the derivative of `e^(-5x^3+x)`?
  
• How do you find the antiderivative of `(4x^2 - 3x)e^x`?
  
• For an object whose velocity in ft/sec is given by v(t) = −t2 + 4, what is its displacement, in feet, on the interval t = 0 to t = 3 secs?
  
• The surface area, `S`, of a cube with volume `V` can be found using the formula `S= 6V^(2/3)` What is the surface area of a cube whose volume is 125 cubic inches?
  
• Find the sum of the following series if the number of terms is 183 and the series is 4+(-4)+4+(-4).........?
  
• How do you find the sum of the first 25 terms of the arithmetic sequence: 7, 19, 31, 43?
  
• Why should ourfood contain Iodine?
  
• What element in the fourth period is an exception to the Aufbau principle?
  
• How do you solve `\sqrt { 2x + 41} - 3= x`?
  
• Why is blood drawn from vein and not from artery during blood donation?
  
• How do you find the domain of `f(x)=sqrt(12 - 2x^2)`?
  
• What is int_0^1x^4dx?
  
• How do you differentiate `f(x)=lnsqrt(-e^(4x)-2)` using the chain rule.?
  
• How do you find the product of `(n+3)^2`?
  
• Find the limit as x approaches infinity of `y=ln( 2x )-ln(1+x)`?
  
• Calculate the number of moles in 2.2 grams of niacin?
  
• How to do this question?
  
• A brand new motorcycle goes from 0 to 60 mi/hr in 3 seconds. What is its acceleration?
  
• What is the slope of the tangent line of `r=-2sin(2theta)+cos(3theta)` at `theta=(-11pi)/8`?
  
• How do you find the inverse of `f(x)= 1- ln(x-2)`?
  
• How do you write this expression in the form of a+bi? (3-2i)^3
  
• How do you solve `2^x=0.5`?
  
• How do you find the derivative of `(arcsin(x))^(2)`?
  
• What is the 8th term in the sequence given `a_n=25-3n`?
  
• What is a second derivative?
  
• How do you solve the simultaneous equations `y+2x=6` and `y=4/x`?
  
• How do you integrate `(t^2)e^(4t)`?
  
• What is the axis of symmetry for the graph of the quadratic equation `y=3x^2-12+12x`?
  
• How do you solve `4( e ^ { x } + 1) = 12`?
  
• How do you solve `x^2+2x-3=0` using the quadratic formula?
  
• What is the solution to the system of equations: `5x + 2y = -7`, and `-5x + y = 19`?
  
• How do you solve for `g` in `T = 2pi sqrt(L/g)`?
  
• How do you differentiate `y = x^(cos x)`?
  
• What is the range of the function `f(x)= 1/(x-1)^2`?
  
• How do you find the derivative of `f(t)=(4-t)^3`?
  
• Determine the roots of the quadratic equation ?
  
• What is the distance between `(13,-13,1)` and `(22,-1,6)`?
  
• How do you rewrite with fractional exponents for `sqrt((4mn)/(a^2b^2))`?
  
• An `8 L` container holds `6` mol and `15` mol of gasses A and B, respectively. Every three of molecules of gas B bind to one molecule of gas A and the reaction changes the temperature from `310^oK` to `150 ^oK`. By how much does the pressure change?
  
• Write a balanced equation to show the reation of sulfurus acid with lithium hydroxide to form lithium sulfite and water ??
  
• 4 C3HsN309 (1) 12 CO2 (g) + 6 N2 (g) +10 H20 (g) + 02(g) What volume is occupied by all of the gases produced when 1.00 kg of nitroglycerin explodes? The total pressure is 1.54 atm at 423°C
  
• 𝑙𝑜𝑔2𝑥+𝑙𝑜𝑔2(𝑥+2)=𝑙𝑜𝑔2(𝑥+6)?
  
• 2atm 20°c temperature 10g O2 volume 3.76 R value?
  
• `inte^(3x)sin(4x)dx`?
  
• How do you differentiate `h(t)=(t^4-1)^3(t^3+1)^4`?
  
• If 110.4 grams of oxygen gas exerts 101.3 kPa of air pressure at 0°C, what volume would the gas occupy?
  
• How do you prove: `Cosx + sinx tanx = secx`?
  
• Evaluate using Pythagorean identities?
  
• How do you find the second derivative of `y=tan(x)`?
  
• How do you convert -115 degrees to radians?
  
• How do you simplify `(16r^3tz^5)/(-4rt^3z^2)`?
  
• Fe(s) + O2(g) --> Fe3O4(s) When 13.54 g of O2 is mixed with 12.21 g of Fe, what mass in grams of excess reactant remains when the reaction is complete? 2 decimal places
  
• How do you use integration by parts to evaluate the integral `2xsin(x)dx`?
  
• How do you find the derivative of `(sinx^2)/(tanx)`?
  
• How do you differentiate `f(x) =((65e^-7x)+2)^3` using the chain rule?
  
• What is the derivative of the following funct ion? (1) y=4sin^-1(3×) (2) y=ln(5×+sin^-1(×) (3) y=3cos(sin^-1(2×+3))
  
• What is the value of `6x^2+17` when `x=8`?
  
• Suppose a video store charges non-members $4 to rent a video. A membership costs $21 and then videos cost only $2.50 to rent. How many videos would you need to rent in order to justify a membership?
  
• How do you find the instantaneous rate of change of the function `f(x)=x^2+2x` when x=0?
  
• What is the distance between `(48,18)` and `(34,12)`?
  
• How do you determine the limit of `(x+5)/(x-2)` as x approaches 2+?
  
• How much heat is absorbed by a 67g iron skillet when its temperature rises from 9 degrees C to 25 degrees C?
  
• Help with Concentration from pH?
  
• How do you solve `3x > 21`?
  
• If `f(x) = 5x^2+6` and `g(x) = -3x+3`, what is `(f-g)(-3)`?
  
• A 9.380 mol sample of nitrogen gas is maintained in a 0.8198 L container at 301.8 K. What is the pressure in atm calculated using the van der Waals' equation for N2 gas under these conditions? For N2, a = 1.390 L2atm/mol2 and b = 3.910×10-2 L/mol. __ atm
  
• What is the vertex form of `y= 3x^2 + 9x-6`?
  
• Is `f(x)= 4sin(4x-(3pi)/4)` increasing or decreasing at `x=pi/12`?
  
• What is the inverse of `y=log(x-4)+2` ?
  
• How do you factor the expression `20x^2 + 60 x + 45`?
  
• Find the value of theta, if, Cos (theta) / 1 - sin (theta) + cos (theta) / 1 + sin (theta) = 4 ?
  
• A triangle has sides A, B, and C. The angle between sides A and B is `(pi)/2` and the angle between sides B and C is `pi/12`. If side B has a length of 16, what is the area of the triangle?
  
• How much momentum does a `6 kg` object moving at `1/4 m/s` have?
  
• How do you find the domain and range of`y = 3/ (x + 6)`?
  
• How do you differentiate `1/2 (ln x)`?
  
• The total area of a cube is expressed by A(x) = 24x^2+24x+6. What is the volume of this cube?
  
• How do you simplify `(12n^2+15n)/(3n)`?
  
• What are the asymptotes and removable discontinuities, if any, of `f(x)=e^x/(1-e^(3x^2-x))`?
  
• How do you find the average rate of change of `f(x)=cot x` over the interval [pi/6, pi/2]?
  
• Integrate the following? lnx/x^2 dx
  
• Find the domain of f?
  
• A `7 L` container holds `30` mol and `18` mol of gasses A and B, respectively. Groups of three of molecules of gas B bind to five molecules of gas A and the reaction changes the temperature from `320^oK` to `480^oK`. How much does the pressure change?
  
• The gas inside of a container exerts `16 Pa` of pressure and is at a temperature of `430 ^o K`. If the temperature of the gas changes to `120 ^oC` with no change in the container's volume, what is the new pressure of the gas?
  
• What happens to the helium balloon kept in the refrigerator? Which law is suitable for this? Charles law or Boyle's law or grahams law of diffusion??
  
• Shellie has a compounding monthly account. She has $12 300 in her account now, how much will she have in 65 months at 4.5% interest?
  
• Question #28e8b
  
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