Answers created by Manasvini Nittala

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• What is the value of -31 div 5 ?
  
• How do you factor the expression `a^2+ab-56b^2`?
  
• How do you solve `5( x + 7) - 8x = 20`?
  
• How do you solve `y=x-4` and `y=2x` using substitution?
  
• How do you calculate `log_2 512`?
  
• How do you solve `2m=30-3m`?
  
• How do you solve `\frac { - 3a } { a + 6} = \frac { 3} { a - 6}`?
  
• How do you solve `1-2e^(2x)=-19`?
  
• How do you solve `6( 1- 4w ) = - 18`?
  
• Cosθ<0, sinθ<0. In which quadrant does terminal side of θ lie?
  
• How do you find the inverse of `y=(3x-7)/(x+9)`?
  
• What is the mean and median of 3, 8, 4?
  
• Question #4f76e
  
• How do you find the value of `arccos(-sqrt2/2)`?
  
• Question #9773c
  
• Question #7ebbf
  
• How do you combine `2m ^ { 2} - 4m ^ { 2} + - 2m ^ { 2} + - 3m ^ { 2} + - 6m ^ { 2} + - 4m`?
  
• How do you divide `\frac { r ^ { - 41} s ^ { - 74} t ^ { 0} \cdot r ^ { - 1} s t ^ { - 56} } { r ^ { - 1} s ^ { - 1} t ^ { - 1} }`?
  
• Question #e6972
  
• Solve the equation ?
  
• What is parallel syntax?
  
• Question #89c39
  
• Question #bb165
  
• How do you integrate `f(x)=x^3secx` using the product rule?
  
• Question #354d2
  
• Question #9872b
  
• How do you find the exact value of `tan(u-v)` given that `sinu=-7/25` and `cosv=-4/5`?
  
• How do you solve this system of equations: `-x + 2y = 10 and 3x + 4y = - 10`?
  
• How do you simplify `\frac { ( a ^ { 4} b c ^ { 2} ) ( 3a ^ { 4} b ^ { 3} c ^ { 2} ) ^ { 2} } { ( 3a ^ { 3} b ^ { 3} c ^ { 2} ) ^ {3} }`?
  
• Question #167b4
  
• How do you solve `\log _ { 3} ( \frac { 1} { 9} ) = x`?
  
• Find all solutions to the non-linear systems: 4`sqrtx` + `sqrty` = 34 and `sqrtx` + 4`sqrty` = 16 ?
  
• How do you differentiate `y=x(sin(lnx)-cos(lnx))`?
  
• How do you factor and solve `2x^2+2x-2=0`?
  
• What is the degree of this polynomial: `x^6 + 5x^2 + 7`?
  
• How do you express `26/8` as a decimal number?
  
• How do you solve this system of equations: `9y = 3x + 18 and 13x - y = - 2`?
  
• How do you evaluate `\frac { 2( 5- 7^ { 2} ) } { 12} - ( 3^ { 2} ) + | - 6+ 1|`?
  
• How do you evaluate `2.4\div 15.2`?
  
• Question #2b1be
  
• How do you evaluate `arctan(sqrt3/3)` without a calculator?
  
• How do you evaluate `-17- ( - 1) + \frac { 2} { 3} + \frac { 1} { 2}`?
  
• How do you evaluate `\frac{2}{11}x=\frac{5}{8}`?
  
• How do you simplify `\frac { k - 2} { 3k + 3} - \frac { k + 1} { 3k + 3}`?
  
• Question #33b66
  
• How do you find the roots, real and imaginary, of `y=-(x -2)^2-4x+5` using the quadratic formula?
  
• If the expression `(3^a * 2\sqrt 9)/ (27\sqrt 4) = 1`, what is the value of a?
  
• How do you solve the system `y=1/3x+2, y=-x-2` by graphing?
  
• How do you solve `\frac { 12} { 18} = \frac { x} { 3}`?
  
• Question #04db2
  
• How do you factor `3x^2-8x+15`?
  
• What is the greatest common factor (GCF) of 20 and 35?
  
• How do you solve `x ^ { 2} - 4x - 12= 0`?
  
• A triangle has corners at `(1 ,6 )`, `(7 ,4 )`, and `(5 ,9 )`. How far is the triangle's centroid from the origin?
  
• Question #dae8f
  
• How do you evaluate `sqrt(2/3) + sqrt(4/3)`?
  
• What is chemical pollution?
  
• Question #4a64f
  
• What is the slope of the line going through `(9, 3)` and `(1, 6)`?
  
• Question #86398
  
• How do you evaluate `(-6-4i)(-1+4i)`?
  
• Question #83c1a
  
• How do you solve `sqrt(a+21)-1=sqrt(a+12)`?
  
• Question #279a3
  
• What is the function of the EPA?
  
• Question #e7dbd
  
• How do you solve `2y-(5y+1)=1`?
  
• Question #c1aeb
  
• How do you solve `8x-2=-9+7x`?
  
• Question #f43e1
  
• How do you solve this system of equations: `x- y = 6 , 2y + 5z = 1, and 3x - 4z = 8`?
  
• When you use the inverse operation, should you use it on the left side, the right side or both sides given `r+4=58`?
  
• What does an atom's valence electrons determine?
  
• Question #bcd57
  
• Who is considered the founder of modern chemistry?
  
• Question #708da
  
• A washer and a dryer cost $849 combined. The washer costs $99 more than the dryer. What is the cost of the dryer?
  
• How do you solve and write the following in interval notation: `(x+1) / (x-1) <=2`?
  
• What is the equation of the line that passes through (3, 5) and (-7, -6)?
  
• Question #d3f09
  
• Question #bc9cf
  
• How do you find the exact value of `arctan(tanpi)`?
  
• What is the difference between a theory and a hypothesis?
  
• How do protic solvents stabilize carbocations?
  
• How do you find the other trigonometric functions given `tantheta=2/3, sectheta=sqrt13/3`?
  
• How do you simplify `\sqrt { \frac { 75a ^ { 3} b ^ { 3} } { c ^ { 2} d ^ { 6} } }`?
  
• Five of the 100 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly an item that is not defective?
  
• How do you solve `(6x + 5)( x - 3) = - 2x ( 7x + 5) + x - 12`?
  
• What was one positive result of the British raj's rule in India?
  
• Question #c1c24
  
• Question #6cdd8
  
• Question #e0b0f
  
• How do you solve `x+5=-3`?
  
• What kind of conic is defined by the equation `2x^2+4y^2-4x+12y=0`?
  
• Question #995d9
  
• Question #d48ce
  
• Question #444a0
  
• What continent has the highest number of different natural disasters?
  
• Question #29f4a
  
• White light is broken down into what colors?
  
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