Answers created by Shell

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• How do you simplify `(-2x^2y)^3(5xy^3)^2`?
  
• How do you simplify `(\frac { 2p ^ { - 2} q ^ { 3} } { 4p ^ { 8} q ^ { - 5} } ) ^ { - 5}`?
  
• How do you solve `0.4t^2+0.7t=0.3t-0.2` by completing the square?
  
• Question #8cd79
  
• Question #b9013
  
• How do you write `y= |x-5| -4` as a piecewise function?
  
• Question #4b3ae
  
• How do you use the properties of logarithms to expand `ln (6/sqrt(x^2+1))`?
  
• Question #db34a
  
• Which equation is the equation of a line that passes through (-10. 3) and is perpendicular to `y=5x-7`?
  
• The area of a trapezoid is 60 square feet. If the bases of the trapezoid are 8 feet and 12 feet, what is the height?
  
• How do you divide `\frac { 3k ^ { 2} - 2k - 1} { 3k ^ { 2} + 10k + 7} \div \frac { 9k ^ { 2} - 1} { 3k ^ { 2} + 4k - 7}`?
  
• How do you find the amplitude and period of `y=4sintheta`?
  
• How do you find the equation of an ellipse with vertices `(0,+-8)` and foci `(0, +-4)`?
  
• How do you write a balanced chemical equation for the reaction of magnesium solid with sulfuric acid to form hydrogen gas and magnesium sulfate?
  
• What is the period of the function `y=3 sin(2x)`?
  
• How do you find the values of x and y given `[(4x), (5)]=[(15+x), (2y)]`?
  
• How do you prove `csc^2theta-cot^2theta=cotthetatantheta`?
  
• It took 20 minutes to print out a 250-page report. At this speed, how many pages could this printer produce in 30 minutes?
  
• How do you solve `\frac { - 1- 3x } { 4} - \frac { 2x + x } { 6} = \frac { 1} { 3}`?
  
• How do you find `a_12` given 8, 3, -2, ...?
  
• How do you evaluate `(- \frac { 3} { 4} ) ^ { 3} \times ( - 8) ^ { 2}`?
  
• Question #7e8bb
  
• How do you divide `x^2-4x-3` by `x+5`?
  
• What is the point-slope form of the line that passes through (8,12) and (2,7)?
  
• How do you simplify `sqrt5/sqrt3`?
  
• How do you write the equation `log_7 (1/2401)=-4` into exponential form?
  
• How do you solve `-7= \frac { v } { 3} - 11`?
  
• Question #76df0
  
• How do you solve `[(2x, 3, 3z)]=[(5,3y,9)]`?
  
• How do you condense `3 log + 4 log y - 2 log z`?
  
• How do you find the vertex, focus and directrix of `x^2-2x+8y+9=0`?
  
• How do you convert `r=2(cos(theta))^2` to rectangular form?
  
• The measures of the triangle are in the ratio 2:4:6. What are the measures of the angles?
  
• How do you multiply `((4, 0), (-1, 3), (2, -5))` with `((1),( -3))`?
  
• How do you find the determinant of `|(-2,3), (-2,1)|`?
  
• Question #9385f
  
• Perimeter of a rectangle is 60 cm. The length is four times the width What are the length and the width of the rectangle?
  
• How do you simplify `root [ 5] { 243x ^ { 25} y ^ { 15} }`?
  
• How do you find the greatest common factor of `30y^3, 20y^2`?
  
• What are the possible rational roots of `x^3-5x^2-4x+20=0` and then determine the rational roots?
  
• How do you find the sum of the interior angle measures in 24-gon?
  
• How do you solve `\frac { 3} { x + 2} + \frac { 7} { x } = \frac { 8} { x ^ { 2} + 2x }`?
  
• Question #27269
  
• What is the slope of the line that passes through the points (-2,5) and (1,4)?
  
• How do you solve this set of linear equations: `6x - 3y = - 13;14x - 7y = - 8`?
  
• A triangle has corners at `(8, 1 )`, ( 5, -8)`, and`(7, -2 )#. If the triangle is reflected across the x-axis, what will its new centroid be?
  
• How do you find the x and y intercepts for `y=(x+12)^2-144`?
  
• How do you decide whether the graphs of the two equations are parallel lines: `y=6x-7, y=3+6x`?
  
• What are the coordinates of the vertex of the graph of y= |x+2|-4?
  
• A Square Mirror has sides measuring 2ft. less than the sides of a square painting. if the difference between their areas is 32ft^2, how do you find the lengths of the sides of the mirror and the painting?
  
• How do you solve the system `x-y-z=6`, `-x+3y+2z=-11`, and `3x+2y+z=1`?
  
• Question #d2ca6
  
• How do you use the rational roots theorem to find all possible zeros of `f(x)=3x^3-x^2+3x-1`?
  
• How do you find the greatest common factor of 8 and 24?
  
• How do you find the center and radius of the circle given `(x-3)^2+(y+7)^2=50`?
  
• How do you evaluate `tan ((2pi)/3)`?
  
• How do you find the Vertical, Horizontal, and Oblique Asymptote given `f(x) = (4x) / (x^2+1)`?
  
• How do you write the polynomial `3x^2-8x- 12x^5- 5x3+ 2x^4- 6` in standard form?
  
• A surveyor is standing 25 feet from a building and is looking at the top with an angle of elevation of 65 degrees. How tall was the building?
  
• How do you solve `2= 16^ { x }`?
  
• How do you divide `\frac { 3x ^ { 2} - 14x - 24} { 4x ^ { 2} - 81} \div \frac { 4x ^ { 2} - 25x + 6} { 8x ^ { 2} + 34x - 9}`?
  
• How do you simplify `i^10+i^2`?
  
• What is the next number in the sequence: `77, 49, 36, 18`...?
  
• How do you simplify `(8-6i)(-4-4i)`?
  
• The expression below was formed by combining different gas laws. Which law was used to determine the relationship between the volume and the number of moles in this equation?
  
• How do you use the remainder theorem to evaluate `f(a)=a^3+3a^2+2a+8` at a=-3?
  
• How do you find the variation constant and an equation of variation where y varies inversely as x and y=9 when x =12?
  
• How do you solve the system of equations `x- 4y = 12` and `5x + 4y = - 12`?
  
• How do you solve the quadratic `3r^2-5=-10` using any method?
  
• How do you simplify `(6^{2}-2^{2})\div (4^{1}-1^{2}+1)\times (8+10)`?
  
• What is `(-12z^6u^6 + 15z^6u^3) -: (-4z^4u^5)`?
  
• How do you evaluate `tan^-1(0)` without a calculator?
  
• How do you find the greatest common factor of `35n^2m, 21m^2n`?
  
• How do you write the hyperbola `36y^2-4x^2=9` in standard form?
  
• Question #21463
  
• Dariana walks at a rate of 8 seconds per 10 meters. What is her walking rate in meters per second?
  
• How do you find the sum of the geometric series `2-10+50-...` to 6 terms?
  
• What are the missing parts that correctly complete the proof?
  
• How do you write the polynomial function of least degree with integral coefficients that has the give zeros for 2, 4i?
  
• How do you solve `x=log_4 19.5`?
  
• How do you solve the equation `x^2-6x+9=8` by completing the square?
  
• Question #75ab3
  
• What is 6.6 in fraction form?
  
• Question #e1811
  
• How do you write 0.25 in fraction form?
  
• How do you graph `F(x)= log_(1/3)(x+5)`?
  
• Question #7da8f
  
• How do you multiply `(5x ^ { 2} - 4) ( 6x ^ { 2} - 7)`?
  
• How do you evaluate the expression `x+8y` when y=7 and x=4?
  
• How do you find nth term rule for `375,-75,15,-3,....`?
  
• How do you simplify the radical expression by rationalizing the denominator `2/sqrt30`?
  
• How do you write an equation in slope-intercept form for the line that passes through `(4,-2)` and is parallel to the graph of `y=1/2x-7`?
  
• How do you solve `3x+3y=9, -4x+y=3`?
  
• How do you simplify `(-4/5)^2`?
  
• How do you solve `(\ln ( x ) ) ^ { 2} + 2\ln ( x ) = + 15`?
  
• How do you use the intercepts to graph the equation: 4x+3y=12?
  
• Donnovan earned 99 points on his science project. If his grade was a 90%, how many points were possible?
  
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