Answers created by Anish M.

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• What is the kinetic energy of an object with a mass of # 5 kg# that has been in freefall for # 2 s#?
  
• How do you solve for x in #sin2x+cosx=0#?
  
• What is the derivative of # ln(e^(4x)+3x)#?
  
• Solve? 0.45x+0.65y=15.35 9x+13y=305
  
• The element with highest value of first ionization potential is ?
  
• How do you find the domain of #f (x) = sqrt( -x) / [(x - 3) (x + 5)]#?
  
• How do you solve #6+ \frac { P } { 9} = 5#?
  
• How do you simplify #[\frac { 2} { 9} \cdot \frac { 3} { 10} - ( - \frac { 2} { 9} \div \frac { 1} { 3} ) ] - \frac { 2} { 5}#?
  
• Do #N# and #N# form a polar covalent bond?
  
• How do you solve by substitution #a = 3b - 4# and #a + b =16#?
  
• How do you factor and solve #2x^2 - 3= 125#?
  
• How do you solve #12x + 3 = 6x + 3#?
  
• What type of mixture is trail mix?
  
• How do you simplify #(4+sqrt50)-(3-sqrt(8)) #?
  
• A balanced lever has two weights on it, one with mass #2 kg# and one with mass #8 kg#. If the first weight is # 4 m# from the fulcrum, how far is the second weight from the fulcrum?
  
• Geometry help?
  
• Confusion on KE? I have a contradicting answer for an Energy problem. Isn't the KE of an object, when dropped from a certain height (40 m) going to be greatest before it hits the ground?
  
• How do you solve the system #-6x - 2y = -5 # and #-12x - 4y = -10#?
  
• Convert 180 grams of water to molecules of water?
  
• How do you write an equation in slope-intercept form for an equation of a line perpendicular to #y = -3x +1# and that intersects at point #(1, 2/3)#?
  
• Dave is riding on a straight path. After 5 s, his speed is 3.0 m/s. After 7 s, his speed is 5.0 m/s. After 10 s, speed is 7.0 m/s. What was his acceleration from 5 s to 10 s?
  
• How do you solve #\frac { n } { 5} - 8= 9.1#?
  
• How do you solve #14/x = 2/5#?
  
• How do you find the limiting reagent??
  
• How do you factor #n^2+4n-12#?
  
• If 3rd term of a g p is 324 and 7th term is 64, then find 10th term?
  
• 1/12 + 5/6?
  
• How can you find the radius of a circle from the area?
  
• Can the sides of a triangle have lengths 12, 45, and 35?
  
• The radius of a circle is 21cm. An arc of the circle subtends an angle of #60@# at centre. Find the length of the arc?
  
• Angle A and B are complementary. The measure of angle B is three times the measure of angle A. What is the measure of angle A and B?
  
• A man is pulling on his dog with a force of 70.0 N directed at an angle of +30.0° to the horizontal. What are the x and y components of this force?
  
• The length of a rectangle is 3 times its width. If the length were increased by 2 inches and the width by 1 inch, the new perimeter would be 62 inches. What is the width and length of the rectangle?
  
• An object is at rest at #(6 ,7 ,2 )# and constantly accelerates at a rate of #4/3 m/s^2# as it moves to point B. If point B is at #(3 ,1 ,4 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
  
• How can I find slope for (3,2) (3,-6)?
  
• How do you find the value of #cos105# without using a calculator?
  
• A petrol engine with an energy efficency of 45 percent produces 1500 joules of mechanucal energy what is the chemical potential energy of petrol?
  
• How do you solve #3log2x=4#?
  
• How do you write #2,750,389# in scientific notation?
  
• How do you solve #x- 7= 5- x#?
  
• How do you solve #\frac { 4} { 10} = \frac { n } { 6}#?
  
• How do you write a verbal express for the algebraic expression #3+x#?
  
• How do you solve # x^2/(x^2-4) = x/(x+2)-2/(2-x)#?
  
• How do you find the derivative of #3/(3x+3)#?
  
• How do you find the intercepts for #2x-y= -4#?
  
• Is 6 to 4 and 9 to 6 proportional?
  
• How do solve the following linear system?: # 3x – 2y = 7 , 9x + 6y = -2 #?
  
• Which is greater 2 1/4 or 2.1?
  
• How do you find the inverse of #f(x)= 2x +3#?
  
• What's the answer??
  
• What is the pH of a solution whose #H_3O^+# concentration is #1*10^-9#?
  
• Amanda and her best friend found some money buried in a field. They split the money evenly, each getting $24.28. How much money did they find?
  
• Alexie, Kaitlyn and Enrique were all gathering pecans for Mrs. Martinez. If Alexie gathered #2 1/2# pounds, Kaitlyn gathered 3.25 pounds, and Enrique gathered #4 1/4# pounds, how much did they gather all together?
  
• What is #(1 3/4+2 3/8) + 5 7/8#?
  
• Can #y=x^2+10+24 # be factored? If so what are the factors ?
  
• Find the differential of y in the function: y=^3√t(t^2+4)?
  
• The dot product of force and velocity gives?
  
• How do you graph the line #y=2x + 6#?
  
• What is the slope of the line passing through the following points: # (-3,-6) ; (25,17)#?
  
• How do you find the center and radius of the circle: # x^2 + y^2 – 10x + 6y + 18 = 0#?
  
• What is the distance between #(4 ,( 7 pi)/6 )# and #(-1 ,( 3pi )/2 )#?
  
• How do you graph the inequality # x + y ≥ 5# and #x – 2y> 8#?
  
• If a red apple is red by reflection, is it really blue apple?
  
• How do you solve #abs(2x - 3) = 6#?
  
• If you roll a regular 6-faced die 1200 times, about how many times would you expect to get a 4?
  
• How do you write the equation of a line that passes through the point (7, -2) and has a slope of -3?
  
• How do you translate "the product of 3 and x divided by the sum of x and y" into an algebraic expression?
  
• Given #f(x) = 2 - 3x# how do you evaluate f(a)?
  
• How do you solve the following system?: #x + 3y = -3 , y=-x + 12 #
  
• In a weightlifting competition, Jenna does 150 joules of work in 3 seconds. How much power did she use?
  
• Find the x-intercepts (if any) for the graph of the quadratic function.? #6x^2 +12x+5=0#
  
• What is the derivative of #f(x) = sec(5x)#?
  
• How to find y-intercept given y= - 6/5x + 6?
  
• How is gravitational force affected by mass?
  
• How fast will an object with a mass of #4 kg# accelerate if a force of #17 N# is constantly applied to it?
  
• For what values of x, if any, does #f(x) = 1/((5x+8)(x+4) # have vertical asymptotes?
  
• How do you solve #12- x = 8x - 1- 9x#?
  
• Tan theta =-4/3 where 90 lees then or equal to theta less than 180. find 2theta?
  
• Please help text answer thank you?
  
• How do you solve #4 / (x+1) + 3 /( x - 4) = 2 /( x +1)#?