Answers created by Pratik B.

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• A yoga membership costs $16 and an additional $7 per class. How do you write a linear equation modeling the cost of yoga membership?
  
• Question #75b06
  
• How do you convert pH to pOH?
  
• How do you balance #Al + F_2 -> AlF_3#?
  
• What is the distance between #(-7,5)# and #(2,12)#?
  
• How do you solve #1/4 (2x-14) =4#?
  
• What is 64% of 75?
  
• How do you solve for #r# in the formula #S = L - rL#?
  
• The second angle of a triangle is twice the first angle. The third angle is 20 degrees more than the first angle. What is the first angle?
  
• The perimeter of a rectangle is 82 m. If the width were doubled and the length were increased by 18 m, the perimeter would be 150 m. What are the length and width of the rectangle?
  
• How do you prove # cot^2 x +csc^2 x = 2csc^2 x - 1#?
  
• What is the slope of the line passing through the following points: #(-2, -4) , (-5, 2) #?
  
• What is the equation of the line between #(5,13)# and #(-1,3)#?
  
• If sides A and B of a triangle have lengths of 3 and 5 respectively, and the angle between them is #(pi)/4#, then what is the area of the triangle?
  
• How do you prove that # cot^2x = (1+cos2x)/(1-cos2x) #?
  
• What is the area of an equiangular triangle with perimeter 36?
  
• A circle has a radius of 6 inches. What would be the area of an inscribed equilateral triangle?
  
• The sides of a hexagon each equal 116 units. What are its perimeter and its area?
  
• What is the area of a parallelogram with height 6 inches and base 11 inches?
  
• What is the pH and pOH if the H+ concentration is #1*10^-4#?
  
• Why does the temperature of a substance increase as vapor pressure increases?
  
• How many valence electrons would be found in an atom of Te?
  
• Two identical cups of cocoa are sitting on a table. One has a metal spoon in it and one doe snot. After five minutes, which is cooler, and why?
  
• What is the equation of a line that goes through the points #(-12, 3)# and #(8, 15)#?
  
• If #x=2+sqrt(3)# and #y=2-sqrt(3)# then what is #x^2+y^2+xy# ?
  
• How do you simplify #tan t * cot t - sin^2 t#?
  
• How do you use the Pythagorean Theorem to determine if the three sides are a right triangle: 9 in, 12 in, 15 in?
  
• How do you write an equation in standard form given a line that passes through (5,4), with m=-2/3?
  
• How do you find the slope and y intercept for #y + x = -3#?
  
• How do you find the slope and y intercept for #x+y=7 #?
  
• How do you find the slope and y intercept for #3x + 2y = 10#?
  
• How do you find the slope and y intercept for #2y+3x=-2#?
  
• How do you write the point-slope form of an equation of the line that passes through each pair of points (4,1), (-3,6)?
  
• What is the slope of (4,1) (0,-4)?
  
• How do you use pythagorean theorem to solve the right triangle if the legs have lengths 4 and 9?
  
• How do you use pythagorean theorem to solve the right triangle if the legs have lengths 4 and 9?
  
• In what quadrant is secant negative and tangent positive?
  
• Question #539df
  
• A) Which group of elements is the most metallic? b) Which group of nonmetals is the most reactive? c) Which group of nonmetals is the least reactive? 6) What is the most chemically reactive metal? 7) What is the most chemically reactive nonmetal?
  
• What is the equation in point-slope form and slope intercept form of the line given slope 3⁄5 that passes through the point (10, −2)?
  
• How do you factor #a^2 - a - 20#?
  
• How do you factor #x^2+12x + 20#?
  
• How do you simplify #(x^2+2x)/(x^2-4)#?
  
• How do you simplify #(x^2+x)/(x^2+2x)#?
  
• Question #d600c
  
• How does vapor pressure relate to the boiling point?
  
• How do you combine #1/3 + 7/(3x) - 2/(3x+6) #?
  
• How do you find the slope and y intercept for #y=3x+2#?
  
• How do you combine #(4x+y)/(2x+3y) - (2x-2y)/(2x+3y)#?
  
• How do you solve #x^2-10x+25=0#?
  
• How do you find the solution set for x² + 10x + 25 = 64?
  
• How do you find the solution set for 5x² - 30x = -25 ?
  
• How do you find the slope for E(3,2), F(3,-1)?
  
• How do you factor #x^4-16#?
  
• How do you factor #p^4-q^4#?
  
• A sample of hydrogen gas is mixed with water vapor. The mixture has a total pressure of 745torr, and the water vapor has a partial pressure of 24 torr. What is the partial pressure of the hydrogen gas?
  
• Summarize HSAB theory?
  
• How can I calculate Gibbs free energy at different temperatures?
  
• Question #273c3
  
• What is osmotic pressure? What is isosmotic? What is hyposmotic?
  
• Question #2c5a4
  
• Why are there different Newman projections for one molecule in organic chemistry?
  
• Does surface tension change with concentration?
  
• Question #1423e
  
• A container holds three gases: helium, argon, and xenon. The partial pressures are 0.450 atm helium and 0.350 atm argon. The total pressure is 3.00 atm. What is the partial pressure of xenon?
  
• How can I draw a reaction coordinate in a potential energy diagram?
  
• What are orbitals?
  
• Can non metal conduct electricity?if yes ,how?if no, why?
  
• What are isotones?
  
• How do enzymes speed up rates of reaction?
  
• How do intermolecular forces affect vapor pressure?