Answers created by Alippiun

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• What is the empirical formula of a compound that contains 75.7% arsenic and 24.3% oxygen?
  
• What is the value of #f(x) = -x^2 + 8x - 6# when #f(2)#?
  
• What is #(x^3y-2xy+xy^2) ÷xy#?
  
• Question #00b38
  
• How do you express #(x^2 - 3x) / ((x-1)(x+2))# in partial fractions?
  
• A sample of oxygen gas has a volume of 150.0 mL at a pressure of 0.947 atm. What will the volume of the gas be at a pressure of 1.000 atm if the temperature remains constant?
  
• If #9 L# of a gas at room temperature exerts a pressure of #15 kPa# on its container, what pressure will the gas exert if the container's volume changes to #4 L#?
  
• How do you find the number of permutations of 5 CDs if you have a total of 23 CDs?
  
• How do you find the determinant of #((14, -13, 0), (3, 8, -1), (-10, -2, 5))#?
  
• In how many different ways can you arrange the letters of the word INTERNET?
  
• How much work does it take to raise a #2 kg # weight #1 m #?
  
• Suppose X is a discrete random variable and k is a constant. If E(3X+k)=26 and E(2k-X)=3 , what is E(X)?
  
• How do you integrate #int 4 x ln x^2 dx # using integration by parts?
  
• How do you find the coordinates of the midpoint of line #LM# if #L(-7, -4)#, and #M(5, -10)#?
  
• How do you solve #x^(4/3)+9=25#?
  
• What is the molarity of a solution containing 4.0 moles of NaOH in 2.0 L of solution?
  
• What was Robert Hooke's contribution to biology?
  
• How do solve the following linear system?: #-7x + y = -19 , -2x + 3y = -19 #?
  
• How do you find the range of #x^2/(x-5)#?
  
• How do you find square root of 136?
  
• How do you evaluate the expression 9x + 6y + 5x + 4y if x=7,y=9?
  
• What is 1/2 + 3/8?
  
• Find the coordinates of the point that divides AB in the ratio given (a)A(-1,4),B(3,1) 1:2 internally (b) A(3,5),B(-2,3) 3:2 externally?
  
• What is the square root of twelve times the square root of 3?
  
• What is (5 -(sqrt)2) (3 + sqrt 2)?
  
• How do you find the quotient of 15 divided by 5/6?
  
• How do you simplify #sqrt 80 / sqrt 5#?
  
• Find the equation of circle with centre (1,-2),touching the line 4y-3x=5 using x²+y²-2xh-2ky+c as the general formula (answer=25x-50x+100y-131)?
  
• Find the equation of the circle with diameter AB where A and B are the points (-1,2) and (3,3) respectively?
  
• What divided by 6 equals 7?
  
• What divided by 4 equals 9?
  
• Question #e7283
  
• How do you solve 2x - y = -5 and x + 1 = 0?
  
• What is the square root of 7056?
  
• What is the square root of 784?
  
• What is the square root of 1.69?
  
• How do you simplify #5sqrt2(7/10)#?