Answers created by Madi

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• A sample of an ideal gas has a volume of 2.34 L at 279 K and 1.10 atm. What is the pressure when the volume is 1.78 L and the temperature is 304 K?
  
• What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (O) by mass?
  
• Question #9fe3d
  
• For what values of `m` does the graph of `y = 3x^2 +7x + m` have two x-intercepts?
  
• How many moles of `CaCl_2` are in 250 mL of a 3.0 M of `CaCl_2` solution?
  
• How do you solve `sqrt(4p+1)=2p-1`?
  
• What is the temperature of 350 mL of gas at .85 atm if it has a volume of 920 mL at STP?
  
• The legs of a right triangle measure `2sqrt3` and `5`. What is the length of the hypotenuse?
  
• What is the the volume occupied by 2.34 g of carbon dioxide gas at STP?
  
• A pizza place offers 4 different cheeses and 10 different toppings. In how many ways can a pizza be made with 1 cheese and 4 toppings?
  
• How many grams of `KCl` are needed to make 500 mL of 2.45 M `KCl`?
  
• What is `(8x^4y^2)/(3z^3) * (9xy^2z^6)/(4y^4)`?
  
• Question #ab32b
  
• Carlos hiked `1 3/4` miles a nature trail to a fork in the trail. He then hiked `2 1/2` miles along a path that led to a waterfall. When Carlos reached the waterfall, how far had he hiked altogether?
  
• Is the ordered pair (2,7) is a solution of the equation: y - x = 5?
  
• How do you find the period of `5sin2x`?
  
• There are two triangles. One has a base of 8 cm and a height of 10 cm. The other has a base of 5 cm and a height of 13 cm. Which triangle has a larger area?
  
• How do you multiply `5/6 times 1/2`?
  
• How do you write the equation `y = —1/4x + 3` in standard form?
  
• What is the maximum number of orbitals in the p sublevel?
  
• What is the difference between mass number and atomic number?
  
• What is the vertex of `y = x^2 − 4x + 3`?
  
• How do you simplify `sqrt((1/18))`?
  
• How would you calculate the mass number of an atom?
  
• The base of a triangle of a given area varies inversely as the height. A triangle has a base of 18cm and a height of 10cm. How do you find the height of a triangle of equal area and with base 15cm?
  
• In a survey of 2000 people, it was found that 1320 have a microphone wave oven. How do you find the percent of people who own microwaves?
  
• How do you evaluate the function `f(x) = -|x+4|+x^2` for `f(-9)`?
  
• How do you evaluate the function `f(x)=3x-7` for x=4?
  
• If `f(x) = 2x - 10` ; `g (x) = 4x + 20` what is the value of (f + g) (3) ?
  
• How do you find the slope perpendicular to `6x + 2y = 4`?
  
• How do you evaluate the function f(x) = x - 8 for x = 2?
  
• How do you simplify `5^(1/2) * 5^(1/4)`?