Answers created by Ben G.

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• Question #9064d
  
• Question #6e2a4
  
• Question #146ea
  
• Question #54917
  
• Ming spent half of her weekly allowance on candy. To earn more money her parents let her weed the garden for $5. What is her weekly allowance if she ended with $12?
  
• How do you simplify #-50- 2[ 3( 1- f ) - 3( - 2+ f ) ]#?
  
• Question #02059
  
• After Mrs. Fisher lost 4​% of her​ investment, she had $ 55,200. What was Mrs.​ Fisher's original​ investment?
  
• How do you find the equation of the straight line joining: (3, -1), (5, 4)?
  
• Why do atoms have no electric charge even though most of their particles have charges?
  
• How do you evaluate #-7+ 3+ 9\div 3#?
  
• If you can buy 1/4 pizza for 5 dollars, how much can you purchase for 8 dollars?
  
• How do you multiply #5 1/2# by #3 3/4#?
  
• The Hall Héroult process is used to produce what?
  
• A ball with a mass of #125 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #8 (kg)/s^2# and was compressed by #3/5 m# when the ball was released. How high will the ball go?
  
• How do you solve the system of equations #8x - 3y = - 21# and #y = 5x#?
  
• How do you simplify #(3x + 4y ) - 6( 2x + 5y )#?
  
• Using the following reaction, if 1.75 moles of nitrogen gas are reacted with excess hydrogen gas, how many moles of #NH_3# will be produced? #N_2 + 3H_2 -> 2NH_3#?
  
• How do you find the slope for (9,-3) (10,3)?
  
• What is the volume of 2.10 moles of chlorine gas (#Cl_2#) at 273 K and 1.00 atm?
  
• The average temperature of blood circulating in the body is 98.6°F. What is this in °C?
  
• A baker needs to separate #12# cups of flour into #3/4# cup bags. How many bags can she make?
  
• What is the mass in grams of an object having a mass of 1.5 kilograms?
  
• Brad wants to buy a guitar that costs $75. He knows he will pay tax in addition to the price of the guitar. The tax rate is 89%. What is the amount of tax that Brad will pay on the guitar?
  
• 5) How many significant figures are in the number 0.02?
  
• What is the mass of .01 mole of silicon atoms?
  
• If a 0.5 L container of juice contains 15 g of sugar, what is the concentration of sugar?
  
• How do you write an equation of a line given (4, 6) and (-7, -3)?
  
• How can oxygen make two single bonds?
  
• What is percentage composition?