Answers edited by G_Ozdilek

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• How do you solve #\frac{3}{4}x-4=7+1/2x#?
  
• Question #a39bc
  
• How do abiotic factors affect biotic factors in an environment?
  
• Five years ago, you purchased a riding lawn mower for $1600. Recently, you resold the mower for $525. Assume that the value of the mower decays exponentially with time. How do you write an exponential decay model?
  
• What is 5/6 of an hour?
  
• Question #a4a9e
  
• What are the four agents of erosion?
  
• What is industrial pollution and what are its effects on health?
  
• Question #ccc0c
  
• Question #0b136
  
• How is the carbon cycle related to energy flow in ecosystems?
  
• A U.S. dime has a diameter of 17.9 mm. What is the diameter in m?
  
• The equation #4.05 p + 14.4 = 4.5 (p+3)# represents the number #p# of pounds of peanuts you need to make trail mix. How many pounds of peanuts do you need for the trail mix?
  
• What are the differences between concentrated and dilute acids?
  
• How do you find two numbers such that their sum is #9# and the difference of their squares is also #9#?
  
• Why is environmental science considered an interdisciplinary science?
  
• Question #0cf3d
  
• What is the distance between #(5,-18)# and #(-20,-9)#?
  
• The weight of 56 books is 8 kg. What is the weight of 152 such books? How many such books weigh 5 kg?
  
• How do you solve #sqrt(48x^3y^2)/sqrt( 4xy^3)#?
  
• How do you simplify #5sqrt8+2sqrt18#?
  
• When an integer #b# is subtracted from another integer #a#, the difference is 105. If #a=66#, what is #b#?
  
• How does acid rain change the conditions in small lakes, streams, oceans, rivers?
  
• Question #b0240
  
• David bought 3 DVDs and 4 books for $40 at a yard sale. Anna bought 1 DVD and 6 books for $18. How much did each DVD and book cost?
  
• How do you solve #4x^2 -18=82# graphically and algebraically?
  
• What would happen if most of the forests of Earth were cut down?
  
• Madison leaves her house and bikes north at a constant speed of 10 miles per hour. If her dad leaves the same house two hours later, driving north at a constant speed of 15 miles per hour, how long will it take him, in hours, to reach Madison?
  
• Question #9237e
  
• Question #e8ef9
  
• How do you graph #y=sqrt(x+2)#?
  
• Question #72db3
  
• How does urbanization affect water resources?
  
• How does mining affect erosion?
  
• Question #195bc
  
• Question #148e4
  
• How do you solve #5x^2=240#?
  
• How is ozone produced?
  
• How does the volume of a cone change if its radius and height are both tripled?
  
• How useful is Socratic?
  
• What are some real life examples of diffusion?
  
• Question #a396f
  
• What is the main reason for the depletion of the ozone layer?
  
• How do you graph #y=-3(1/4)^(x-1)#?
  
• Suppose that you have $6000 to invest. Which investment yields the greater return over 4 years: 8.25% compounded quarterly or 8.3% compounded semiannually?
  
• Lera comes to the swimming pool once every 12 days. Victor comes every 4 days and Oksana comes every 10 days. Last Monday all of them were in the pool. What is the next day they all going to be there?
  
• Question #e5863
  
• Question #b94b8
  
• Question #fbedc
  
• Solve? #2x-10y=-20 and -x+4y=28#
  
• Which are better, biofuels or fossil fuels? What are pros and cons of both?
  
• The four magicians at the Amazing Amusement park are paid an average weekly salary of $240. If Adam is paid $280, Tom is paid $270, and Nod is paid $300. Fumble is the fourth magician. What is the total for the four magicians?
  
• What is the molecular formula of a compound with an empirical formula of #C_4H_9# and a gram-formula mass of 114.0 g/mole?
  
• #ABCD# is a rectangle with #B(-5, 0), C(7, 0)# and #D(7, 3)#. What are the coordinates of #A#?
  
• What energy-producing chemical reactions might contribute to the greenhouse effect?
  
• Question #d18e7
  
• A container with a volume of #48 L# contains a gas with a temperature of #210^o K#. If the temperature of the gas changes to #810 ^o K# without any change in pressure, what must the container's new volume be?
  
• What are some sustainable development strategies we can use to manage forests as a renewable resource?
  
• How do you simplify #2 5/6 -2 5/22#?
  
• Question #ae181
  
• Where are fossil fuels found?
  
• Question #b3240
  
• Can someone please help me explain how to use the measures of a right triangle to calculate the exact value of sin 30°?
  
• What animals have been affected by acid rain?
  
• 8 plus 5 times a number is 7 times the number. What is the number?
  
• How do you solve #7^x=1/49#?
  
• While on vacation, Kevin went for à swim in a nearby lake. Swimming against the current, it took him 8 minutes to swim 200 meters. Swimming back with the current took half as long. What is his and the lake's current average speed?
  
• The restaurant is trying out a new menu. They asked 35 people if they liked the changes and 29 said they did. The restaurant had 297 customers that day. About how many liked the new menu?
  
• What is the solubility of methane, ethane, and propane in water?
  
• What are Growth/Decay rates?
  
• What is radiation pollution?
  
• If #"1500 g"# of water was heated by the combustion of #"1 g"# of sucrose to go from #25.0^@ "C"# to #28.3^@ "C"#, what is the enthalpy of combustion in #"kJ/mol"#?
  
• Question #ecbbb
  
• Question #0f30d
  
• Question #5a3b6
  
• How does agriculture impact our ecosystems?
  
• How do you multiply #0.58times0.04#?
  
• How do you simplify #(a^2+4a)/(a^2-16)#?
  
• Question #d1256
  
• A flat screen tv costs $1,306.62. A monthly fee of $5.50 is added if it is paid in installments. Marisa will pay for the tv over 18 months. How much will she pay each month?
  
• 3.5 is what percent of 14?
  
• How many liters of sweat can the average adult produce in 24 hours?
  
• How do you combine like terms in #(3- 7x ^ { 2} ) - ( 13x ^ { 2} + 2x - 8)#?
  
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