Answers created by Burglar

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• Calculate the fequency in Hz of electromagnetic radiation released when an electron makes the transition from n=5 to n=2 ?
  
• How do you write an equation of the line that passes through (–3, –5) and (3, 0)?
  
• How do you solve #x/(x-3)=2-2/(x-3)#?
  
• $8,000 is invested in two different accounts earning 3% and 4% interest. If the two accounts earn a total of $295 in interest, how much money was invested at 3%?
  
• How do you solve and graph the solution of #5>=7+y#?
  
• What mass of oxygen is found in #"1.36 g"# of #"MgO"#?
  
• How do you solve and graph #abs(-h+1.5)<3#?
  
• Circle A has a center at #(2 ,1 )# and an area of #16 pi#. Circle B has a center at #(8 ,12 )# and an area of #9 pi#. Do the circles overlap? If not, what is the shortest distance between them?
  
• How do you differentiate #g(x) = xe^(2x)# using the product rule?
  
• Question #7954d
  
• Question #fc731
  
• What is the slope-intercept form of #2y+4x=20 #?
  
• How do you find the inverse of #e^(2x )# and is it a function?
  
• How do you solve #lnx=2.7#?
  
• What is the largest known galaxy in the universe?
  
• What is the equation of the line that is normal to #f(x)= e^(2x-2) # at # x= 1 #?
  
• Carlos is 8 years older than Maria. 4 years ago maria was two thirds as old as Carols. How old are they?
  
• How do you find the slope and intercept of #3x-2y= -6#?
  
• How do you find the square root of 81?
  
• Question #df0fe
  
• A 68 kg person is standing on a scale in an elevator. What does the scale read when the elevator is at rest?
  
• How do you solve #2/3(x-7)=4/5#?
  
• How do you graph #y=2x-1# by plotting points?
  
• How do you write an equation of a line passing through (3, -5), perpendicular to #5x+2y=10#?
  
• How do you write the complex conjugate of the complex number # -3 + 2i#?
  
• What is the perimeter of a triangle with corners at #(6 ,5 )#, #(9 ,1 )#, and #(3 ,4 )#?
  
• How do you factor #27m^3+1#?
  
• How do you solve #Ln x^2 = 2#?
  
• What is the equation of a circle centered at the origin with radius 13?
  
• How do you write a quadratic equation with given root(s) -5?
  
• How many total manned missions landed on the moon?
  
• How do you solve #10+|m-6|=7#?
  
• Question #a9318
  
• A rock falls off a bridge and hits the water 8 seconds later. How high is the bridge?
  
• How do you find the local extrema for #f(x)= x^4-4x³#?
  
• A container with a volume of #8 L# contains a gas with a temperature of #120^o K#. If the temperature of the gas changes to #360 ^o K# without any change in pressure, what must the container's new volume be?
  
• How do you solve #16^(x+1)=4^(4x+1)#?
  
• How do you factor #x^4 - x^3 - 5x^2 - x - 6#?
  
• If y varies inversely as x and y = 320 when x = 25, how do you find y when x is 40?
  
• What occupations are there in the astronomy field?
  
• How are atoms and molecules related to cells?
  
• How do you solve and write the following in interval notation: #| x | – 2 <7#?
  
• How do you solve #8^(2x) = 8^(x+7)# and find any extraneous solutions?
  
• How do you solve #e^x=4 #?
  
• What is astroparticle physics?
  
• How do you simplify #18 sqrt - 2 sqrt 2#?
  
• What fraction of a given sample of a radioactive nuclide remains after four half-lives?
  
• What is the difference between astrophysics and astrobiology?
  
• What limits the size of a telescope on Earth?
  
• How do you solve and write the following in interval notation: # | 5x + 3 | >18#?
  
• How do you write the inverse of the function #y=x-12#?
  
• There are three consecutive positive integers such that the sum of the squares of the smallest two is 221. What are the numbers?
  
• How do you determine if #f(x)= (x-3)^2# is an even or odd function?
  
• How do you determine if #y= 5^(3 + 2x)# is an even or odd function?
  
• How do you find the associated exponential decay model given Q = 100 when t = 0; Half-life = 6?
  
• How do you find all the zeros of #f(x)=x^3 -8x^2 -23x +30#?
  
• A line passes through #(4 ,7 )# and #(2 ,8 )#. A second line passes through #(1 ,5 )#. What is one other point that the second line may pass through if it is parallel to the first line?
  
• Question #526f5
  
• A parallelogram has sides with lengths of #9 # and #8 #. If the parallelogram's area is #32 #, what is the length of its longest diagonal?
  
• How do you find the domain and range of #x^3#?
  
• How do you solve #2/3 = 2 - (5x-3)/(x-1)#?
  
• How do you simplify #(5x) /( x+2) * (x^2 +7x +10 )/(25x^2)#?
  
• How do you verify #(tan^2x + 1) / tan^2x = csc^2x#?
  
• Question #4a1fc
  
• How are strong force and weak force related to the big bang?
  
• The sum of three consecutive integers is -27. What are the numbers?
  
• The sum of the measures of the interior angles of a convex polygon is 8640°. How many sides does the polygon have?
  
• How do you simplify #-4sqrt12 times 3 sqrt8 #?
  
• Why does electromagnetic radiation in the ultraviolet region represent a larger energy transition than does radiation in the infrared region?
  
• Circle A has a center at #(-2 ,-1 )# and a radius of #3 #. Circle B has a center at #(-8 ,3 )# and a radius of #2 #. Do the circles overlap? If not what is the smallest distance between them?
  
• How is the Doppler Effect used to measure the distance a stellar object is away from Earth?
  
• What is a reference system in terms of astronomy?
  
• How do you find the equation of the circle with center at (3, 2) and through the point (5, 4)?
  
• How do you solve #Tan x + cot x -2 =0 #?
  
• What are three consecutive number whose sum is 111?
  
• In a particular television tube, the beam current is 50.0 micro A. How long does it take for #4.75 * 10^14# electrons to strike the screen?
  
• The refractive index of water is 1.33. What is the angle of refraction if light (in air) strikes water at an angle of incidence of a 24°?
  
• Question #46218
  
• An object is at rest at #(4 ,5 ,1 )# and constantly accelerates at a rate of #4/3 m/s^2# as it moves to point B. If point B is at #(7 ,2 ,6 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
  
• What is the difference between current and voltage, besides their units of measurement?
  
• What is the force, in terms of Coulomb's constant, between two electrical charges of #-2 C# and #2 C# that are #3 m # apart?
  
• A triangle has corners at #(1 ,9 )#, #(5 ,4 )#, and #(3 ,8 )#. How far is the triangle's centroid from the origin?
  
• How do you find the derivative of #1/sqrt (x-1)#?
  
• What is a magnetic field composed of?
  
• How long would it take a rocketship to reach Venus?
  
• What were popular theories of the universe's creation before the Big Bang Theory was conceptualized?
  
• How do you solve the system of equations #y=5x-8# and #4x+3y=33#?
  
• How do you find the amplitude and period of #y= 6 sin x#?
  
• How does the density of the universe affect its future?
  
• How do you solve #|x^2+2x|=0#?
  
• How do you write 53657 nanoseconds in scientific notation?
  
• How do you find the domain of #g(x)=10/(3-5x)#?
  
• How do you find the Limit of #(x^2)/(lnx)# as x approaches infinity?
  
• What is the device used to measure a potential difference in a circuit called?
  
• How do you find the slope for 2x+y=7?
  
• A triangle has sides A, B, and C. Sides A and B have lengths of 7 and 8, respectively. The angle between A and C is #(5pi)/24# and the angle between B and C is # (5pi)/24#. What is the area of the triangle?
  
• How does gravity keep a planet moving in an orbit around the sun?
  
• How do you calculate # log 0.00007#?
  
• How do you simplify #abs(-100 )#?
  
• How do you multiply #(m - 5)(m + 2)#?
  
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