Answers created by Trevor Ryan.
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How can the following sentence be improved with the addition of an adverb?:
Mark and John were riding their bicycles when Mark fell off of his.
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A spring with a 5 kg mass attached bounces up and down, displaying simple harmonic motion. The spring constant is 250 N/m. What is the period of the spring's motion?
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Question #055a2
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What are factors of 17?
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If you squash a balloon, the pressure inside it rises. How does the kinetic theory explain this?
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The speed of sound in water is 1430 m/s. What is the wavelength of a sound with a frequency of 286 Hz traveling through the water?
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How does kinetic energy relate to the states of matter?
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How do you simplify #4(3^2+3) # using PEMDAS?
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How do you solve #143 = -11x#?
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What is the moment of inertia of a pendulum with a mass of #8 kg# that is #8 m# from the pivot?
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How many grams of aluminum are required to produce 8.70 moles of aluminum chloride in the reaction #2Al + 3Cl_2 -> 2AlCl_3#?
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Is -12 a rational number?
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How do you solve #d + 3/8 = 1/8#?
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What is the part of the urinary system that filters blood and produces urine called?
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What is the trigonometric form of # (2+5i) #?
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How do you find #abs(-1 - 2i)#?
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How do you differentiate #f(x)=ln2^x/(3ln3x) #?
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What is 75 degrees fahrenheit converted into celsius and kelvin?
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How do you write 2,859,000 in scientific notation?
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Can a greatest common factor be 1?
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What is the greatest common factor of 21 and 63?
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What is a rational or irrational number?
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It takes 23.5 kJ of heat energy to raise the temperature of 100 g of a substance by 50°C. What is the substance?
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How do you find the determinant of #((1, 0, 0, 0), (sqrt3, 2, 0, 0), (-0.003, 0, -3, 0), (1.432, sqrt37, pi, 1))#?
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What is the sum of the arithmetic series 2 + 5 + 8 + ... + 56?
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A fan of country music plans to make a custom CD with 11 of her 28 favorite songs. How many different combinations of 11 songs are possible?
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What is the perimeter of a triangle with corners at #(3 ,9 )#, #(5 ,7 )#, and #(8 ,4 )#?
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How do you find #abs(2 - 6i)#?
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How do you find the determinant of #((2, -3, 5), (0, 1, -3), (0, 0, 2))#?
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How do you evaluate # log_10 200 - log_10 2#?
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How do you solve #5x-3y=-5# and #-3x+3y=9# using matrices?
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How do you solve #-3x + y = 1# and #6x - 3y = -4# using matrices?
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How do you determine if #f(x) = x^3 + x# is an even or odd function?
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What is the speed of an object that travels from #( 2,-5,6 ) # to #( 2, -4 ,1 ) # over #2 s#?
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How do you evaluate the function #F(x) = 2x^3-x^2-4x+9# for #x=3#?
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How do you find the determinant of #((1, 2, 3), (4, 5, 6), (7, 8, 9))#?
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If #A= <-2 ,-5 ,4 ># and #B= <3 ,4 ,-8 >#, what is #A*B -||A|| ||B||#?
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How do you find the slope and y intercept of #x = 5#?
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How do you find #abs( -18/7 + sqrt5/7 i )#?
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How do you find the derivative of #cos^2x#?
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When 4.22 moles of #Al# reacts with 5.0 moles of #HBr#, how many moles of #H_2# are formed?
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What is the moment of inertia of a rod with a mass of #6 kg# and length of #1 m# that is spinning around its center?
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What is the distance between #(5,2) # and # (3, 5)
#?
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What are the global and local extrema of #f(x) = x^2(2 - x) # ?
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How do you write #10^3 = 1000# in log form?
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What is the Sl unit for temperature?
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What is the domain and range of #y=2x-6#?
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How do you solve #4x-y=-3# and #5x-3y=-23# using matrices?
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What is the distance between #(–4, 3, 0)
# and #(2, –3, 1)
#?
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What are the components of the vector between the origin and the polar coordinate #(1, (7pi)/8)#?
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A balanced lever has two weights on it, one with mass #4 kg# and one with mass #8 kg#. If the first weight is # 9 m# from the fulcrum, how far is the second weight from the fulcrum?
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If #f(x)= sin(- x -1) # and #g(x) = 4x^2 -5 #, how do you differentiate #f(g(x)) # using the chain rule?
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How do you determine if #(2x)^2 + (x)^4 + 1# is an even or odd function?
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Question #26ed8
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How many protons does an atom of bromine #Br# have?
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How do you calculate the energy efficiency of a device?
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A charge of #9 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #15 J# to #9 J#, what is the voltage between points A and B?
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How do you determine if #f(x)= | x^3 |# is an even or odd function?
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What is the difference between reflection, refraction, and diffraction?
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Why does light refracting from water to air not follow Snell's law?
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How do scientists know how long it takes light to reach the earth from the sun?
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What is #5costheta-csctheta# in terms of #sintheta#?
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An object with a mass of #4 kg# is on a plane with an incline of #pi/12 #. If the object is being pushed up the plane with # 1 N # of force, what is the net force on the object?
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How do you solve using the completing the square method #x^2 - 30x = -125#?
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How much power is produced if a voltage of #3 V# is applied to a circuit with a resistance of #9 Omega#?
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How do you convert 2.707 to a fraction?
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How do you solve #8+9+x=34#?
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How do you factor the expression #5x^2 +29x - 6#?
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How do you find the explicit formula for the following sequence 38, 33, 28, 23,...?
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How do solve the following linear system?: #-9x + 5y = 16 , -7x + y = -19 #?
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What is the distance between #(–4, 3, 0)
# and #(–1, 4, –2)
#?
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How do you divide # (-4+2i)/(5+2i) # in trigonometric form?
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How do you convert # log _4 (1/4)# into exponential form?
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How do you find the inverse of #A=##((-7, 33), (4, -19))#?
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If #A = <1 ,6 ,9 >#, #B = <-9 ,-6 ,-8 ># and #C=A-B#, what is the angle between A and C?
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How do you find the number of ways to listen to 4 CDs from a selection of 8 CD?
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What is the distance between #(2,3,6)# and #(4,9.4)#?
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How strong is gale force wind?
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How do you find the derivative of #sqrt(x^2+2x-1)#?
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Is this an acid-base reaction: #CaCo3 + H_2CO_3#? Does it produce water+salt?
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How do twin and adoption studies help us differentiate between the influences of nature and nurture?
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How do you solve #log 8 - (1/3) log x = log 2#?
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What is the angular momentum of an object with a mass of #5 kg# that moves along a circular path of radius #4 m# at a frequency of # 1 Hz #?
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What is the polar form of #( -23,0 )#?
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If #A= <-1, 2 ># and #B= <-3, 8>#, what is #||A+B|| -||A|| -||B||#?
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How do you differentiate #f(x) =(x^2+1)(x-3)^3# using the product rule?
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What is the instantaneous rate of change of #f(x)=(x^2-2)e^(x+2 ) # at #x=1 #?
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A charge of #9 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #10 J# to #5 J#, what is the voltage between points A and B?
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How many grams does .501 moles of #CuBr_2# weigh?
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What are the components of the vector between the origin and the polar coordinate #(4, (17pi)/12)#?
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How do you find the definite integral of #int x^3-xdx# from #[0,2]#?
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How many moles are in .0688 g #AgCl#?
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What is the distance between #(3, 4, 1) # and #(0, 6, 0) #?
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Is #f(x)=(x+1)(x+2)(x-2)# increasing or decreasing at #x=0#?
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What is the equation of a circle with center (-3, -5) and radius 4?
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How do you solve for r in #p-r=r #?
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How do you simplify #(30-28)^3/(1^19) - (5 2/3)^0#?
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How do you solve #1.5:3 = x:12#?
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What is the angle between #<-1,-7,2 > # and #<-3,-5,1> #?
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In a certain city the temperature (in degrees Fahrenheit) t hours after 9am was approximated by the function. How to determine the temperature at 9 am ? and How to find the average temperature during the period from 9 am to 9 pm ?
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