Answers edited by Bio

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• How do you solve #sin(2theta)+sintheta=0# on the interval #0<=theta<2pi#?
  
• How do you simplify #cotB + (sinB / (1+cosB))#?
  
• How do you simplify #(cos^2x-4)/(cos^2x-2)#?
  
• What is the indirect object in the following sentence: Please give her a copy of the article by tomorrow morning?
  
• Is #f(x)=1/x-1/x^3+1/x^5# increasing or decreasing at #x=2#?
  
• What are the mean and standard deviation of a binomial probability distribution with #n=120 # and #p=3/4 #?
  
• What is the equation of the tangent line of # f(x)=sinpix # at # x=3 #?
  
• How to solve this inequality #|sin2x|>sqrt3/2 # ?
  
• Question #97f87
  
• An object with a mass of #6 "kg"# is on a ramp at an incline of #pi/8 #. If the object is being pushed up the ramp with a force of # 2 "N"#, what is the minimum coefficient of static friction needed for the object to remain stationary?
  
• Math formatting "Pro Tips" edition: Using the cancel() and color() functions together! -"?"
  
• Which would be more likely to collide: stars with stars or galaxies with galaxies?
  
• How do you determine the t-statistic of a variable in a regression model?
  
• What is the equation of the tangent line of #r=cos(theta-pi/2)/sintheta - sin(2theta-pi)# at #theta=(-3pi)/8#?
  
• How does the Keynesian multiplier relate to the marginal propensity to save?
  
• What are the function groups of aspirin?
  
• How far are other galaxies from earth?
  
• How do permanent dipoles arise?
  
• How do you find all the real and complex roots of #x^5 - 32 = 0#?
  
• What is the average speed of an object that is moving at #8 m/s# at #t=0# and accelerates at a rate of #a(t) =5-2t# on #t in [0,3]#?
  
• How do you verify #cotx-tanx=2cot2x#?
  
• What is the product of reaction of 3 hexanone with 1, 3 propanediol???
  
• What is a heterogenous mixture?
  
• What is the length of the hypotenuse of a right triangle if the two other sides are of lengths 8 and 3?
  
• How do you differentiate #f(x) = sqrt((5x+1)^2+(2x-1))# using the chain rule?
  
• Sulfur has an atomic number of 16. What is the electron configuration for an electronically neutral atom of sulfur?
  
• How do you integrate #int 1/sqrt(e^(2x)+12e^x+27)dx# using trigonometric substitution?
  
• How do you solve the system of equations by graphing and then classify the system as consistent or inconsistent #5x-5y=10# and #3x-6y=9#?
  
• A circle has a center at #(7 ,9 )# and passes through #(1 ,1 )#. What is the length of an arc covering #(3pi ) /4 # radians on the circle?
  
• What is the shape of the 3p atomic orbital?
  
• How do you simplify #cotB + (sinB / (1+cosB))#?
  
• What is the equation of the normal line of #f(x)= x^3-3x^2-2x+6# at #x = 4#?
  
• What is the inverse function of #f(x) =5x^3 + 4x^2 + 3x + 4#?
  
• What is #f(x) = int xe^(x-3)dx# if #f(0)=-2 #?
  
• What is #int x^4/(x^4-1)dx#?
  
• Carbon-14 is a radioactive isotope with a half-life of 5,730 years. How much carbon-14 would remain in a sample that is 11,460 years old?
  
• How do you use the formal definition of a limit to find #1/(x - 3) = 0# as x approaches infinity?
  
• What is the name of #C_3H_4#?
  
• A triangle has corners at #(4 , 5 )#, #(8 ,2 )#, and #(4 ,7 )#. What is the radius of the triangle's inscribed circle?
  
• How do you convert #r=1+2sin θ# into a rectangular equations?
  
• How do you factor #1000-x^3#?
  
• Question #b4196
  
• What is #f(x) = int xtanx dx# if #f(pi/4)=-2 #?
  
• Question #e1472
  
• For what #x# is #3/(x+3)>(4x)/(x-2)#?
  
• How many carbon atoms are in a butane molecule?
  
• How do you find the axis of symmetry, and the maximum or minimum value of the function #f(x)=x ^2 + 3x-10#?
  
• What is the equation of the normal line of #f(x)=sqrt(3x^2+2x)# at #x=2 #?
  
• What does the prefix n- mean in orgo nomenclature?
  
• If #A = <4 ,1 ,8 >#, #B = <6 ,7 ,3 ># and #C=A-B#, what is the angle between A and C?
  
• Question #2063d
  
• How do you integrate #int 1/sqrt(e^(2x)+12e^x-45)dx# using trigonometric substitution?
  
• What is #lim_(xrarroo) (e^xsin(1/x))/x #?
  
• What is the equation of the line normal to # f(x)=x^2/e^x-x/e^(x^2) # at # x=0#?
  
• Question #262c6
  
• What are the condensed formulas of the five isomers of C6H14?
  
• How do you find the asymptotes for #y= (x + 1 )/ (2x - 4)#?
  
• What do the elements on the far right of the table (He, Ne, Ar, and Kr) have in common?
  
• What is the derivative of #f(x)=(cos x)^(sin x)#?
  
• How do you find the linearization at a=3 of # f(x) = 2x³ + 4x² + 6#?
  
• After an approaching ambulance passes a stationary observer, what does the frequency of the sound of the siren heard by the observer appear to do?
  
• What is the average value of the function #f(x)=cos(8x)# on the interval #[0,pi/2]#?
  
• Adolescent females often require additional amounts of iron in their diet. Why?
  
• How do you find the length and direction of vector #-4 - 3i#?
  
• How do you find the derivative of #y=ln(sqrt(x))#?
  
• The area of a regular hexagon is 1500 square centimeters. What is its perimeter? Please show working.
  
• Question #56cc5
  
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