Answers created by MoominDave

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• The graph #y=(x^2+5x+7)/(x+2)# is shown below. Find the value of the product #abcd#?
  
• What is the slope of the line normal to the tangent line of #f(x) = secx+cos^2(2x-pi) # at # x= (11pi)/8 #?
  
• From the crests of #y = sin x, 1 = sin (pi/2) = sin ((5/2)pi) = sin ((9/2)pi) = ...# How do you evaluate #sin^(-1) sin (pi/2), sin^(-1) sin ((5/2)pi), sin^(-1) sin ((9/2)pi), ...?#
  
• What is integral of [x^2+1/{(x^2+4)^0.5}]?
  
• How do you factor #-x ^ { 2} + 10x + 7#?
  
• What are the chances that life exists on other planets?
  
• 2/x + x/18 What is x? It would also be appreciated if I could have the working out as I have a couple more like questions I wish to know how to solve myself.
  
• How do you factor #2n^4 - 9n^2 +4 = 0#?
  
• What is quantum gravity?
  
• How do you differentiate #f(x)=tan((e^x)^2)# using the chain rule?
  
• How do you solve #3^(x+4)=7^(2x-1)#?
  
• Differentiate (ax+b)raised to the power n by abinitio method?
  
• What effect does distance have on the strength of the force of gravity?
  
• Knowing that mass of Earth #m=5.98\times 10^24# kg and mean radius #R=6.37\times 10^6# meters, at which height or altitude gravity of Earth will drop by 5 times, or drop to zero ?
  
• On ground the gravitational force on satalite is W what is the gravitational force when the satellite is at the height of R/50 (R is radius of Earth)?
  
• Find the solution to the system of equations Log (2000xy) minus log(x).log y=4 Log(2yz)minus log y.logz=1 Log(zx) minus log(z).logx=0 Base of log is 10 everywhere?
  
• How do you divide #(- 7x ^ { 3} + 58x ^ { 2} - 65x - 22) \div ( x - 7)#?
  
• How do you simplify #sqrt(3-2*sqrt(2))#?
  
• How do magnetism and electricity work together?
  
• What is the antiderivative of #1/x^3#?
  
• What is the Cartesian form of #4-r = sin(theta) - 2 cos^2(theta) #?
  
• What is the square root of 169/192?
  
• How to solve? ln(x)=2/x-2
  
• How do you solve #2x-6/4=-7#?
  
• Log2[log3[log2x]]=1 then x=???
  
• An angle exceeds the measure of its supplement by 40degree .what is the measure of the supplement?
  
• How do you find the derivative of the function #y = sin(cos(sinx))#?
  
• How do you factor # a^2+a-12#?
  
• Given a fair 12-sided dice: If the dice is rolled ten times, what is the probability of rolling exactly two 6s?
  
• How do you verify #-(1/2)sec²(x) = -2sin²(x)csc²(2x)#?
  
• What is the range of the function #f(x) = x/(1+|x|)#?
  
• What is the volume of a sphere with a radius of 4.5 inches?
  
• Investigate the given functions for monotony and extrema #y=2x^2+3x+1#?
  
• Find a, b, c,d,e & f.?
  
• How to integrate #int(sqrt(1-cosx)/2) dx# by using u-substitution?
  
• How do you simplify #(1/2k^8v^3)^2(60kv^4)#?
  
• How do you simplify #2sqrt8 - 5sqrt32 - 2sqrt48#?
  
• How do you find the inflection points of #f(x)= 12x^5+45x^4-80x^3+6#?
  
• What is the derivative of # (1/sinx)^2#?
  
• A farmer is building a new cylindrical silo with a flat roof and an earthen floor that will hold #20000 m^3# of corn. What dimensions of the silo will minimize the materials required for construction?
  
• How do you write the given equation #3x^2+4y^2-6x=9# into polar form?
  
• Solve the inequality 1/x<or=[x-2] for real numbers?
  
• I like these beautiful flowers. What is the noun in the sentence?
  
• What is the radius of a sphere that has a volume of 36pi mm^3?
  
• Can the quadratic formula be used with functions of the form #f(x)=ae^(bx)+ce^((b/2)x)+d#? Why or why not?
  
• When do you use the brackets [ x, y ] and when do you use the parenthesis ( x, y) when writing the domain and range of a function in interval notation?
  
• How do you simplify #sqrt(120/121)#?
  
• In the same coordinate plane, graph y= lxl + k for k= -2, 0, 2. What effect does k have on the graph of y= lxl +k ? what is the vertex of the graph y= lxl +k?
  
• Two numbers have a sum of 22 and their product is 103. What are the numbers in simplest radical form?
  
• What's the square root of 8100?
  
• What is the derivative of #y=sin(tan2x)#?
  
• How do you solve #|5x | = | 3x - 8|#?
  
• What is the arc length of #f(x)=2/x^4-1/(x^3+7)^6# on #x in [3,oo]#?
  
• The area of a semi circle is 130cm. Find it's total perimeter?
  
• How do you solve #-10x - 2y = 56# and #6x - 2y = -40 #?
  
• How do you solve #(x - 13) ^ { 2} = 45#?
  
• Use the instantaneous rate of change of #f(x) = e^(5x)# to find the equation of the tangent line to f(x) at x = 0?
  
• How do you solve #sqrt(x+2)-x=0#?
  
• What are the local extrema an saddle points of #f(x,y) = x^2 + xy + y^2 + 3x -3y + 4#?
  
• How do you solve the system of equations #7x + 5y = 30# and #x + y = 4#?
  
• What is proper motion of stars caused by?
  
• Suppose a person weighs 100 pounds. If he travels to a planet with 5 times the mass of Earth and 10 times the radius of Earth, what will his new weight be?
  
• I need to know second order derivative #(d^2y)/dx^2# for #6xy^6-2y^(1/2)=52y^2# using implicit differentiation at point #(9,1)#?
  
• If x = y - 1/y and y > 0, simplify, in terms of y: x + square root(x^2 + 4) ?
  
• How do you simplify #cos(2 tan ^-1 x)#?
  
• What is integral x tan e^x dx ??
  
• Why can two mechanical waves occupy the same space at the same time?
  
• How do you simplify #f(theta)=tan4theta+sin2theta+3cos8theta# to trigonometric functions of a unit #theta#?
  
• What are the cylindrical coordinates of the point whose spherical coordinates are (4, 2, 1π/6) ?
  
• How do you integrate #int 1/sqrt(4x^2+16x+8) # using trigonometric substitution?
  
• How to find the point of intersection for all values of m,c and a?
  
• How do you find the roots, real and imaginary, of #y=-(2x-1)^2 + 3x^2 - 2 # using the quadratic formula?
  
• 6x^2-10x-16=0?
  
• How do you integrate #int (2-x^2)/sqrt(x^2-4)dx# using trigonometric substitution?
  
• How do you factor #8a^3+27#?
  
• Let #a,b,c# be positive real numbers such that #a+b+c=1#.Prove the following inequality: #(a+1/a)^2+(b+1/b)^2+(c+1/c)^2>=100/3#?
  
• X^2+8x+1<0 Inequality questions What will be the answer ? Plz tell
  
• How do you differentiate #y = (ln(x^2))^(2x+3)#?
  
• How do you factor #x^3-12x^2+41x-42#?
  
• How do you factor #f(x) = x^4 + 4x^3 - 3x^2 +40x + 208#?
  
• If the equation x squared minus bx + q = 0 and x squared minus x + b = 0 have a common road and the second equation has equal roots then?
  
• How do you solve #(x + 4) ^ { 3} - 8= x ( x + 5) ( x + 7) - 5#?
  
• How to solve the values of t?
  
• What is the domain and range of #f(x) = (x+3)/(x^2+4)#?
  
• How do you solve x – y = 3 and 2x + 2y = 2?
  
• How to I solve homogeneous equation of #y dy/dx +x=2y# ?
  
• Is #f(x)=e^x/sqrt(x^2-x)# increasing or decreasing at #x=3#?
  
• How can you evaluate #(2)/(2x+1) + (4)/(x-2) #?
  
• A pyramid has a parallelogram shaped base and a peak directly above its center. Its base's sides have lengths of #3 # and #7 # and the pyramid's height is #8 #. If one of the base's corners has an angle of #(3pi)/8#, what is the pyramid's surface area?
  
• The polynomial #8x^3-36x^2+22x+21=0# has roots which form an arithmetic progression. How do you find the roots?
  
• Please solve q 16?
  
• 1) What is the arc length of C? 2) The surface of revolution on the x axis?
  
• Why do you factor quadratic equations?
  
• Lim x^alfa* (cosx/x)^2, at infinity. Alfa can take any value we want . Who can demonstrate that this integral is convergent?
  
• What is #f(x) = int xsinx^2 + tan^2x -cos^2x dx# if #f(0)=-3 #?
  
• Given functions f(x)=|x-4| and g(x)=2^x, how do I find f(g(x)?
  
• What are the points of inflection of #f(x)=1/(5x^2+3) #?
  
• For #12i^12 + pi(i)# was if the imaginary and what is the real part?
  
• How find ∫ x 5/(5x+3) ?
  
• What is 1/5 ×4 2/3 =?
  
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