Answers created by Zor Shekhtman

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• How do you graph #r=theta#?
  
• Jan's initial investment is $6000. She is going to deposit $500/mo ($6K/yr) for the next 45 years and get 7% compound interest annually. How is the answer $1,778,831? Can you please provide the formula and how this answer comes to this amount?
  
• Question #7a7a9
  
• How do you evaluate tan(3π/4)?
  
• How do you find the period of a csc graph?
  
• Question #99905
  
• How do you evaluate #cos^-1(cos((pi)/10))#?
  
• How do you evaluate # arc cos (1)#?
  
• What is a real-life example of a complementary angle?
  
• Question #5ab10
  
• How do you simplify #sin(arcsinx + arccosx)#?
  
• What is the domain and range of #y = arcsin x#?
  
• What is the domain and range of # f(x)=sqrt[Cos[x]] #?
  
• How do you graph # y = cos pi x#?
  
• Question #ed969
  
• How do you graph #y=-cosx#?
  
• How do you simplify #sin(x-y)/cos(x+y)+tan(x-y)# to trigonometric functions of x and y?
  
• Question #cdaba
  
• This is a trigonometric proof of a generalized case,question is in the details box?
  
• What is the value of #cos( -pi)#?
  
• Question #b5ab2
  
• Question #1f60a
  
• Question #6cb9f
  
• What is an example of a real world situation that implies the perpendicular bisector theorem?
  
• Question #d1c99
  
• How do you find the solutions to #sin^-1x=tan^-1x#?
  
• Question #f7b8b
  
• What is the relationship between one interior angle and its exterior angle?
  
• Which triangles in the figure above are congruent and/or similar? Find the value of x, angle #/_ACE# and the area #hat(AEC)#, and #BFDC#.
  
• Question #f919f
  
• Let M and N be matrices , #M = [(a, b),(c,d)] and N =[(e, f),(g, h)],# and #v# a vector #v = [(x), (y)].# Show that #M(Nv) = (MN)v#?
  
• How many lines of symmetry are found on a regular heptagon?
  
• Question #567c3
  
• Prove that If two parallel lines are cut by a transversal then, any two angles are either congruent or supplementary?
  
• If tanx= -1/3, cos>0, then how do you find sin2x?
  
• How do you graph the inequality #y<= x - 5# and #y>=-x - 4#?
  
• How do you graph #y = 4(2)^x-3 #?
  
• How do you write #m^2.4# in radical form?
  
• What is the minimum number of points required to make a plane?
  
• Two intersecting lines will form how many pairs of congruent angles?
  
• What is a quadrilateral that isn't a parallelogram, rhombus, rectangle, square, trapezoid, or kite?
  
• How many different geometric models can be defined as a pyramid?
  
• Question #ec325
  
• What types of angles are always congruent?
  
• Question #f5910
  
• What is the domain and range of # y = 2sqrt(x - 3) - 3#?
  
• How do you solve and write the following in interval notation: #1/|x+5| >2#?
  
• How do you find the domain and range of #y=absx +2#?
  
• How do you graph #r=4costheta-2#?
  
• The population of rabbits in East Fremont is 250 in September of 2004, and growing at a rate of 3.5% each month. If the rate of population growth remains constant, determine the month and year in which the rabbit population will double?
  
• Question #afea6
  
• Question #6de4a
  
• Let M be a matrix and u and v vectors: #M =[(a, b),(c, d)], v = [(x), (y)], u =[(w), (z)].# (a) Propose a definition for #u + v#. (b) Show that your definition obeys #Mv + Mu = M(u + v)#?
  
• How do you find the domain and range of #f(x)=2-2^x#?
  
• 19% of what is 117.5?
  
• What is the sum of the exterior angles of any convex polygon?
  
• Question #ab4ec
  
• What is the axis of symmetry and vertex for the graph #y=x^2-4x+5#?
  
• Question #eda10
  
• Given the right trapezoid calculate angle #theta# and the area of triangle #hat(EAD)#, provided #EA=4, AB=BC=CD=DA=2, AB_|_EC#?
  
• How do you multiply #(3x + 4)(2x + 3)#?
  
• What is the graph of the function #f(x) = (x^2 + 4x-12)/(x+6)#?
  
• Cameron is making bead necklaces. He has 90 green beads and 108 blue beads. What is the greatest number of identical necklaces he can make if he wants to use all of the beads?
  
• A line segment goes from #(1 ,2 )# to #(4 ,7 )#. The line segment is reflected across #x=6#, reflected across #y=-1#, and then dilated about #(1 ,1 )# by a factor of #2#. How far are the new endpoints from the origin?
  
• An electric toy car with a mass of #6 kg# is powered by a motor with a voltage of #7 V# and a current supply of #6 A#. How long will it take for the toy car to accelerate from rest to #4 m/s#?
  
• Question #bb3d8
  
• What is a six-sided polygon called?
  
• Using the following figure, identify relationship of the angles or sum of the angles?
  
• Question #ed0b6
  
• What is the sum of the interior angles of a triangle?
  
• Question #12397
  
• How do you calculate the base of an isosceles triangle?
  
• When a rectangle is constructed in order to add velocities, what represents the resultant of the velocities?
  
• What is the intersection of the two sides of an angle called?
  
• You and five friends are posing for a photograph.In how many ways can you pose in a line for a photograph?
  
• A track and field playing area is in the shape of a rectangle with semicircles at each end. The inside perimeter of the track is to be 1500 meters. What should the dimensions of the rectangle be so that the area of the rectangle is a maximum?
  
• Question #8d811
  
• How do you graph and solve #|4x+8|>=20#?
  
• Question #94b63
  
• How do you multiply #(4z+3)(z-2)#?
  
• An object with a mass of #4 kg# is acted on by two forces. The first is #F_1= < -2 N , -6 N># and the second is #F_2 = < 5 N, 2 N>#. What is the object's rate and direction of acceleration?
  
• Question #dec54
  
• Is there any process to determine that a number given is prime number or not?
  
• How do you solve #sqrt(2x - 8) = 4 -x#?
  
• How do you simplify #sqrt3 (4 + sqrt12)#?
  
• Question #bf75f
  
• How do you find the absolute value of -6?
  
• How do you solve #(x-5)^2(x-1)(x+3)<=0#?
  
• What is the square root of 150 in simplified radical form?
  
• Question #4cce4
  
• How do you solve #1/4|2x+5|+1=7#?
  
• Question #ff7fe
  
• Question #f7631
  
• How do you solve # abs(1 - 3b)= - 7#?
  
• How do you find the positive acute angle?
  
• Question #30daf
  
• What is the basic unit by which angles are measured?
  
• How do you write the partial fraction decomposition of the rational expression #( x-5)/(x-2)^2#?
  
• How do you solve #Sin 3 theta = sin theta #?
  
• How do you divide #( 4i+1) / (6i +5 )# in trigonometric form?
  
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