Answers created by Karthik N

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• If tanx= -1/3, cos>0, then how do you find tan2x?
  
• Solve #lnx = 1-ln(x+2)# for #x#?
  
• How do you solve #x^ { 2} - 6x = 7#?
  
• How do you know if # x^2 + 8x + 16# is a perfect square trinomial and how do you factor it?
  
• How do you write 15/4 as a mixed fraction?
  
• What is the Derivative of 4x?
  
• How do I solve this question?
  
• How do you solve #\sqrt{x}=x-6#?
  
• How does conduction, convection and radiation work to transfer heat from an electric radiator in your bathroom?
  
• How do you graph # 3y=9#?
  
• What are two numbers such that the greater number is 75% more than the lesser number?
  
• How do we find an area of a circle ?!
  
• If an item is originally priced at $212, and is discounted by 39%, what is the new price?
  
• Are there patterns in the properties of elements?
  
• Please help..., Iced tea mixture is in drink one as 9 tbsp mix to 4 cups of water and in drink 2 as 7 tbsp mix to 5 cups of water If I want a strong glass of iced tea do I use mix 1 or 2? Please help me explain.
  
• If y = 2x - 3, then which of the following ordered pairs (1, -1), (-3, 0), (5, 4) lies on the graph?
  
• How do you simplify #2div( 5 - sqrt3)#?
  
• How do you find the area of a rhombus with diagonal lengths of 12 cm and 8 cm?
  
• 3, 12, 48 are the first three terms of the geometric sequence. What is the number of factors of 4 that is in the 15th term?
  
• How do you solve #3( 2w + 8) = 60#?
  
• The function #f: f(x)=x^3+6x+2# is increasing when #x# belong to .......?
  
• What is the area of the rectangle with sides #6x^8# and #5x^2#?
  
• The US Senate has 100 members. After a certain election, there were 4 more Democrats than Republicans with no other parties represented. How many members of each party were there in the Senate?
  
• The area of a parallelogram is 24 centimeters and the base of the parallelogram is 6 centimeters. What is the height of the parallelogram?
  
• What does a logarithmic function look like?
  
• What is the equation of the line that has a y intercept of 6 and slope of -2?
  
• Batches of serum are processed by three different departments having rejection rates of 0.10, 0.08, and 0.12 respectively. What is the probability that a batch of serum survives the first departmental inspection but is rejected by the second department?
  
• How can I connect a pair of the resistors so that their equivalent resistance is greater than the resistance of either one?
  
• How can you Differentiate (√x^3+ csc) ..?
  
• Math problem?
  
• How do you find the roots, real and imaginary, of #y=(x/5-5)(-x/2-2)# using the quadratic formula?
  
• Solve the inequality x2 + 9x – 10 < 0 ?
  
• How do you solve #y=x-4# and #y=2x# using substitution?
  
• How do you calculate #log_2 512#?
  
• X^2+20x-69?
  
• How do you solve #1-2e^(2x)=-19#?
  
• Convert to a rectangular equation? #r + rsintheta = 1#
  
• There are 14 standbys who hope to get on your flight to Hawaii, but only 6 seats are available on the Plane. How many different ways can the 6 people be selected?
  
• Four hundred meter of fencing are required to enclose a square field .what area can be enclosed by the same length of fencing if the enclosure is circular?
  
• How do you plot a point (4, -3) on the line with slope m=0?
  
• How many atoms of lithium are contained in 6.22 moles of lithium?
  
• How do you find the radius of a circle with the equation #x^2 - 8x + y^2 - 4y – 5 = 0#?
  
• Angles #(2(x+15))# and #(3x+20)# are a pair of interior angles. What are their values?
  
• An object travels North at # 6 m/s# for #6 s# and then travels South at # 3 m/s# for # 7 s#. What are the object's average speed and velocity?
  
• Sally is spinning a spinner with the numbers 1-8 with equal size sections. If she spins the spinner 1 time, what is the probability that she will land on a prime number? Also, find the complement of this event.
  
• How do you factor #2a^2-32#?
  
• How do you simplify #9sqrt4 - 6sqrt24 + sqrt36#?
  
• How do you write an equation of a line given point (3,7) and slope 2/7?
  
• Which is the least likely outcome of the habitat changes that are described?
  
• What is -4 square root of 90 + 2 square root of 160?
  
• Find the value of *a* for which there is no term independent of *x* in the expansion of #(1 + ax^2)(2/x - 3x)^6#?
  
• What is the sum of the first ten terms of a_1 = -43, d=12 ?
  
• Help please?