Answers edited by Hriman

• Back to user's profile
• Next
• In which medium would sound travel the fastest?
  
• How do you solve the following system: #6x + y = 2, 2x + 3y = 34#?
  
• Y=-2 how is graph for it?
  
• Find the length of the missing side?. The triangle is not drawn to scale.
  
• How do you solve #-8n + 8( 8n + 7) = - 224#?
  
• How do I simplify this expression? sin^2x-cos^2x/sinx-cosx
  
• What is the change in Gibbs' free energy for #"C"(s) + "O"_2(g) -> "CO"_2(g) + "393.51 kJ/mol"#?
  
• What is the degree and lead coefficient of #f( x ) = - x + 5x ^ { 2} - 6x ^ { 3} + 10#?
  
• How do you prove # (cosx - sinx)/(cos^3x - sin^3x) = 1/(tanxcos^2x + 1)#?
  
• A triangle has sides A, B, and C. Sides A and B have lengths of 7 and 5, respectively. The angle between A and C is #(5pi)/24# and the angle between B and C is # (pi)/24#. What is the area of the triangle?
  
• How do you find the degree of #7x^5y^3z#?
  
• Write The Equation Of a Line That Contains The Points (2,5) And (-2,-1) ?
  
• How can this be verified?
  
• Calculate the standard enthalpy change in a reaction? PbO(s) + CO(g) = Pb(s)+ CO2(g). .
  
• Help with History? Please?
  
• What are the consequences of melting? THANKS
  
• What are examples of personification using the words rock, house, and snowstorm?
  
• How do you find the maximum area of a rectangle with a perimeter of 144 inches?
  
• How do you prove #cscx = sec(pi/2 - x)#?
  
• Suppose one answers a given question, but afterwards if that question is deleted, then all the given answers to that particular questions get deleted too,don't they?
  
• How do you factor the trinomial #-5x^3+15x^2+20x#?
  
• How do you simplify the identify #sin^2x/(1-cosx) = 1+cosx#?
  
• Prove the cofunction identity using the addition and subtraction formula? sec(pi/2-u)=csc u
  
• What does an enzyme do in a chemical reaction?
  
• What is the chemical formula for the compound formed between chromium(VI) and iodine?
  
• In a right triangle, one with angle measures of 30-60-90. The hypotenuse is y, the shortest side is x, and the last side is 21, what are the lengths of x and y?
  
• If it takes an electric toy train 5 seconds to pull a coal car 1.5 m, and it exerts a constant force of 4 N during this time, what is its power?
  
• 1/sin^2 - 1/tan^2?
  
• Convert the equation y =#-(sqrt(3)/(3))x# to polar form?
  
• In an isosceles right triangle, the hypotenuse is 15 units, what is the measurement of one leg?
  
• State the number of possible triangles that can be formed using the given measurements? C= 52°, b= 31km, c= 30km
  
• How do i solve this? (trig/geometry)
  
• Write in terms of sine only?
  
• Im having trouble understanding how to even start. Please someone help me out? Thank you
  
• Solve for x,y?
  
• Can someone please help me? Solve for x 0 = 3x^2 + 3
  
• Convert the equation 6x+5y+6=0 to polar form?
  
• What is the symbol equation for the reaction of lithium oxide and sulfuric acid?(balanced and with state symbols)
  
• Calculate the man’s mass. (Use PE = m × g × h, where g = 9.8 N/kg.) A man climbs a wall that has a height of 8.4 meters and gains a potential energy of 4,620 joules. What is his mass in Kilograms?
  
• What is the circumference of a circle with a diameter of 17 m?
  
• What is the frequency and wavelength of a photon emitted during a transition from n = 6 to n = 1 state in the hydrogen atom ?
  
• How can this be solved?
  
• A triangle has sides A, B, and C. Sides A and B have lengths of 2 and 5, respectively. The angle between A and C is #(11pi)/24# and the angle between B and C is # (7pi)/24#. What is the area of the triangle?
  
• What does ratio 2.09:1 mean?
  
• Show that cot3x= (t^3-3t)/(3t^2-1) where t=cotx?
  
• Solve for #x# in #sin2xsinx-cos2xcosx=-cosx#?
  
• A completed reaction yields 38 moles of Ag from the equation below. How much Cu did the equation start with?
  
• The measures of the angles of a triangle are in the ratio 5:6:7. What is the measure, in degrees, of the smallest angle of the triangle?
  
• How do I show this equation is not an identity in paragraph form? sin α=square root 1-cos²α
  
• How do you simplify #(1- tan^2θ) /( 1+ tan^2 θ)#?
  
• Simplify cos^2 44degrees - sin^2 44 degrees by using double-angle formula?
  
• Prove #-cot theta = tan (theta + pi/2)#?
  
• How to reach this result " #5pi/6# with : 2arcsin(1)-1arcsin(1/2)= What are the steps?
  
• The diagonal of square measures 10 units. Find the perimeter of the square?
  
• Hello, Can someone please help me solve this problem? An experiment shows that a 114 mL gas sample has a mass of 0.161 g at a pressure of 713 mmHg and a temperature of 26 ∘C. *WHAT IS THE MOLAR MASS OF THE GAS?*
  
• How do you identify Lewis acids and bases?
  
• How do you factor completely: #4x^2 + 16x#?
  
• How do I do this limiting reactants problem about magnesium oxide?
  
• Is it possible to factor #y= x^2 + 5x + 6 #? If so, what are the factors?
  
• Next