Answers edited by iceman

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• Find the number of children of the parents from the following?
  
• What is the domain and range for #h(x)=-sqrt(x+3)#?
  
• How do I find the inverse of #y=(x+3)^2#?
  
• Given: circle O with diameter CD C(-5,4) D(3,-2) create a equation if the circle?
  
• How do I factorise x(x + y)^2 - xy(x + y) and (x + y)^2 - 10(x + y)+25?
  
• If i have 30 coins consisting of 5 penny and 20 coins. If the total value is £4.05,how many 5 penny coind do i have?
  
• What is the square root of 15 times square root 15?
  
• What is the domain and range of #y = 8x + 8#?
  
• Question #a2dcd
  
• Convert 40km/min velocity into ms-1?
  
• Question #25f72
  
• How do you solve #lnx + ln(x^2 + 1) = 8#?
  
• What is the leading term, leading coefficient, and degree of this polynomial # F(X)= 5/6x+3x^2-4.3x^3-7x^4#?
  
• For 3 hours of work, a consultant charges $300. For 5 hours of work, she charges $400. How do you write an equation to represent this?
  
• How do you simplify #5(root3(6) + root3(6))#?
  
• (5,2),(3,-5),(-5,-1) find the area of triangle ?
  
• How do you know how to solve sec 45?
  
• What is (2*sqrt(7)+ 3*sqrt(2))* (sqrt(7)- 5*sqrt(2))?
  
• Question #d3517
  
• How do you solve #1/x-1/(2x)=2x# ?
  
• Question #54b57
  
• How do I substitut 3x+y=2, 4×+y=20?
  
• Question #672e7
  
• List all restricted values sqrt 1 - 3x?
  
• Y= sin (2x^2 - 3e^x) Find dy/dx?
  
• Which two consecutive integers are such that the smaller added to the square of the larger is #21#?
  
• Find (f/g)(4) and (f+g)(4)?
  
• How do you write #3lna - 6lnb# as a single logarithm?
  
• The distance a marathon runner covers can be modeled by the function d(x)=153.8x+86. d represents distance (m) and x represents time (min). ow long will it take the runner to run the 42,2km race?
  
• What is 1/4 divided by 3/5?
  
• In Δ𝐴𝐵𝐶, 𝐴𝐵̅̅̅̅ 𝑖𝑠 𝑐𝑜𝑛𝑔𝑟𝑢𝑒𝑛𝑡 𝑡𝑜 𝐵𝐶̅̅̅̅. 𝑇ℎ𝑒 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟 𝑜𝑓 Δ𝐴𝐵𝐶 𝑖𝑠 47 𝑐𝑒𝑛𝑡𝑖𝑚𝑒𝑛𝑡𝑒𝑟𝑠. How many centimeters long is 𝐴𝐶̅̅̅̅?
  
• One base angle of an isosceles triangle measures 50°. What is the number of degrees in the vertex angle?
  
• How do you find the inverse of #f(x)=(2-3x)/4#?
  
• The real numbers #a, b# and #c# satisfy the equation: #3a^2 + 4b^2 + 18c^2 - 4ab - 12ac = 0#. By forming perfect squares, how do you prove that #a=2b=c#?
  
• How do you solve #-x^2-4x>3#?
  
• How do you write #5y=10x-25# in standard form and what is A, B, C?
  
• Question #9c4bd
  
• What is the vertex of #y = 3(x - 2)^2 + 5#?
  
• Three tennis balls are packaged in a box as shown below. The box is 12.1 centimeters long, 3.5 centimeters wide, and 3.5 centimeters tall. Each ball is 3.3 centimeters in diameter. What is the volume of the empty space in the box?
  
• Question #a9b16
  
• How do you find the minimum and maximum value of #y=3(x-3)^2-3#?
  
• How do you use synthetic substitution to find f(3) and f(-2) for #f(x)=x^2-5#?
  
• How do you solve 4x + 5y - 2z = 23, -6x + 2y + 7z = -14, and 8x + 3y + 3z = 11?
  
• How do you find the inverse of # f(x)=3x^2+5x-2#?
  
• What is the leading coefficient, degree, and end behavior #P(x)=-4x^2-3x^3+2x^2+4#?