Answers created by DanT

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• If circle is 12 mm across how much is the circumference ?
  
• How do you multiply #6y ^ { 0} \cdot 7x ^ { 4}#?
  
• The period of a satellite moving very close to the surface of the earth of radius R is 84 minute. what will be the period of the same satellite, If it is taken at a distance of 3R from the surface of the earth?
  
• How do we find the volume of a triangular pyramid ?
  
• A particle moves along the x-axis so that at time t its position is given by s(t) = (t + 3)(t −1)^3, t > 0. For what values of t is the velocity of the particle decreasing?
  
• Can someone solve this...xyy'=1-x^2?....thanks :)
  
• The dimension of a rectangular field is 100 metre by 60m. draw the diagram of the field using a scale of 1cm:12m?
  
• What is #(5!3!)/(6!)#?
  
• Help please?
  
• Does a rhombus always have 2 obtuse angles?
  
• How do you find the quotient of 4 divided by 3/8?
  
• How do you find the additive and multiplicative inverse of -8/3?
  
• How do you solve the system of equations #2x + y = 30# and #4x + 2y = 60#?
  
• While walking barefoot in the woods, Joe stepped on a thorn that penetrated through the sole of his foot to the dermis. How many layers of epidermis did the thorn penetrate? A. 1 B. 2 C. 3 D. 4 E 5?
  
• How do you differentiate #f(x)=(x^3-3x)(2x^2+3x+5)# using the product rule?
  
• A city's population is 5 million this year the population grows by 4% each year what will the population be after two years?
  
• What 2 integers does the square root of 3 lie between?
  
• The number of toy kangaroos, K, in a toy box after 't' days is given by #K=t^2+20t#. Estimate the rate at which the number of kangaroos is changing after 3 days?
  
• How do you solve the following system: #2x – 4y = 8, 2x-3y=-13#?
  
• How would you graph y=x+4 using slope and y-intercept?
  
• How do you write the expression represents the phrase "4 times the sum of 9 and 6?
  
• How do you solve #w- - 3= 18#?
  
• How do you solve the equation # 5 + c/9 = -31#?
  
• 2x+y=3+y=x-3?
  
• How do you differentiate # y= cos(pi/2x^2-pix) # using the chain rule?
  
• Scientists estimate there are a million species that exist today, (yet/however) over 99% that ever existed are extinct. which is correct?
  
• How do you write an equation of a line given (8,5) (-4,7)?
  
• Is or was?
  
• How do you solve #abs(-3r)=9#?
  
• Please help right triangles?
  
• How do you simplify # (8 - b)(-3) + 6b + 12 - 10b#?