Answers created by Abhinav T.

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• What is #62\frac { 1} { 2} \%# of $2400?
  
• How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 10°C to 29°C?
  
• How do you simplify # sqrt ((75xy^7)/(12xy))#?
  
• How do you differentiate #f(x)=(2x+3)^4 / x# using the chain rule?
  
• 31.5 grams of an unknown substance is heated to 102.4 C and then placed into a calorimeter containing 103.5 grams of water at 24.5 C. If the final temperature reached in the calorimeter is 32.5 C, what is the specific heat of the unknown substance?
  
• How do you find the slope of #y=-9/4x-2#?
  
• Given sin x = 5 / 7, how do you find sin 2x, cos 2x, and tan 2x?
  
• How do you verify #(tan^3(x) - 1) / (tan(x) - 1) = sec^2(x) + tan(x)#?
  
• What is infrared radiation?
  
• An object travels North at #4 m/s# for #9 s# and then travels South at #8 m/s# for # 2 s#. What are the object's average speed and velocity?
  
• How do you factor completely #3x^3y - 48xy^3#?
  
• What is the distance between #(1, 6) # and #(2,5) #?
  
• How do you write the equation in slope intercept form given #10x - 5y = -20#?
  
• How much work would it take to push a # 6 kg # weight up a # 12 m # plane that is at an incline of # pi / 4 #?
  
• What is the value of #-8+9 *2 -: -3#?
  
• How do you find the sum of #E= ([3 ,4, 7])# and the additive inverse of #G= ([-2, 0 ,5])#?
  
• What is 2000 miles increased by by 33%?
  
• What is the domain and range of #(x^4 + x^2) /(1+x^2)#?
  
• What is #-5/9+ 1 1/3#?
  
• How much heat do you need to raise the temperature of 150 g of ice from -30°C to -15°C?
  
• How do you solve #log(5x + 3) = 0#?
  
• How do you write the following as an algebraic expression using x as the variable: Seventy three times a number subtracted from nine hundred fifty minus ten?
  
• What is x if #2/x-3x=-4#?
  
• A rock is exposed to large amounts of heat and pressure but does not melt and changes into a new type of rock. What is the new type of rock?
  
• What is the square root of 15 times the square root of 21?
  
• How do you find #arcsin(-sqrt3/2)# without a calculator?
  
• How do you simplify (Square Root 26) times (square root 2) + 4 (Square Root 13)?
  
• How do you express the phrase "6.7 more than the product of 5 and n" as an algebraic expression?
  
• How do you find the area of a circle if the radius is 7m?
  
• Question #f93f4
  
• A man invested some amount at 6% interest rate and some amount at 9% interest rate. If he put Php12,000 more in the second investment than in the first investment and his annual income from both investments is Php4,830 how much did he invest at each rate?
  
• How do you solve the inequality #(x-1)^2 > 4 #?
  
• How do you simplify #-3h - 10( -19h - 8)#?
  
• How do you multiply #4sqrt(10^2)#?
  
• What is the derivative of #1/x#?
  
• How do you find the range of s(z) = 5 - 4z given D={-2,0,2}?
  
• Question #e4c37
  
• Question #9d0bf
  
• Question #04d38
  
• What energy conversion takes place as an arrow is shot from a bow?
  
• Question #0a82b