Answers edited by Evan

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• The length of a rectangle is 4 times its width x. If the rectangle is inscribed in a circle, how do you determine the area of the circle as a function of x?
  
• What is the slope and y-intercept of this line y = x – 3?
  
• How do you multiply #(4a ^ { 3} ) ( 2a ^ { 2} )#?
  
• A belt is fitted tightly around two wheels of radii #20 cm# & #5 cm# which are #5 cm# apart. How do you show that the length of the belt is #30(pi + sqrt3) cm#?
  
• #cot765^@ = #? #sec765^@ = #? #csc765^@ = #?
  
• Kate has a balance of $ 1,080 on her credit card. If she makes no purchases and pays $ 90 each month, will her credit card balance be payed off in a year? Explain.
  
• The variables x and y vary inversely. How do you write an equation that relates x and y given x = 15, y = 5?
  
• A Pacific salmon can swim at a maximum speed of 8 mi/h. The function #y =8x # describes how many miles #y# the fish swims in #x# hours. What is the number of miles the fish swims in 3.5 hours?
  
• Find the maxima and minima of function:- #y=2x^3-9x^2-24x+15#?
  
• Using a straight edge and compass construct The perpendicular bisector of FG ?
  
• How come on my "thank you notes" that some people sent it from e.g 'someone from San Francisco, America" and then some people have their names attached to it? I hope my question makes sense
  
• A car that cost $6100 was sold 2 years later at a 3% loss. How much did it sell for?
  
• Solve for #x# in #|2x-4| >= -5#? Why doesn't the usual method work in this case?
  
• How do you simplify # (4 times 10^8)^-2#?
  
• How do you convert repeating decimals into fractions?
  
• Who were the kulaks?
  
• Solve for #x# and #y#, given that #x+8y=160# and #3x+5y=119#?
  
• Rationalize #(sqrt(6) + sqrt(5))/(sqrt(5) - sqrt(3))#?
  
• Is the sequence - 1,6,-36,216 geometric?
  
• From the word 'propriety', how do you find all the possible words / different arrangements of all the letters? (answer is 90720)
  
• What are the points of inflection of #f(x)=(3x^2 + 8x + 5)/(4-x) #?
  
• What are the stationary points of #y=x^3/(1-x^2)#?
  
• What is separating a solid from a liquid by evaporating the liquid called?
  
• I need help to Show an equation that relates the House Price, P to the square footage, #ft^2#, and then use this equation to predict the price of a #20,200 ft^2# house?
  
• How do you combine #\frac { 1} { x - 3} + \frac { 1} { ( x - 3) ^ { 2} } - \frac { 1} { ( x - 3) ^ { 3} }# into one term?
  
• Simplify #(n!)/((n+1)!)-((n-1)!)/(n!)#?
  
• Dave has 3 times as many sweets as Will. Debbie has 3 sweets less than Dave. Together, they have 53 sweets. What is the simplest ratio between the number of sweets that Will has to the number that Dave has to the number that Debbie has?
  
• Find all real numbers of #s# such that #-2(s - 7) > 4s + 8#. Give your answer in interval notation?
  
• Is phenol more acidic than acetylene?
  
• Evaluate the indefinite integral:∫sqrt(10x−x^2)dx ?
  
• Evaluate #int_0^1 (t/(1+t^3))dt#?
  
• If you got 3 wrong out of 35 possible answers what would be the percentage?
  
• How do you round 0.013946 to three significant figures?
  
• Why does a reaction with nitric acid produce nitrogen gas?
  
• What is the the value of a? Also, prove the following:
  
• How do you find the intercepts for #4x+3y=8#?
  
• Four times the sum of a number and 9 is equal to 7?
  
• You open a deposit account that pays 2.75% annual interest compounded monthly. There was an opening deposit of $500 and further deposits of $500 at the beginning all the following months. ?
  
• If Ajay gives Vijay ₹5, Ajay would have twice as much as Vijay. If Vijay gives Ajay ₹15, Ajay would have 8 times as much as Vijay. How much does Ajay have?
  
• What are the definition of the three types of chemical reactions?
  
• The length of a rectangle is 8cm greater than its width. How do you find the dimensions of the rectangle if its area is 105cm²?
  
• The most commonly used skin antiseptic, rubbing alcohol, is how many percent alcohol?
  
• How do you express the number #7,832,940,065# in English?
  
• How to do 191st question?
  
• How do you solve #sqrt(4x+1)+3=0#?
  
• I need help to Show an equation that relates the House Price, P to the square footage, #ft^2#, and then use this equation to predict the price of a #20,200 ft^2# house?
  
• What is the Square Root of -12?
  
• Assume y varies inversely as x, how do you write the equation given y=-4 when x=-3?
  
• Is y=2x-9 a direct variation and if so, what is the constant?
  
• What are concussions a form of?
  
• How many moles of helium is present in 10g of helium?
  
• #y=x/(x^2+1)#, find maxima and minima?
  
• For which t-values does the system have none, one or infinite solutions? #4(t+4)x+21y=56 ;color(white)("dd")12x+3ty=24#
  
• How do you solve the equation #x^2-8x=-9# by completing the square?
  
• How do you factor #x^9 - x^6 - x^3 + 1#?
  
• In a two-digit number, the square of the units digit is greater than the tens digit by 2. The sum of the number and the number formed by reversing its digits is 110. What is the two-digit number? Solve using simultaneous equation.
  
• How do i solve this?
  
• Integration of sqrt 1+x^4 dx=?
  
• How do you write these numbers in order from least to greatest: 6.139, 6.38, 6.3, 6.319?
  
• What is the smallest perimeter possible for a rectangle of area 16 in^2?
  
• ABCD is a parallelogram. Prove that AC and PQ bisect each other.?
  
• What are the points of inflection of #f(x)= (x^2 - 8)/(x^2+3) #?
  
• How do you solve #x^2 + 10x + 13 = 0# by completing the square?
  
• How do you combine #11/(5x)-1/(5x)#?
  
• If #y# varies inversely with #x#, and if #y=10# when #x=1.2#, what is the value of #x# when #y=30#?
  
• Is 193 a perfect square?
  
• What are the roots of the equation #x^2-5x+1=0#?
  
• During external respiration, are gases exchanged between the outside air and the alveoli, the alveoli and the blood, the blood and cells, the outside air and blood in the dermis, or the cytosol and mitochondria?
  
• Functions, Help?
  
• How do you solve #abs(x+17)+10=70#?
  
• What are the stimuli that turn on and off the thirst center?
  
• What benefit do fossils provide humans?
  
• Explain how water moves up a plant via transpiration?
  
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