Answers edited by Zor Shekhtman
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How do you work backwards when solving word problems?
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How do you simplify #sqrt(-32) - sqrt(-8)#?
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Is the equation #A=21000(1-.12)^t# a model of exponential growth or exponential decay, and what is the rate (percent) of change per time period?
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What are Rational Numbers?
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How do you graph #f (x) = (24x – 156) /( 36 – x^2)#?
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How do you convert from vertex form to intercept form of #y-4=-(x-4)^2#?
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How do you find the area of a parallelogram with vertices?
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How do you factor #6x^3+1#?
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How do you simplify #sqrt(18)/sqrt(x^3)#?
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At noon, aircraft carrier Alpha is 100 kilometers due east of destroyer Beta. Alpha is sailing due west at 12 kilometers per hour. Beta is sailing south at 10 kilometers per hour. In how many hours will the distance between the ships be at a minimum?
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Question #6db4b
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If two angles are supplementary, then they are a linear pair of angles. Is this true or false?
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We have a circle with an inscribed square with an inscribed circle with an inscribed equilateral triangle. The diameter of the outer circle is 8 feet. The triangle material cost $104.95 a square foot. What is the cost of the triangular center?
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What is the Binomial Expansion of #(d+3)^7#?
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At the Holiday Valley Ski Resort, skis cost $16 to rent and snowboards cost $19. If 28 peopie rented on a certain day and the resort brought in $478, how many skis and snowboards were rented?
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Question #f7631
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How do you bisect an obtuse angle?
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How do you solve the equation on the interval [0,2pi) for #sinx = cos2x#?
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A projectile is shot at a velocity of #6 m/s# and an angle of #pi/12 #. What is the projectile's maximum height?
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Question #a2865
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How do you find the domain and range of #f(x) = 2 / (1 - x²)#?
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What is the Einstein's Box of Light ?
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An airplane is flying on a compass heading(bearing) of 340 degrees art 325 mph. A wind is blowing with the bearing 320 degrees at 40 mph, how do you find the component form of the velocity of the airplane?
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How do you convert #3y= 2x-2 # into a polar equation?
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How do you calculate amplitude and period of #y = -0.3 cos (2x)#?
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A composite geometry is made up of cube and a square pyramid frustum. The slanted side AK stretch a side lengths of 5.62 forming an isosceles triangle. Calculate the volume, surface area and sketch the net of the surface area?
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Suppose that U has a uniform distribution on [0, 1] and that, conditional on U = u, the distribution of V is uniform on [0, u]. What is the probability density function of V?
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How do you find the period of # f(x) = 3sin (x/2 + pi)#?
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How do you solve multi step equations with variables on both sides?
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How do you simplify #(2i)^(1/2)#?
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A card is drawn from a standard deck. A second card is drawn, without replacing the first card.
What is the probability that the first card is red and the second card is black?
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How do you find the zeroes of #f (x) =5x^4 − 2x^2 − 3#?
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What is the area of a hexagon with 4 cm long sides?
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How do you find the first term and common difference that has a sum of its first 10 terms equal to 250 and whose 6th term is 32?
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Question #94a03
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We have a half cylinder roof of radius #r# and height #r# mounted on top of four rectangular walls of height #h#. We have #200π# #m^2# of plastic sheet to be used in the construction of this structure. What is the value of #r# that allows maximum volume?
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Objects A and B are at the origin. If object A moves to #(-3 ,1 )# and object B moves to #(-6 ,3 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
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How do you find the solution of the system of equations #8x^2 + 5y =100# and #6x^2 -x -3y =5#?
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How do you solve #log_(4) (x^2 - 4) - log_(4) (x + 2) = 2#?
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How do you graph #(x^2+3x-4)/x#?
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How do you calculate the scale factor of a dilation?
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Question #e59b8
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How do you find the discriminant and how many and what type of solutions does #x^2+3x+7=0# have?
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A chord with a length of #12 # runs from #pi/12 # to #pi/6 # radians on a circle. What is the area of the circle?
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Rachel and Kyle both collect geodes. Rachel has 3 less than twice the number of geodes Kyle has. Kyle has 6 fewer geodes than Rachel.How do you write a system of equations to represent this situation and solve?
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How can electric charges be produced by rubbing?
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Question #b22b0
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Question #5f4f1
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What does exponential decay look like?
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Out of 7 lottery tickets 3 are prize-winning tickets. If someone buys 4 tickets what is the probability of winning at least two prizes?
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How do you locate the center of a dilation?
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How do you factor #5x^3 + 40y^6#?
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What is the formula for finding the area of a quadrilateral?
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If a wholesaler sells to 500 stores and one store shows a 50% uptick in sales, how can the wholesaler determine if this uptick is significant or if it is expected for a few stores to randomly see an uptick of 50%?
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How do you divide #( 4i+1) / (6i +5 )# in trigonometric form?
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How do you find the domain and range of #y = (x - 3)/( x^2 - 4)#?
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How do you evaluate # e^( (3 pi)/2 i) - e^( (4 pi)/3 i)# using trigonometric functions?
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How do you solve #sqrt(3x+1) = x-1# and find any extraneous solutions?
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How do you solve #-abs(x+1)=-2#?
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How do you divide #(3.0 x 10^4)/ (7 x 10^-7) #?
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Is this equation #-12x = 6y# a direct variation and if so, what is the constant?
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Question #5f4f1
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How do you solve #4< -z -4 < 11#?
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A triangle with angle A 15 degrees, and sides AB=AC=10cm, how do you find the all the angles and sides of the triangle?
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What is the way to write geometry proofs?
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How do you graph and solve #abs(x+1)<=11#?
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How do you derive the formula for a triangle?
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Question #9b866
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How do you graph the system #y >= - 2x - 3# and #3x - y > 2#?
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How do you write an equation in standard form for a line passing through (–4, 2) and is parallel to y = –x + 6?
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What are some examples of dilation?
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How do you graph #y=(cos2x)/2#?
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How can I calculate the vertex of a parabola?
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