Answers created by jim p.
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When a sphere is heated, then the energy emitted is directly proportional to?
(a) Wavelength (b) Frequency (c) Temperature (d) Mass
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ABCD is a square. The diagonals AC & BD cut at A. From B a perpendicular is drawn to the bisector /_DCA and it cuts AC at P and DC at Q. Can you prove that DQ = 2PE?
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A triangle has sides A, B, and C. The angle between sides A and B is #(5pi)/6#. If side C has a length of #2 # and the angle between sides B and C is #pi/12#, what are the lengths of sides A and B?
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Question #39cb0
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Most waves are generated by what?
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Question #26aae
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Given the function #f(x)=((x)/(x+4)) #, how do you determine whether f satisfies the hypotheses of the Mean Value Theorem on the interval [1,8]?
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What simple machines are used in a swing set?
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Find the derivative y'=dy/dx of the following function using the derivative rules?
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Can someone answer please?
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Question #3ed1f
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Question #0a7e5
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How do you evaluate #\frac { 2y ^ { 2} + 9y - 5} { y ^ { 2} - 25} \times \frac { y - 5 } { 2y ^ { 2} - y }#?
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Question #30d1f
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What bodies in the wider universe are moving?
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Question #8718e
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What is the midpoint between #B(3, -5, 6)# and #H(5,3,2)#?
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Question #1e27b
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How do you find sin, cos, tan?
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Question #bc7b1
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Question #f6ba4
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Question #8f8da
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Solve using FOIL?
(x^2+6)(x^2+3)
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How do you find the area of an equilateral triangle with a 6-inch radius?
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Question #62a9b
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How do you factor #5x ^ { 8} - 35x ^ { 7} + 20x ^ { 6}#?
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How do you evaluate # e^( ( 13 pi)/8 i) - e^( (7 pi)/3 i)# using trigonometric functions?
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Question #d15b1
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Question #c73c7
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Question #9cdcc
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What is the derivative of #f(t) = ((lnt)^2-t, tcost ) #?
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Three points that are not on a line determine three lines. How many lines are determined by seven points, no three of which are on a line?
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How did Prohibition affect popular culture and American society?
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How do you solve #\frac { 3} { 6+ \sqrt { 7} } = \frac { 6- \sqrt { 7} } { x }#?
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A circle has a center that falls on the line #y = 7/6x +1 # and passes through #(9 ,8 )# and #(2 ,5 )#. What is the equation of the circle?
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How do you find the limit #lim_(x->2^-)1/(x-2)#?
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How do you find the limit #lim 5^(x^2-2x+1)# as #x->3#?
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Question #9e19a
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Need help ?
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What is the Cartesian form of #(12,(14pi)/3))#?
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How do you solve #x+y+z=-9#, #x-y+5z=-19#, #5x+y+z=-29# using matrices?
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Question #21e41
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How do you simplify #\frac { 10h ^ { 2} - 17h + 3} { 3h - 3} \cdot \frac { h - 1} { 10h ^ { 2} - 17h + 3}#?
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Question #97b67
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How do you simplify #\frac { x ^ { 2} - 4} { 3x ^ { 2} + 6x } \div \frac { 1} { 9x ^ { 2} }#?
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Question #f8406
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Question #aa65e
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How do you express #1/3^-2# with positive exponents?
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How do you find the domain of #f(x) =10x-4 / (x-1)#?
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Question #a6c2d
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An airplane took 4 hours to fly 1200 miles against a headwind. The return trip with the wind took 3 hours. Find the speed of the plane in still air and the speed of the wind?
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What helped stimulate trade during the Tang Dynasty?
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How do you graph the parabola #y = 0.3x^2 + 1.8x - 2# using vertex, intercepts and additional points?
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Question #be63b
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What is the domain and range of #1/(x-7)#?
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How do you solve #\frac{1}{2}x+5=18#?
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Question #922f7
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In 1987, the population of the United States was approximately #2.44 x 10^8# people. The national debt of the United States in that year was approximately #2.50 x 10^12# dollars. In scientific notation, how much debt is this per person?
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Question #6c1c9
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Question #be3fa
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A cone has a height of #12 cm# and its base has a radius of #7 cm#. If the cone is horizontally cut into two segments #1 cm# from the base, what would the surface area of the bottom segment be?
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How do you solve #2x ^ { 2} = 19x - 3#?
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The moon's distance from the earth is 360000km and its diameter subtends an angle of 42' at the eye of the observer.The diameter of the moon is?
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As a firework ascends, its acceleration increases. Why is that?
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Question #a3b6e
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How do you solve #9d^2-81=0#?
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How do you multiply #(x-1.4)(x+1)#?
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How do you evaluate the expression #cot 180#?
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The library charges you a fine when you return a library book late. If it is one day late you are charged $0.15, if it is two days late you are charged $0.30. You owe the library $3.75. How many days overdue is your library book?
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Question #ac354
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Question #fad20
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Question #a678e
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Question #16a73
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How do you find the exact value of #tan^-1 0#?
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Question #06d57
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How do you simplify #(\sqrt{2})(\sqrt{2})#?
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Question #f0b54
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Question #3de3b
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What is the equation of the line that is parallel to #y = 3x +6# and passes through the point (4,7)?
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How do you solve the system of equations by graphing and then classify the system as consistent or inconsistent #7x-6y=36# and #6y-7x=-36#?
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I've been trying so hard to solve this exercise but I honestly can't. It would be so nice of you if you can help me?. Thank you very much!
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Question #31f68
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How do you simplify #2( 4- ( 9- 4( 2) ) )#?
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How do you solve #2(x-4)+8=\frac{1}{2}(6x+20)#?
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Question #1a872
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If a car averages #50 1/3# miles per hour, how many hours will it take to go #47 1/2# miles?
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How do you simplify #\frac { 20- 4^ { 2} } { ( 1+ 1) \cdot 2}#?
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How do you simplify #\frac { \frac { 5} { 2} \times h } { 2}#?
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Question #e1997
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How do you solve #\frac { 4} { n - 9} + \frac { 1} { n + 2} = \frac { 3} { n ^ { 2} - 7n - 18}#?
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What is the greatest common factor of #24s^3, 12s^4#, and #18s^2#?
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Question #78e0d
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How do solve the following linear system?: # 3/2x - 3y = -9/4 , 5x+2y=1 #?
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Can I get some help tonight? Thanks!
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Question #3d522
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The product of a two-digit natural number and a number consisting of the same digits in the reverse order is 2430. Calculate that two-digit number?
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A number is less than one fourth the sum of three times the number and four. What is the number?
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What are the points of inflection of #f(x)= x(x^2+1) #?
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What is #f(x) = int 3x^3-2x+x^2e^(3x-2) dx# if #f(1) = 3 #?
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What is the density of a #0.196*g# mass of gas, confined to a #100*mL# volume?
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