Answers created by salamat

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• Can you help me ?
  
• How do you divide #\frac { 6( 1- k ) } { k - 1} \div \frac { 4k ^ { 2} ( k + 2) } { 4k ^ { 2} )#?
  
• A triangle has sides A, B, and C. Sides A and B have lengths of 5 and 9, respectively. The angle between A and C is #(19pi)/24# and the angle between B and C is # (pi)/8#. What is the area of the triangle?
  
• How do I solve for 0 ≤ x < 2π using the equation cot² x - csc x =1 ??
  
• How do I solve for the equation 0 ≤ x < 2π √2 tan x = 2 sin x ?
  
• Question #bce48
  
• The area of a rectangular picture frame is #30 1/3# square inches. The length of the frame is #6 1/2# inches. What is the width of the frame?
  
• If #sin^4theta+cos^4theta=1#, find #theta#?
  
• How do you add #4x ( 2x + 1) ^ { 3} + 5( 2x + 1) ^ { 4}#?
  
• How do you write #4x^2-24x+27# in the form of #a(x-b)^2+c#?
  
• If #2sinA = 1#, with #A# being an angle in quadrant #1#, what is the value of #cotA#?
  
• How do you solve #\frac { 19} { x } = \frac { 38} { 100}#?
  
• Question #6b95f
  
• How do you simplify #\frac { x \cdot ( x - 1) } { 4x - 4}#?
  
• How do I solve for #y# in #y/5-6=8#?
  
• If #a# * #b# = #1 - a/b#, what is the value of #2 * (3 * 4)#?
  
• The midpoint of AB is at (5,-5) If A = (-4, -6), what is B?
  
• Question #9eb47
  
• Question #4a354
  
• A and b are roots of the equation 2x^2 +5x - 4. Calculate the value of (a - b)^2?
  
• How do you evaluate #\frac { 4\cdot ( x - 1) } { ( 1- x ) \cdot 2}#?
  
• Question #188a9
  
• Simplify this index law question?
  
• Question #37cdd
  
• How do you find the axis of symmetry, vertex and x intercepts for #y=-x^2-3x+4#?
  
• What is the vertex form of #y= x^2 – 7x – 4#?
  
• #2tanx - tan2x + 2a = 1 - tan2xtan^2x# What is a?
  
• Question #6c946
  
• How do you write # y=x^2+2x-35# in vertex form?
  
• How do you combine #-10/(z^2-6z+5)+15/(z^2-4z-5)#?
  
• Question #23b7a
  
• How do you find the volume of the sphere in terms of #pi# given #V=4/3pir^3# and d= 9 ft?
  
• How do you find the exact value of #sin(alpha-beta)# if #sinalpha=-5/13# and #sinbeta=1/6# if the terminal side of #alpha# lies in QIII and the terminal side of #beta# lies in QI?
  
• How do you graph #x+4y=-8#?
  
• How do you solve #-3(4x-2)=-21#?
  
• Question #61b5c
  
• How do you simplify #(-32)^(3/5)#?
  
• If #s(x)= x -7 and t(x) = 4x^2 - x +3#, how do you solve # (t*s)(x)#?
  
• How do you solve #12r+34=-6r-(-9)#?
  
• Question #c9008
  
• What is the vertex form of #y= (x+2)(x - 7) #?
  
• How do you write an inequality and solve given "the sum of twice a number and 5 is at most 3 less than the number"?
  
• A triangle has sides A, B, and C. The angle between sides A and B is #pi/4# and the angle between sides B and C is #pi/12#. If side B has a length of 5, what is the area of the triangle?
  
• An airplane travels 300 mi/h south for 2.0 hour and then at 250 mi/h north of 750 miles. What is the average speed for the trip?
  
• Two planes which are 3720 miles apart, fly toward each other. Their speeds differ by 30 mph. If they pass each other in 4 hours, what is the speed of each?
  
• How do you solve #-6\frac{3}{5}-2\frac{1}{5}#?
  
• A ship leaves port on a bearing of 34.0° and travels 10.4 mi. The ship then turns due east and travels 4.6 mi. How far is the ship from port, and what is its bearing from port?
  
• The volumes of two similar solids are 53 cm3 and 1113 cm3. Which is the ratio of the corresponding sides?
  
• How do you simplify and find the excluded value of #(6-y)/(y^2-2y-24)#?
  
• Question #5f8df
  
• Ruby red paint costs $0.50 per square inch. A ball is painted ruby red and costs $100.00 to paint. What is the diameter of the ball?
  
• How do you find the volume of a cylinder with a radius of 2 m and a height of 6 m?
  
• How do you multiply #(b + 14) ^ { 2}# ?
  
• How do you differentiate #f(x) =(2+x )( 2-3x)# using the product rule?
  
• Question #d3713
  
• In 2014, the average price of a new car was $37600. New-car prices increased by approximately $1250 per year. If this trend continues, how many years after 2014 will the price of a new car average $46350? In which year will this occur?
  
• How do you find the vertex and the intercepts for #f(x) = -x^2 + 2x + 5#?
  
• How do you solve #6k+3(k+2)=5k+12#?
  
• How do you multiply and simplify #\frac { 8x ^ { 5} } { 20x ^ { 3} - 10x ^ { 2} } \cdot ( 2- 4x )#?
  
• Question #7c4ba
  
• How do you solve #\x ^ { 2} - 8x = 20#?
  
• How do you simplify #tan^-1 1#?
  
• Question #fd3c6
  
• Question #31517
  
• Question #a1b5e
  
• Question #7f35f
  
• Question #75958
  
• How do you evaluate the definite integral by the limit definition given #int 4dx# from [0,3]?
  
• How do you factor #36a ^ { 2} - 36a b - 27b ^ { 2}#?
  
• How do you evaluate the definite integral by the limit definition given #int 4dx# from [0,3]?
  
• Question #3fa40
  
• What is the perimeter of a triangle with corners at #(3 ,7 )#, #(1 ,3 )#, and #(4 ,9 )#?
  
• What is the equation of the line tangent to #f(x)=(x-4)^2-x # at #x=-1#?
  
• Question #2867e
  
• What is the vertex form of #y= x^2-3x-10 #?
  
• If #f(x)= 2x+5# and #g(x)=x^2-3#, how do you find [f o g] (x)?
  
• How do you solve the equation #log_x6>1#?
  
• How do you solve #h^ { 2} - 2h - 0= 3#?
  
• Question #38f9e
  
• Question #887ef
  
• What is the equation of the line tangent to # f(x)=2/(4 − x^2)# at # x=3#?
  
• Question #f837c
  
• Question #f7364
  
• Show that #10^logx = x# ?
  
• If the length of the equal two sides of a isosceles triangle is 20 cm and the angle between those two sides is 45 degrees, then what is the area of the triangle?
  
• What percent of 18 is 3?
  
• How do you solve #\frac { 3} { 5x } - \frac { 10} { x ^ { 2} } = \frac { 2} { 10x }#?
  
• Question #d363d
  
• Question #948e9
  
• Question #e4e7f
  
• Question #2b613
  
• Sin^4x-cos^4x= -cos2x or cos2x??
  
• How do you graph #3x+2y=4# using intercepts?
  
• Question #6074d
  
• How do you write the inverse variation equation of the following: Y varies inversely with x and y = 9 when x = 14?
  
• How many factors does 144 have?
  
• How do you determine if #a_n=1-1.1+1.11-1.111+1.1111-...# converge and find the sums when they exist?
  
• How do you factor and solve #x^2-4x=3#?
  
• The Laredo Sports Shop sold 10 balls, 3 bats, and 2 bases for $99 on Monday. On Tuesday they sold 4 balls, 8 bats, and 2 bases for $78. On Wednesday they sold 2 balls, 3 bats, and 1 base for $33.60. What are the prices of 1 ball, 1 bat, and 1 base?
  
• Question #967d4
  
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