Answers created by Annie

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• In a 30-60-90 triangle, what is the length of the hypotenuse when the shorter leg is 7 in.?
  
• What is the mean, median, and mode of 45, 50, 47, 52, 53, 45, 51?
  
• How do you use #csctheta=4# to find #sintheta#?
  
• What is the slope and intercept of # x=1#?
  
• How do you add #\frac { 12y } { y ^ { 2} + 16y + 48} + \frac { 6} { y + 4}#?
  
• How do you solve #10x² = -5x#?
  
• How do you evaluate #\frac { 1} { 10} \div \frac { 1} { 2}#?
  
• Dana colored 1/6 of her picture, and Brendan colored 1/4 of his picture. Who colored more?
  
• How do you find GCF of 2 and 14?
  
• What is the least common multiple (LCM) of 8, 10 and 12?
  
• How do you solve the inequality #4x^2+20x+25>=0#?
  
• Question #6df80
  
• The sum of the ages of two sisters is 12 years, and the difference in their ages is 6 years. What are their ages?
  
• The figure shows △ABC.¯¯BD¯ is the angle bisector of ∠ABC. What is AD ?
  
• I have 18 ones, 15 hundreds, 15 tens, and 8 thousands. What number am I?
  
• Question #5e06e
  
• Three pounds of apples cost 87 cents. How much will 5 pounds cost?
  
• What percent of 76 is 17.48?
  
• If #sectheta+tantheta=3/2#, what is the value of #sintheta#?
  
• Shari drove for 90 miles in the city. When she got on the highway, she increased her speed by 20 mph and drove for 130 miles. If Shari drove a total of 4 hours, how fast did she drive in the city?
  
• A coin-operated machine sells plastic rings. It contains 4 yellow rings, 15 black rings, 0 orange rings, and 6 purple rings. Sarah puts a coin into the machine. What is the theoretical probability she gets a purple ring?
  
• How do you find the sum of the interior angle measures in 48-gon?
  
• How do you find the greatest common factor of 34 and 45?
  
• A boat is 68 feet from the base of cliff. If the distance from the top of the cliff to the boat is 17 less than twice the height of the cliff to the water. How do you find the height of the cliff?
  
• Three nos are in the ratio 3:4:5 . If the sum of the largest and the smallest equals the sum of the third and 52. Find the numbers ?
  
• Four times the larger of two numbers is equal to seven times the smaller The sum of the numbers is 22. How do you find the numbers?
  
• How to prove this trigonometric identity?
  
• Three consecutive multiples of 3 have a sum of 36. What is the greatest number?
  
• How do you find the LCM of #20x^3, 16x^4#?
  
• How do you find the cube roots #root3(343)#?
  
• What is the decimal equivalent of 13/16?
  
• What is the acceleration of a car that is going at a steady speed of 60 mph?
  
• How do you expand this logarithm?
  
• The sum of two consecutive even integers is at most 400. How do you find the pair of integers with the greatest sum?
  
• How do you solve #(2x - 7) ( x + 1) = 6x - 19#?
  
• How do you find the GCF of #12x^5y, 56x^2y^3#?
  
• Circle A has a center at #(2 ,3 )# and an area of #72 pi#. Circle B has a center at #(14 ,5 )# and an area of #48 pi#. Do the circles overlap?
  
• How do you multiply and simplify #\frac { 15x ^ { 2} - 960} { x ^ { 2} + 13x + 40} \cdot \frac { x ^ { 2} - 25} { x ^ { 5} - 13x ^ { 4} + 40x ^ { 3} }#?
  
• How do you solve this logarithmic equation?
  
• A lunch check is $27.95. How do you estimate a 15% tip?
  
• How do you multiply #2 1/3 times 3 3/4#?
  
• How do you find the least common multiple of 10 and 12?
  
• How do you write the equation of the line that has a slope of 5 and goes through #(6,3)#?
  
• How do you find the exact values of #costheta# and #sintheta# when #tantheta=1#?
  
• How do you simplify the fraction #85/110#?
  
• How do you factor #1-x^8# ?
  
• How do you solve #\frac { 4} { 15} + \frac { 5} { 12}#?
  
• Which equation has a slope of-7 and passes through the point(0,5)?
  
• What is 1.6 as a fraction?
  
• How do you evaluate #log_8 (-64)#?
  
• How do you simplify #(-i)^3#?
  
• How do you solve the system of equations #10x - 12y = 2# and #- 5x + 6y = - 1#?
  
• How do you know whether #sqrt38# is is closer to 6 or 7 without using a calculator?
  
• How do you write #15/6# as a mixed number?
  
• How do you simplify #(2+5sqrt3)/(-4+4sqrt2)#?
  
• How do you find the y intercept of (-2,3), slope =4?
  
• How many solutions does the system of equations #y=5x+6# and #y-5x=7# have?
  
• How do you graph the line #3x + 2y = 12#?
  
• How do you find the first five terms of the sequence #a_1=3#, #a_(n+1)=2a_n-1#?
  
• How do you simplify # (e^8 - e^(-8))/(e^4 - e^(-4))#?
  
• How do you solve #w ^ { 2} - 6w + 9= 13#?
  
• How do you evaluate #lne^(-4x)#?
  
• The sum of three consecutive even numbers is 168. What is the smallest of the three numbers?
  
• How do you solve #log_5(x+4)+log_5 8=log_5 64#?
  
• Two is 12.5% of what number?
  
• Simplify cos^2x-4/cosx+2?
  
• How do you solve #(5x-3)^2= 49x^2#?
  
• Which rational numbers fall between 2.7 and 2.8 on a number line: #2 19/25, 277/100, 21/8, 2 5/6#?
  
• Question #849cc
  
• How do you solve #log_2(9x+5)=2+log_2(x^2-1)#?
  
• How do you find the slope of a line perpendicular to #5y - 6x = 0#?
  
• How do you write the repeating decimal 0.73 where 73 is repeated as a fraction?
  
• What is #1\frac { 5} { 9} + 1\frac { 5} { 9}#?
  
• How do you find #h(x-4)# given #h(x)=x^2-x#?
  
• How do you graph #F(x)=ln(x-3)#?
  
• How do you evaluate the expression #cot(pi/3)#?
  
• How do you solve #36\frac{1}{2}\times 34\frac{1}{2}#?
  
• Question #4099b
  
• How do you solve #2x^2-3<=x#?
  
• How do you solve #2x^2-3<=x#?
  
• How do you find the exact value of #arccos (-sqrt3/2)#?
  
• How do you evaluate #log_15 (1/225)#?
  
• How do you write both an explicit equation and a recursive equation for the sequence: #5,8, 11, 14, 17,...#?
  
• How do you simplify #5^-6#?
  
• How do you factor #16x^2+8x-3#?
  
• Circle A has a center at #(5 ,-2 )# and a radius of #6 #. Circle B has a center at #(-4 ,-8 )# and a radius of #5 #. Do the circles overlap? If not, what is the smallest distance between them?
  
• Question #886d3
  
• Question #6c1f8
  
• What is the least common multiple of the set of numbers 8, 12, 16, 36?
  
• How do you simplify #(2-p)/(p^2-p-2)#?
  
• How do you simplify #sqrt5/sqrt3#?
  
• How do you solve #(sqrt(3)-sqrt(2))(sqrt(3)-sqrt(2))#?
  
• How do you factor #x^2-2x-xy+2y#?
  
• How do you find the exact value of #sec^-1(sqrt2)#?
  
• How do you graph the line that goes through #(3, 0)# and has a slope of #-3/4#?
  
• How do you solve #(p-4)^2=16#?
  
• How do you evaluate #log_15 1#?
  
• How do you evaluate #cos^-1(sqrt3/2)# without a calculator?
  
• How do you write an equation with slope 12 and y-intercept (0, 3)?
  
• How do you solve using the quadratic formula #2x^2-6=-x#?
  
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