Answers edited by Deepak G.

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• In a group of 48 pianos, 18 are out of tune. What percentage of the pianos is out of tune?
  
• Two corners of a triangle have angles of # (5 pi )/ 12 # and # ( pi ) / 12 #. If one side of the triangle has a length of # 5 #, what is the longest possible perimeter of the triangle?
  
• How do you solve #18+2n=4n-9#?
  
• How do you solve #y=1/2x+4# and #y=-4x-5# using substitution?
  
• Question #90ac6
  
• Question #4be82
  
• A circle has a chord that goes from #pi/12 # to #pi/8 # radians on the circle. If the area of the circle is #25 pi #, what is the length of the chord?
  
• What is the slope of the line perpendicular to #y=-3/7x+1 #?
  
• A circle's center is at #(3 ,9 )# and it passes through #(5 ,8 )#. What is the length of an arc covering #(5pi ) /4 # radians on the circle?
  
• An ellipsoid has radii with lengths of #6 #, #5 #, and #7 #. A portion the size of a hemisphere with a radius of #6 # is removed form the ellipsoid. What is the remaining volume of the ellipsoid?
  
• A circle has a chord that goes from #( pi)/3 # to #(5 pi) / 12 # radians on the circle. If the area of the circle is #49 pi #, what is the length of the chord?
  
• How do you simplify #1.7 div 8.5#?
  
• Two opposite sides of a parallelogram each have a length of #14 #. If one corner of the parallelogram has an angle of #(3 pi)/4 # and the parallelogram's area is #70 #, how long are the other two sides?
  
• Two rhombuses have sides with lengths of #2 #. If one rhombus has a corner with an angle of #pi/12 # and the other has a corner with an angle of #pi/3 #, what is the difference between the areas of the rhombuses?
  
• How do you solve #root4(x^4+1)=3x#?
  
• How do you solve #-4c-1.2=0.8#?
  
• A triangle has sides A, B, and C. Sides A and B are of lengths #4# and #9#, respectively, and the angle between A and B is #(5pi)/12 #. What is the length of side C?
  
• An ellipsoid has radii with lengths of #2 #, #4 #, and #5 #. A portion the size of a hemisphere with a radius of #2 # is removed form the ellipsoid. What is the remaining volume of the ellipsoid?
  
• Last year a large trucking company delivered #4.5 × 10^5# tons of goods with an average value of $19,000 per ton. What was the total value of the goods delivered?
  
• A circle has a chord that goes from #( 11 pi)/6 # to #(15 pi) / 8 # radians on the circle. If the area of the circle is #128 pi #, what is the length of the chord?
  
• How do you solve #5/9=(7h-29)/16#?
  
• What is the perimeter of a triangle with corners at #(1 ,4 )#, #(5 , 2 )#, and #(9 ,7 )#?
  
• How do you find the slope and intercept of #y = x + 2#?
  
• Cy Young pitched in 815 games over 22 years. He won 511 games. About how many games did he win per year?
  
• How do you find the slope that is perpendicular to the line #-6x -8y = 8#?
  
• Two opposite sides of a parallelogram each have a length of #2 #. If one corner of the parallelogram has an angle of #(7 pi)/8 # and the parallelogram's area is #3 #, how long are the other two sides?
  
• Two rhombuses have sides with lengths of #1 #. If one rhombus has a corner with an angle of #(7pi)/12 # and the other has a corner with an angle of #(pi)/4 #, what is the difference between the areas of the rhombuses?
  
• How do you solve #(2x)/(4-x)=x^2/(x-4)#?
  
• How do you simplify #144^(-1/2)#?
  
• A circle has a chord that goes from #(2 pi)/3 # to #(5 pi) / 8 # radians on the circle. If the area of the circle is #120 pi #, what is the length of the chord?
  
• How do you solve #6( x - 1) =18x#?
  
• How do you solve #\frac{5}{13} = t - \frac{6}{13}#?
  
• How does the volume of a cone change if its radius and height are both tripled?
  
• Two opposite sides of a parallelogram each have a length of #12 #. If one corner of the parallelogram has an angle of #(3pi)/8 # and the parallelogram's area is #72 #, how long are the other two sides?
  
• The length of a rectangle plus its width is 25 cm. The area is 156 square cm. What are the length and width of the rectangle?
  
• How do you solve #6x - 2y = -16# and #4x + 4y = -32 #?
  
• The length of a rectangle is 5 cm more than twice its width. What is the largest possible width if the perimeter is at most 64 cm?
  
• A circle has a chord that goes from #( 2 pi)/3 # to #(11 pi) / 12 # radians on the circle. If the area of the circle is #12 pi #, what is the length of the chord?
  
• A right triangle has a hypotenuse of 155 centimeters and a leg of 124 centimeters. Whatis the length of the other leg?
  
• How do you find the slope and the y-intercept of the line, then graph the line: 3x-y=5?
  
• A triangle has sides A, B, and C. Sides A and B are of lengths #4# and #3#, respectively, and the angle between A and B is #(5pi)/12 #. What is the length of side C?
  
• The laptop is on sale for 20% off the regular price. The price was originally $879.00. What is the sale price?
  
• A circle has a chord that goes from #( pi)/2 # to #(13 pi) / 6 # radians on the circle. If the area of the circle is #4 pi #, what is the length of the chord?
  
• Cups A and B are cone shaped and have heights of #35 cm# and #29 cm# and openings with radii of #12 cm# and #16 cm#, respectively. If cup B is full and its contents are poured into cup A, will cup A overflow? If not how high will cup A be filled?
  
• Brad earns $200 a month selling ice cream, and makes an additional $12 for every milkshake he sells. If he made $344 last month, how many milkshakes did he sell?
  
• A circle has a chord that goes from #( pi)/2 # to #(11 pi) / 6 # radians on the circle. If the area of the circle is #5 pi #, what is the length of the chord?
  
• How do you solve #2x + y = 5# and #y = 3x + 2# using substitution?
  
• Question #ef55f
  
• Two rhombuses have sides with lengths of #9 #. If one rhombus has a corner with an angle of #pi/12 # and the other has a corner with an angle of #(7pi)/12 #, what is the difference between the areas of the rhombuses?
  
• How do you solve #14+6x-8=18#?
  
• The bee hummingbird is the smallest bird. It can weigh as little as 2 grams. The largest bird, the ostrich, can weigh as much as 150 kilograms. What percent of the weight of a bee hummingbird is the weight of an ostrich?
  
• What is the surface area of a cone with a slant of 9 cm and a height of 7 cm?
  
• How do you solve #6x^2+84x+300=0# by completing the square?
  
• A circle has a chord that goes from #pi/12 # to #pi/8 # radians on the circle. If the area of the circle is #32 pi #, what is the length of the chord?
  
• A circle's center is at #(2 ,4 )# and it passes through #(3 ,1 )#. What is the length of an arc covering #(15pi ) /8 # radians on the circle?
  
• How do you evaluate #1 13/15 + 4 11/15#?
  
• How do you find #h(-2)# given #h(t)=-2*5^(-t-1)#?
  
• How do you factor #x^3y^3 - 8#?
  
• Sam received 87 dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball, and bat. He had 10 dollars left over, how much did he spent on the baseball gear?
  
• How do you simplify #10 ^ (7/6) / 10 ^ (5/6)#?
  
• Two opposite sides of a parallelogram each have a length of #32 #. If one corner of the parallelogram has an angle of #(5 pi)/12 # and the parallelogram's area is #160 #, how long are the other two sides?
  
• Are #(3c+7)# and #(7c+3#) the binomial factors of #21c^2+58c+21#?
  
• A circle has a chord that goes from #( pi)/3 # to #(19 pi) / 12 # radians on the circle. If the area of the circle is #48 pi #, what is the length of the chord?
  
• How do you solve #b/13-(7b)/13=24/13#?
  
• How do you simplify #root3(x+2) times root3((x+2)^7) #?
  
• How do you solve #1.4m = -196#?