# Questions on test answered by real tutors!

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 Question 994509: Why is the product of a non zero rational number and an irrational number irrational ? Click here to see answer by MathLover1(11324)

 Question 994253: Find the point with coordinates of the form (a, 3a) that is in the third quadrant and is a distance 5 from P(2, 1)... Click here to see answer by josgarithmetic(13975)

 Question 994214: find the area of the triangle A (10,6) B (3,-1) C-1,3) Click here to see answer by Alan3354(47455)

 Question 994076: There are 520 people in a village...200 of them are females what is the percentage of men? Click here to see answer by stanbon(69061)
 Question 994076: There are 520 people in a village...200 of them are females what is the percentage of men? Click here to see answer by Boreal(1464)

 Question 994044: Micheal started a savings account with \$300. After 4 weeks, he had \$350, and after 8 weeks, he had \$400. what is the rate of change of money in his savings account per week? Click here to see answer by Alex2dadeath(5)

 Question 993879: The diameter of Jupiter is about 1.43 x 10%5E5 km. A day on Jupiter lasts about 10 hr. At what speed is Jupiter's spinning? Click here to see answer by Alan3354(47455)

 Question 993837: Can you name 3 numbers whose product is 9,000? I'm stuck on this problem. Thanks. Click here to see answer by Alan3354(47455)
 Question 993837: Can you name 3 numbers whose product is 9,000? I'm stuck on this problem. Thanks. Click here to see answer by ikleyn(988)

 Question 993847: Laura is making a patio in Her backyard using paving stones. she buys 44 paving stones and a flowerpot worth \$7 for a total of \$73. how much did paving stones Cost? Click here to see answer by farohw(153)

 Question 993848: Laura is making a patio in Her backyard using paving stones. she buys 44 paving stones and a flowerpot worth \$7 for a total of \$73. how much did paving stones Cost? Click here to see answer by farohw(153)

 Question 993688: If an object is projected vertically upward from ground level with an initial velocity of 240 ft/sec, then its distance s above the ground after t seconds is given by s = −12t^2 + 240t.For what values of t will the object be more than 1188 feet above the ground? Click here to see answer by josmiceli(13716)
 Question 993688: If an object is projected vertically upward from ground level with an initial velocity of 240 ft/sec, then its distance s above the ground after t seconds is given by s = −12t^2 + 240t.For what values of t will the object be more than 1188 feet above the ground? Click here to see answer by Boreal(1464)

 Question 993656: find an equation of the tangent line to the curve at the given point y=x+tanx (pi)(2pi) Click here to see answer by htmentor(912)

 Question 993537: Solve for x and express the result in interval notation: |8x-1| >= 7 Click here to see answer by solver91311(20879)

 Question 993388: This is calculus problem! Thank you for the help:) Evaluate the function at each specified value of the independent variable and simplify. (If an answer is undefined, enter UNDEFINED.) q(t) = 6t^2 + 7 / t^2 (a) q(2) = (b) q(0) = (c) q(-x)= Click here to see answer by ikleyn(988)
 Question 993388: This is calculus problem! Thank you for the help:) Evaluate the function at each specified value of the independent variable and simplify. (If an answer is undefined, enter UNDEFINED.) q(t) = 6t^2 + 7 / t^2 (a) q(2) = (b) q(0) = (c) q(-x)= Click here to see answer by macston(4006)

 Question 993384: This is a calculus problem! Thank you for the help:) Evaluate the function at each specified value of the independent variable and simplify. (If an answer is undefined, enter UNDEFINED.) q(t) = 6t^2 + 7 / t^2 (a) q(2) = (b) q(0) = (c) q(−x) = Click here to see answer by Alan3354(47455)

 Question 993276: if y varies directly as x. If y=6 when x=3 find y when x =-33 Click here to see answer by macston(4006)

 Question 993313: what numbers between 500 & 1900 can be made with the digits 3,4,5,6,7 &0 (repetition of digits is not allowed)? Click here to see answer by Edwin McCravy(13211)

 Question 993109: Find the derivative of the function. F(t) = e^6tsin 2t Click here to see answer by Alan3354(47455)

 Question 993100: Find the derivative of the function F(x) = (x^4 + 5x^2 − 2)^6 Click here to see answer by ikleyn(988)

 Question 993106: Find the derivative of the function. y = a^4 + cos^4 x Click here to see answer by ikleyn(988)

 Question 993128: Pipe A can fill a tank alone in 5 hours and Pipe B can fill the tank alone in 4 hours. A drain pipe (Pipe C) can empty the tank in 20 hours. With all three Pipes open, how long will it take to fill the tank Click here to see answer by ikleyn(988)

 Question 993126: One pipe can fill a tank in 10 hours, and the second pipe takes 6 hours, how long will it take to fill the tank if both pipes are open? Click here to see answer by ikleyn(988)

 Question 993068: The length of a rectangle exceeds its width by 2 feet. If each dimension were increased by 3 feet, the area would be increased by 51 square feet. Find the dimensions. Click here to see answer by stanbon(69061)

 Question 993020: find an equation of the tangent line to the curve at the given point y=sqrt 1+x^3 (2,3) Click here to see answer by Fombitz(25151)

 Question 993018: find the derivative of the function y=cos(sin 30) Click here to see answer by Fombitz(25151)

 Question 993005: find the derivative of the function y=x^2 e^-3x Click here to see answer by Fombitz(25151)

 Question 992987: is a increase by 10% and square of a is increase by what percentage? Click here to see answer by LinnW(866)

 Question 992776: Graph each inequality (Linear Inequalities in two variables) A. x - y > 4 B. 2x - y ≥ 2 C. x + y ≤ 3 D. 3x - 2y > 6 E. x + 2y < 4 Click here to see answer by stanbon(69061)

 Question 992459: An airplane flew with the wind for 5 hours. the return trip against the wind took 6 hours. if the wind was blowing at 25 miles per hour,what was the rate of the plane in still air? Click here to see answer by lwsshak3(11500)

 Question 992454: The sum of two numbers is 80. The larger number is 9 more than the smaller number. Find the numbers. Click here to see answer by satyareddy22(65)

 Question 992456: Find the number which when decreased by three-fourths of itself equals 28. Click here to see answer by satyareddy22(65)

 Question 992445: the sum of the ages of two sister is 20 years. two years from now, one of them will be three times as old as the other then. find their present ages. Click here to see answer by satyareddy22(65)

 Question 992082: An open cylindrical drum has radius 42 cm and height 129 cm. What is the cost of painting .Its outer surface along with base at the rate of 100 sq cm per 75 paise? Click here to see answer by ankor@dixie-net.com(18980)