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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 488091: The area of a rectangle is 18 square inches. The length is twice its width. Find the length and width of the rectangle. Click here to see answer by Jstrasner(106)

 Question 488158: 1,2 4,6 what are the next 3 sets of numbers Click here to see answer by richard1234(5390)

 Question 488093: Pre-Algebra:Algebra expression Q1:two inches shorter than Kathryn's height. Q2:the quotient of some number and thirteen Q3:Some number added to seventeen Q4:six centimeters shorter than the length of the pencil Q5:three pounds lighter than Adlai's weight Q6:the difference of some number and eighteen Q7:three dollars more than the cost of a ticket Q8:eight more than the product of a number and four Q9:half as many pieces of candy Q10:twice as long the length of the string Click here to see answer by richard1234(5390)

 Question 488104: -c-b+a. If c=-4 then would that make it positive? Click here to see answer by richard1234(5390)

 Question 488424: This is an algebraic equation and I am having a hard time finding the answer and doing a check to see if it is right. 3x-7=5(2x-3)+4 Click here to see answer by John10(245)
 Question 488424: This is an algebraic equation and I am having a hard time finding the answer and doing a check to see if it is right. 3x-7=5(2x-3)+4 Click here to see answer by solver91311(16872)

 Question 488289: Prove the sum of two rational numbers is rational, using real analysis Click here to see answer by richard1234(5390)

 Question 488534: Please explain with detail what is extraneous solution also how do you solve: |-4x|=32 Click here to see answer by stanbon(57285)

 Question 488495: Prove or disprove the product of a rational and an irrational is irrational Click here to see answer by richard1234(5390)

 Question 488939: determine whether the given numbers are solution of the inequality 3,-18,-10,-1 y-10>2y-3 Click here to see answer by MathLover1(6625)

 Question 489050: Okay so I need help finding the real solutions of this equation: X^4-X^3+2X^2-4X-8=0 I'm pretty sure that I'm supposed to use synthetic division but im not able to figure this out right now. Please help me Click here to see answer by dan_math(11)
 Question 489050: Okay so I need help finding the real solutions of this equation: X^4-X^3+2X^2-4X-8=0 I'm pretty sure that I'm supposed to use synthetic division but im not able to figure this out right now. Please help me Click here to see answer by chessace(471)

 Question 489054: I need help to find the real zeros of this function. And I'm supposed to use the real zeros to factor it. f(x)=x^3+6x^2+6x-4 I have no idea how to do this so help would be awesome. Thanks Click here to see answer by dan_math(11)

 Question 489139: A skydiver jumps at an elevation of 12,000 feet. He falls at a rate of 40 feet per second. How many seconds has he fallen if his current height is 6,000? Click here to see answer by jorel1380(2518)

 Question 489146: Mike withdrew an amount of money from his bank account. He spent one fourth for gasoline and had \$90 left. How much money did he withdraw? Click here to see answer by jorel1380(2518)

 Question 489176: What do you do when there is minus before parentheses. -(4) Click here to see answer by rfer(12654)

 Question 489231: How is 2 less than the quotient of 5 and a number x written? Click here to see answer by chessace(471)

 Question 489253: The perimeter of a regular pentagon is 41.5cm. Write and solve an equation to determine the length of each side of the pentagon Click here to see answer by stanbon(57285)

 Question 489544: What is the smallest two-digit number that gives a remainder of 1 when divided by 2, 3, 4, or 5? show me step by step too. thank you. Click here to see answer by chessace(471)

 Question 489540: Write an absolute value inequality and a compound inequality for the temperature T that as recorded to be as low as 65 degrees farenheight and as high as 87 degrees in a certain day Click here to see answer by chessace(471)

 Question 489543: A square has a perimeter of 80 cm. What is the area of the square? Click here to see answer by dan_math(11)

 Question 489683: Soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360-lb mixture that is 15% protein. How many pounds of the cornmeal should be in the mixture? How many pounds of the soybean should be in the mixture? Click here to see answer by mananth(12270)

 Question 489861: college algebra - Nine times the first two consecutive odd integers equals seven times the second. What are the integers? Click here to see answer by stanbon(57285)

 Question 489877: college algebra - Fifty liters of pure maple syrup that costs \$9.50 per liter are mixed with imitation maple syrup that costs \$ 4.00 per liter. How much imitation maple syrup is needed to make a mixture that costs \$5.00 per liter? Click here to see answer by stanbon(57285)
 Question 489877: college algebra - Fifty liters of pure maple syrup that costs \$9.50 per liter are mixed with imitation maple syrup that costs \$ 4.00 per liter. How much imitation maple syrup is needed to make a mixture that costs \$5.00 per liter? Click here to see answer by nerdybill(6951)

 Question 489929: I don't get my equations I don't know how to do them Click here to see answer by richard1234(5390)

 Question 490139: The bus fare in a city is \$1.25 people who use the bus have the option of purchasing a monthly discount pass for \$15 With the discount pass,the fare is reduced to \$0.75. Determine the number of times in a month the bus must be used so that the total monthly cost without the discount pass is the same as the total monthly cost with the discount pass Click here to see answer by josmiceli(9664)

 Question 490360: Y= 5x-4 Y= 5x-5 Does the system have no solution, one solution, or many solutions Click here to see answer by richard1234(5390)