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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 117091: numerator sqrt5-2x denominator 3 =1 Click here to see answer by checkley71(8403)

 Question 118473: A pair of diamond earrings is priced at \$325 and is discounted to \$150. Find the markdown percentage rate to the nearest whole number. Click here to see answer by stanbon(57967)

 Question 119101: This is one of those GRE questions column A The greatest prime factor of 3^5 column B The greatest prime factor of 5^3 a)column a is greater b)column b is greater c)the quantities are equal d)relationship cannot be determined I have always had trouble doing problems with prime numbers. Is there an easy way to do it because I can only do it by guess and check. Thanks for your help Click here to see answer by Edwin McCravy(8999)

 Question 119207: 3U/5-5/6=u/10 Click here to see answer by jim_thompson5910(28715)

 Question 119508: -11-45 Click here to see answer by MathLover1(6812)

 Question 119540: I really really need help and I've been searching over the internet for the best source to hepl me unfortunately my school exam on this is tomorrow. But it would really help to know how to do the problems. My main problem is in Chapter 3 of my book , on Solving Linear Systems Alegraically. I don't understand anything about it, it just confuses me . such as 3x + 4y equals -4 x + 2y equals 2 and in the book it says to solve the linear system using the substituion method. I'm having problems on problems like that and on graphing in section 3.3 of my book on Graphing and Solving Systems of Linear inequalities. on pages 159 and 148 mostly those pages THanks! Click here to see answer by jim_thompson5910(28715)

 Question 119687: it is about matrices and determinants i need to find the value of x in the system of equations 2x+y -4 =0;3x +(5/2)y-10=0 using cramers rule. Click here to see answer by Fombitz(13828)

 Question 120312: Please help solve 14 + (-1). The answer I got was 13. I just want to make sure that my answer is correct. I am a little rusty on this problem. Thank you for your help. Click here to see answer by checkley71(8403)

 Question 120359: the diameter on a wheel on a car is 1.5 feet. how many revolutions must the wheel make so that it travels 37.68 feet. use pi=3.14 Click here to see answer by bucky(2189)

 Question 120358: mr c can type 66 words in 1.5 minutes. at the same rate how many words can he type in 3.5 minutes? Click here to see answer by Kalmetam(43)

 Question 120355: find 3 consecutive integers so that twice the first is twelve more than the third. Click here to see answer by Kalmetam(43)

 Question 120443: mr m has 3 times as many quarters as dimes, if he has a total of \$6.80 in quarters and dimes, how many of each does he have. i know this is an easy question i just dont know how to do it algebraically Click here to see answer by bucky(2189)

 Question 120442: the circumference of a circle is 56.52 inches, to the nearest tenth of an inch find the area of the circle. use pi=3.14 Click here to see answer by bucky(2189)
 Question 120442: the circumference of a circle is 56.52 inches, to the nearest tenth of an inch find the area of the circle. use pi=3.14 Click here to see answer by josmiceli(9817)

 Question 120660: What does the symbol: Two straight lines incasing an equation mean?? Click here to see answer by rapaljer(4667)

 Question 121098: What is the value of the expression when x = -2? A) -24 B) 4 C) 24 D) 32 Click here to see answer by stanbon(57967)

 Question 121115: Ashley's telephone service costs \$24 per month plus \$0.20 for each local call, and long-distance calls are extra. Last month, Ashley's bill was \$45.93, and it included \$16.33 in long-distance charges. How many local calls did she make? Click here to see answer by josmiceli(9817)

 Question 121118: Find the solution set of = 23 Click here to see answer by stanbon(57967)
 Question 121118: Find the solution set of = 23 Click here to see answer by checkley71(8403)

 Question 121122: Find the solution set of = . Click here to see answer by checkley71(8403)

 Question 121123: If 3 times a number is decreased by 5, the result is 7. Find the number. Click here to see answer by stanbon(57967)
 Question 121123: If 3 times a number is decreased by 5, the result is 7. Find the number. Click here to see answer by checkley71(8403)

 Question 121076: I would appreciate anyone who can help me with this problem. I have been racking my brain on this problem. It has the sigma symbol and the problem states: Find Sigma symbol(x) for the following set of numbers: -1/5, 2/5, -3/5, 3/5, 4/5, 1 I appreciate any help possible out there. Thanks alot! Your help is greatly appreciated!! Click here to see answer by edjones(7569)

 Question 121303: A plane is flying at an altitude of 1.5 km. The pilot wants to descend into an airport so that the path of the plane makes an angle of 5 degrees with the ground. How far from the airport (horizontal distance) shoul the descent begin? Click here to see answer by stanbon(57967)

 Question 121725: how do you solve slope and y-intercept problems Click here to see answer by checkley71(8403)

 Question 122227: Converting 5184 cubic inches to cubic feet gives Click here to see answer by edjones(7569)

 Question 122226: What is the best unit of measurement for the area of a garden? Click here to see answer by praseenakos@yahoo.com(507)

 Question 122225: What is the best unit for measuring the area of a room? Click here to see answer by praseenakos@yahoo.com(507)

 Question 122222: A reasonable estimate for the area of a poster in your room would be Click here to see answer by praseenakos@yahoo.com(507)

 Question 122570: A rectangle has a perimeter of 60 inches and length of 22 inches. What is the width of the rectangle? Click here to see answer by rapaljer(4667)

 Question 122569: What is the solution to Tambria's property has the shape of a trapezoid with the dimensions shown. If the perimeter of the property is 3,279 feet,what is the value of x? x+27 x+74 x+274 x Click here to see answer by solver91311(17077)

 Question 122714: The sum of two numbers is 240. The larger number is 6 less than twice the smaller. Find the numbers. Click here to see answer by stanbon(57967)

 Question 122685: ^-2 Click here to see answer by ankor@dixie-net.com(15746)

 Question 122887: This test is very difficult and any help would be so very much appriciated, please reply asap. The problem is: Use synthetic substitution to find F(4) given Click here to see answer by jim_thompson5910(28715)

 Question 122890: This test is very difficult and any help would be so very much appriciated, please reply asap. The problem is: Find K given F=(-4)=15 and Click here to see answer by oscargut(900)

 Question 123010: I neeed help asap please. Use Synthetic division to find the 3 zeros of Click here to see answer by stanbon(57967)
 Question 123010: I neeed help asap please. Use Synthetic division to find the 3 zeros of Click here to see answer by jim_thompson5910(28715)

 Question 122988: Use Synthetic Division to find the 3 zeros of Click here to see answer by scott8148(6628)

 Question 124981: y = 3x^2 + ax + b Click here to see answer by Fombitz(13828)

 Question 125599: Graph -4x + 4y = -16. Click here to see answer by jim_thompson5910(28715)

 Question 125611: The sum of the measures of two exterior angles of a triangle is 271. What is the measure of the third exterior angle? Click here to see answer by stanbon(57967)

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