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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 91044: What is a fractional part of an hour is 18 minutes? Simplify your result! Click here to see answer by stanbon(57347)

 Question 91015: Hello, The problem is on factoring. I do need a complete step by step...because I know I'm missing something....I tried doing the GCF, and their isn't one. So I did the breakdown of the 1st & 3rd number...but I totally missing something. Thanks! Factor the trinomial completely 20w^2 - 11w - 3 Click here to see answer by stanbon(57347)

 Question 91043: Jamal is fencing a rectangular field that neasures 25ft by 21ft. How much fencing should he buy? 92ft. Click here to see answer by tutor_paul(490)

 Question 91133: Solve for the unknown: 8/52 = m/39 _______________________________________________________________________________ Is the rate 1.2 inches of rain/5hours equivalent to the rate 2.1 inches of rain/8hours? Click here to see answer by stanbon(57347)

 Question 91132: On the blueprint of Lauren's new office building, the scale is 3 in. equals 8 ft. What will be the actual length of Lauren's office if it measures 6 in. long on the blueprint? _______________________________________________________________________________ Determine whether the pair of fractions is proportional: 2/5=6/15 Click here to see answer by stanbon(57347)

 Question 91126: Add 1/4+ 3/10+ 4/15 Divide by moving the decimal point. 27.3 divided by 10 (to the power of 5) Click here to see answer by checkley71(8403)

 Question 91185: These are more graphing problems I don't get :o( Draw the graph of the equation x^2/9 + y^2/16 =1 Draw the graph of the equation 4x^2-9y^2 =36 Draw the graph of the equation x=(y+1)^2+2 Click here to see answer by chitra(359)

 Question 91182: What is the distance between the points (3,2) and (7,10) Click here to see answer by checkley71(8403)

 Question 91225: An object is dropped from an airplane flying 784 feet above the ground. The height 'h' above the ground 't' seconds after it is dropped is given by the formula h=16t+784. How long will it take for the object to hit the ground? Click here to see answer by Earlsdon(6287)

 Question 91183: How do I write thte equation of a circle with the center at (-2,2) and a radius of 4? Click here to see answer by praseenakos@yahoo.com(507)

 Question 91509: Find the period of the graph of the equation y = 2sin(pix-3) Click here to see answer by Nate(3500)

 Question 91513: Find the equation for the asymtopes of the hyperbola x^2/9 - y^2/81 = 1 Click here to see answer by Nate(3500)

 Question 91535: 35. The following scores were recorded on a 100-point examination: 91, 85, 76, 86, 96, 51, 68, 92, 85, 72, 66, 88, 93, 82, 84 (a) Find the mean final examination score. (b) Find the median final examination score. (c) Is the mean or median a more useful representative of the final examination scores? Click here to see answer by stanbon(57347)

 Question 91532: Determine whether the pair of fractions is proportional: 2/5=6/15 Click here to see answer by Nate(3500)

 Question 91534: Find the mean of the following set of numbers. 8, 11, 10, 10, 14 Click here to see answer by stanbon(57347)

 Question 91531: Write the proportion 5 is to 8 as 15 is to 24. Click here to see answer by stanbon(57347)

 Question 91712: 1/3+1/5+1/10=? here is what I came up with, just want to know if I got it right! 1/15+1/15+1/15=3/15=1/5 _____________________________________________________________________________ 5/6-3/5 _____________________________________________________________________________ 3 3/4 divided by 1 3/8 = Click here to see answer by jayanthihemkos@yahoo.com(87)

 Question 91184: I need help with these two problems. They have more than one part. The first equation is y = a(x-h) + k a. Write the equation in the form y= a(x-h) + k b. Find the vertex of the graph. The second equation is y= x^2-2x-8 a. Find the y-intercepts of the graph. b. Find the x-intercepts of the graph. c. Find the vertex. d. Graph the equation. Click here to see answer by mathispowerful(115)

 Question 91571: Which of the following numbers are integers? 3,2/3,-3,101.1,-5/7 ------------------------------------------------------------------------------- Click here to see answer by mathispowerful(115)

 Question 92131: Find the perimeter and Area of a square with sides of 3 inches Click here to see answer by anraymer(35)

 Question 92129: In a weekend baseball game tournament, Joel had 4 hits in 13 times at bat. That is he hit safely 4/13 of the time. Write the decimal equivalent for Joels hitting, rounding, to three decimal places. (Than number is Joels batting average) Click here to see answer by anraymer(35)

 Question 91988: [25 divided (2 to the power of 3 -3)].2 Click here to see answer by checkley71(8403)

 Question 92383: b to the power of 2 minus 2bc+c to the power of 2= Click here to see answer by stanbon(57347)

 Question 92372: It is estimated that the earth is loosing 4000 species of plant and animal every year. If S represents the number of species living last year how many species are on earth this year? Click here to see answer by stanbon(57347)

 Question 92937: The median of a set of 9 consecutive integers is 42. What is the greatest of these 9 integers? Click here to see answer by psbhowmick(529)
 Question 92937: The median of a set of 9 consecutive integers is 42. What is the greatest of these 9 integers? Click here to see answer by Earlsdon(6287)

 Question 92940: If 20 percent of x equals 80 percent of y, which of the following expresses y in terms of x? (A) y = 16% of x (B) y = 25% of x (C) y = 60% of x (D) y = 100% of x (E) y = 400% of x Click here to see answer by psbhowmick(529)

 Question 93017: If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z? (A) 2k + z/3 (B) 2k +z/2 (C) k+z/3 (D) k+z/2 (E) 2(k+z)/3 Click here to see answer by stanbon(57347)
 Question 93017: If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z? (A) 2k + z/3 (B) 2k +z/2 (C) k+z/3 (D) k+z/2 (E) 2(k+z)/3 Click here to see answer by bucky(2189)

 Question 93278: How many cubical blocks, each with edges of length 4 centimeters, are needed to fill a rectangular box that has inside dimensions 20 centimeters by 24 centimeters by 32 centimeters? Click here to see answer by Nate(3500)

 Question 93277: If x + 3 = a, then 2x+ 6 = (A) a + 3 (B) a + 6 (C) 2a (D) 2a + 3 (E) 2a + 6 Click here to see answer by checkley75(3666)

 Question 93307: One number is 3 less than another. If 10 times the smaller number minus 3 times the larger number is 33, find the two numbers. Click here to see answer by scoribritos(3)

 Question 93328: Write an english version of the following equations; a) 2x-5=x+1 b) 2(x+2)=14 c) n+5=n/2-6 d) 7-3a = 5+a Click here to see answer by tutordave(1)

 Question 93327: Write an algebraic equation for the english statement "subtract 5 from the sum of x and 7 times and the result is 20 Click here to see answer by checkley75(3666)

 Question 93365: Write an algebraic equation for the english statement. "Subtract 5 from the sum of x and 7 times 3 and the result is 20. I came up with -5+6 = 7x3=20 I don't know if this is written in the right equation, please help! Click here to see answer by praseenakos@yahoo.com(507)

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