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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 423034: Y=x-3 Click here to see answer by stanbon(57342)
 Question 423034: Y=x-3 Click here to see answer by Alan3354(30993)

 Question 422979: Write each rational expression in lowest terms. Ab-5a+3b-15/ab-5a-2b+10 Click here to see answer by MathLover1(6632)

 Question 423095: Martha drew a triangle with side lenghts of 48cm,55cm,and 73cm.Did she draw a right triangle? Click here to see answer by htmentor(789)

 Question 423045: An object is launched straight up into the air at an initial velocity of 64 feet per second. It is launched from 6 feet off the ground. Its height H, in feet, at t seconds is given by the equation H=-16tē+64t+6. Find all times t that the object is at a height of 54 feet off the ground. Click here to see answer by ankor@dixie-net.com(15650)

 Question 423190: A string of lights on a christmas tree has 240 lights on it. The lights are numbered from 1 to 240. The lights turn on and off according to a certain pattern. At the beginning, all lights are turned off. At the end of the first minute, all lights turn on. At the end of the second minute, every second light turns off. At the end of the third minute, every third light changes. If its off it turns on and if its on it turns off. At the end of the fourth minute, every fourth light changes. This pattern cotinues for 240 minutes. At the end of 240 minutes, which lights are off? Why? Click here to see answer by richard1234(5390)

 Question 423339: -90(t) + 4.905 (t*t) -150 = 19.9! !! can u explain to me how they found t=19.9 ? Click here to see answer by Theo(3464)

 Question 423315: Can someone plsss help me? :( Write in lowest terms 9x-18/6x+12 divided by 6x+12/30-15x Click here to see answer by Gogonati(809)

 Question 423455: Why is the exact value of sin(inverse-1) -1 = -pi/2? Click here to see answer by stanbon(57342)

 Question 423484: Can you help me plss :(? Write each rational expression in lowest terms. 2-x/x^2-4 Click here to see answer by jim_thompson5910(28595)

 Question 423700: How to figure out negatives when doing algebra? Click here to see answer by shree840(260)

 Question 423787: What I'd the answer to 5=2p+9 Click here to see answer by vleith(2825)

 Question 423642: If (1/x)=(3/4), then what is the value of x? Click here to see answer by algebrahouse.com(1079)

 Question 423806: Which terms of the polynomial are affected by the coefficient "5" in the product of (5X+Y)(X+Y)? A. first only B. second only C. third only D. first and second E. first and third Click here to see answer by MathLover1(6632)

 Question 423864: can you simplify 9/30ths??? Click here to see answer by Alan3354(30993)

 Question 423882: Find the slope of each of these three line segments: (9,9), (6,7), and (3,4). Between which two points is the slope the largest? Click here to see answer by ewatrrr(10682)

 Question 424021: Andy is four times as old as Wendy . In twelve years Wendy's age will be half of Andy's.find their ages now. Click here to see answer by algebrahouse.com(1079)

 Question 424031: Frank is two thirds as a Adam. In seven years, frank will be three fourths as old as adam.how old are they now ? Click here to see answer by stanbon(57342)
 Question 424031: Frank is two thirds as a Adam. In seven years, frank will be three fourths as old as adam.how old are they now ? Click here to see answer by josmiceli(9676)

 Question 424034: Marco had 150 coins,all nickels and dimes. He has 12 more dimes than nickels. How many nickels and how many dimes does he have ? Click here to see answer by josmiceli(9676)

 Question 424042: There are 37 students in an algebra class. There are 9 more girls than boys. How many girls and how many boys are in the class? Click here to see answer by htmentor(789)

 Question 424109: Avis rents a car for a daily rate of \$17.99 plus 18 cents per mile. Hertz charges \$18.95 per day plus 16 cents per mile. For what mileage is the cost the same? Click here to see answer by ewatrrr(10682)
 Question 424109: Avis rents a car for a daily rate of \$17.99 plus 18 cents per mile. Hertz charges \$18.95 per day plus 16 cents per mile. For what mileage is the cost the same? Click here to see answer by Gersid(33)

 Question 424107: evalute the expression for: x=3, y=2, z=5: z^2-y^2/xz-2y(z-x) Click here to see answer by ewatrrr(10682)

 Question 424106: The perimeter of a rectangle is 62 cm. The length of the rectangle is 1 cm more than twice the width. Find the dimensions of the rectangle. Click here to see answer by ewatrrr(10682)

 Question 424104: The perimeter of rectangle is 42 m. The length of the rectangle is 3 m more than twice the width. Find the dimensions of the rectangle. Click here to see answer by ewatrrr(10682)

 Question 424101: A hamburger and a glass of soda cost \$2.10. Two hamburgers and 3 sodas cost \$5.15. Find the cost of each. Click here to see answer by ewatrrr(10682)
 Question 424101: A hamburger and a glass of soda cost \$2.10. Two hamburgers and 3 sodas cost \$5.15. Find the cost of each. Click here to see answer by Gersid(33)

 Question 424105: evaluate the expression for: x=3,y=2,z=5 (xz-zy)^3 Click here to see answer by ewatrrr(10682)

 Question 424100: evaluate:[3/4]^2 Click here to see answer by ewatrrr(10682)

 Question 424099: evaluate: 3^4 Click here to see answer by ewatrrr(10682)

 Question 424040: There are 37 students in an algebra class. There are 9 more girls than boys. How many girls and how many boys are in the class? Click here to see answer by ewatrrr(10682)

 Question 424033: There are 37 students in an algebra class. There are 9 more girls than boys. How many girls and how many boys are in the class? Click here to see answer by ewatrrr(10682)

 Question 424082: The bus company owns three times as many mini-buses as regular buses. There are 60 more mini-buses than regular buses. How Many of each does the bus company own? Click here to see answer by ewatrrr(10682)

 Question 424025: 1. Jess is 12 years older than steph. Ten years ago, Jess was two times older than steph. How old are they now ? 2.Bart is 16 years older than Lisa. In three years, Bart will be three times as old as lisa. How old are they now ? Click here to see answer by ewatrrr(10682)

 Question 424092: write the inequality statement for: -2.5 and -0.75 Click here to see answer by ewatrrr(10682)

 Question 424090: write the inequality statement: -5/4 and -3/4 Click here to see answer by ewatrrr(10682)

 Question 424096: the value of the following is equal to what : 1/2 + 1/3 Click here to see answer by ewatrrr(10682)

 Question 424097: the value of the following is equal to what: 2+3/5 Click here to see answer by ewatrrr(10682)

 Question 424103: simplify:1/10[2(3+4)-3^2 Click here to see answer by ewatrrr(10682)

 Question 424102: simplify: 2^2(3^2+4^2)/10^2 Click here to see answer by ewatrrr(10682)

 Question 424098: simplify: 14-2[9-2(5-3)] Click here to see answer by ewatrrr(10682)

 Question 424094: find the expession: -5 - -2 Click here to see answer by ewatrrr(10682)

 Question 424093: find the value of expression:2*|-5| Click here to see answer by ewatrrr(10682)

 Question 424133: evaluate the expression for a=6 and b=-6: a^2-b^2 Click here to see answer by MathLover1(6632)

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