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 Linear_Equations_And_Systems_Word_Problems/392659: Tickets for an amusement park are \$12.50 for adults and \$8.50 for children. The sales total for all tickets sold during one day was \$1169.50. The equation represented for the total sales is \$12.50a+\$8.50c=\$1169.50. The total number of tickets sold was 107. Write an equation that represents the total number of tickets using a for the number of adult tickets and c for the number of children's tickets sold. Also, solve the equation to determine how many adult tickets and how many children's tickets were sold.1 solutions Answer 278721 by Alan3354(30993)   on 2011-01-10 11:24:22 (Show Source): You can put this solution on YOUR website!The 2nd equation is a + c = 107
 logarithm/392678: how much is the price of (x) in this question: log2^(x+3)+log4^(-2x)=log101 solutions Answer 278720 by Alan3354(30993)   on 2011-01-10 11:20:06 (Show Source): You can put this solution on YOUR website!how much is the price of (x) in this question: l^(-2x)=log10og2^(x+3)+log4 --------------- l^(-2x)=log10og2^(x+3)+log4 log10og2^(x+3)+log4 = 1 That's not clear. log10og2^(x+3) ... What is log10og supposed to be? Take the time to get it right if you expect someone to help.
 Problems-with-consecutive-odd-even-integers/392675: What is the sum of two numbers that is -14, with their product at 48? I let x = one number and -14-x = the other number. Therefore, x(-14-x) = 48, -x^2 - 14x - 48 ?????1 solutions Answer 278717 by Alan3354(30993)   on 2011-01-10 11:11:27 (Show Source): You can put this solution on YOUR website!What is the sum of two numbers that is -14, with their product at 48? The answer to your question is that it's an algebra problem. -------------------- You should say "the sum of two numbers that is -14, with their product at 48?find the 2 numbers" -------------------- I let x = one number and -14-x = the other number. Therefore, x(-14-x) = 48, -x^2 - 14x - 48 ? You had the right idea, but lost the equal sign. -x^2 - 14x = 48 is better (x+6)(x+8) = 0 x = -6, -8 --------------- And, yes, I can be pedantic.
 Inequalities/392655: Solve for x algebraically. Square root of (x+1) + Square root of 2x=Square root of 5x+31 solutions Answer 278712 by Alan3354(30993)   on 2011-01-10 10:56:45 (Show Source): You can put this solution on YOUR website!Solve for x algebraically. Square root of (x+1) + Square root of 2x=Square root of 5x+3 ----------------- Square both sides Square again x = ± 1
 Geometry_proofs/392661: 3.14/500 where do babies come from?1 solutions Answer 278706 by Alan3354(30993)   on 2011-01-10 10:47:57 (Show Source): You can put this solution on YOUR website!It depends. Babies of what species?
 Linear-systems/392668: a ine passes through (3,4)and(4,7) write an equation for the line in point slope form rewrite the equation in standard form using integers1 solutions Answer 278700 by Alan3354(30993)   on 2011-01-10 10:41:16 (Show Source): You can put this solution on YOUR website!Given 2 points example. Find the equation of the line thru the points (2,1) and (3,5) --------------------- This is a 2 step process. First find the slope of the line thru the points. slope, m = diffy/diffx m = (5-1)/(3-2) m = 4 --------- Now use y = mx + b with either point to find b, the y-intercept. y = mx + b 5 = 4*3 + b b = -7 ------- y = mx + b y = 4x - 7 is the answer. ------------------------ Another approach using determinants: |x y 1| |2 1 1| = 0 |3 5 1| -------- x(1-5) - y(2-3) + 1(10-3) = 0 -4x + y + 7 = 0 y = 4x - 7 --------- For further assistance, or to check your work, email me via the thank you note or at Moral Loophole@aol.com
 Geometry_Word_Problems/392669: 2. Use kite RSTU to answer each of the following questions. a. Find the measure of angle 1 b. Find the measure of angle 2 c. Find the value of x. d. Find the value of y. SR 4 cm S angle 2 Angle R 35 degree 1 solutions Answer 278698 by Alan3354(30993)   on 2011-01-10 10:39:09 (Show Source): You can put this solution on YOUR website!No kite is shown.
 test/392654: how do I solve these tw0 questions Find the LCD AND GCD of 3^2.7^3.11, 2^3.5.7? and how many bits are needed to represnt this integer 128?1 solutions Answer 278694 by Alan3354(30993)   on 2011-01-10 09:33:31 (Show Source): You can put this solution on YOUR website!Find the LCD AND GCD of 3^2.7^3.11, 2^3.5.7? It's not clear what your numbers are. --------------------- and how many bits are needed to represnt this integer 128? 128 in binary = 10000000 8 bits PS bit is binary digit
 Travel_Word_Problems/392519: A pilot flew a jet from city A to city B, a distance of 1800 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 5 h 30 min. What was the speed from city A to city B?1 solutions Answer 278602 by Alan3354(30993)   on 2011-01-09 22:41:35 (Show Source): You can put this solution on YOUR website!A pilot flew a jet from city A to city B, a distance of 1800 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 5 h 30 min. What was the speed from city A to city B? -------------- t = d/r 5.5 = 1800/r + 1800/1.2r 5.5r = 1800 + 1500 = 3300 r = 600 mi/hr
 Quadratic_Equations/392538: how do i solve... directions: write a quadratic equation with the given roots. Write the equation in the form of ax^2+ bx + c = 0, where a, b, and c are integers 1, 4 -2,-5 -1/3, -3 if you can help me...can u show me how to do the work so that i can see the process1 solutions Answer 278600 by Alan3354(30993)   on 2011-01-09 22:38:42 (Show Source): You can put this solution on YOUR website!write a quadratic equation with the given roots. Write the equation in the form of ax^2+ bx + c = 0, where a, b, and c are integers 1, 4 -2,-5 ---------- I'll do this one, the others are simpler. -1/3, -3 If the roots are a and b, the equation is (x-1)*(x-b) = 0
 Angles/392366: I need either an answer or a formula to solve the question... thanks so much. A supplement of an angle is four times as large as a compliment of an angle. Find the measure of the angle.1 solutions Answer 278598 by Alan3354(30993)   on 2011-01-09 22:35:04 (Show Source): You can put this solution on YOUR website!A compliment of an angle might be, "That's a nice looking angle." The complement is 90º - the angle.
 Length-and-distance/392510: If one end point of a line segment is (-6,4), and the midpoint of the segment is (-2,7), how do you find the other end point?1 solutions Answer 278595 by Alan3354(30993)   on 2011-01-09 22:31:26 (Show Source): You can put this solution on YOUR website!If one end point of a line segment is (-6,4), and the midpoint of the segment is (-2,7), how do you find the other end point? --------------------- Find x and y separately. x: -6 to -2 = 4 units Add 4 units to the midpoint --> -2 + 4 = +2 y: 4 to 7 = 3 units. 7 + 3 = 10 --> (2,10)
 Exponential-and-logarithmic-functions/392525: what is log4^(2x+3)=log5^(x-4) 1 solutions Answer 278583 by Alan3354(30993)   on 2011-01-09 21:56:48 (Show Source): You can put this solution on YOUR website!It's a logarithmic equation in x.
 Linear-equations/392511: write in slope intercept form the equation of the line that passes through the given point and is perpendicular to the given line (3,5),y=-5x=41 solutions Answer 278581 by Alan3354(30993)   on 2011-01-09 21:55:29 (Show Source): You can put this solution on YOUR website!A line and a point example. Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2) ----------------- Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y. 9x+3y = 36 3y= - 9x + 36 y = -3x + 12 The slope, m = -3 ------------------ The slope of lines parallel is the same. The slope of lines perpendicular is the negative inverse, m = +1/3 ---------------- Use y = mx + b and the point (1,2) to find b. 2 = (1/3)*1 + b b = 5/3 The equation is y = (1/3)x + 5/3 (slope-intercept form) x - 3y = -5 (standard form) ------------------------ For further assistance, or to check your work, email me via the thank you note, or at Moral Loophole@aol.com
 Equations/392513: write in slope intercept form the equation of the line that passes through the given point and is perpendicular to the given line (-2,-2),y=x+11 solutions Answer 278580 by Alan3354(30993)   on 2011-01-09 21:55:10 (Show Source): You can put this solution on YOUR website!A line and a point example. Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2) ----------------- Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y. 9x+3y = 36 3y= - 9x + 36 y = -3x + 12 The slope, m = -3 ------------------ The slope of lines parallel is the same. The slope of lines perpendicular is the negative inverse, m = +1/3 ---------------- Use y = mx + b and the point (1,2) to find b. 2 = (1/3)*1 + b b = 5/3 The equation is y = (1/3)x + 5/3 (slope-intercept form) x - 3y = -5 (standard form) ------------------------ For further assistance, or to check your work, email me via the thank you note, or at Moral Loophole@aol.com
 Equations/392516: write in slope intercept form the equation of the line that passes through the given point and is perpendicular to the given line (0,0),y=1/2 x+61 solutions Answer 278579 by Alan3354(30993)   on 2011-01-09 21:54:40 (Show Source): You can put this solution on YOUR website!A line and a point example. Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2) ----------------- Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y. 9x+3y = 36 3y= - 9x + 36 y = -3x + 12 The slope, m = -3 ------------------ The slope of lines parallel is the same. The slope of lines perpendicular is the negative inverse, m = +1/3 ---------------- Use y = mx + b and the point (1,2) to find b. 2 = (1/3)*1 + b b = 5/3 The equation is y = (1/3)x + 5/3 (slope-intercept form) x - 3y = -5 (standard form) ------------------------ For further assistance, or to check your work, email me via the thank you note, or at Moral Loophole@aol.com
 Equations/392514: write in slope intercept form the equation of the line that passes through the given point and is perpendicular to the given line (9,-4),y=-3x-21 solutions Answer 278578 by Alan3354(30993)   on 2011-01-09 21:54:20 (Show Source): You can put this solution on YOUR website!A line and a point example. Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2) ----------------- Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y. 9x+3y = 36 3y= - 9x + 36 y = -3x + 12 The slope, m = -3 ------------------ The slope of lines parallel is the same. The slope of lines perpendicular is the negative inverse, m = +1/3 ---------------- Use y = mx + b and the point (1,2) to find b. 2 = (1/3)*1 + b b = 5/3 The equation is y = (1/3)x + 5/3 (slope-intercept form) x - 3y = -5 (standard form) ------------------------ For further assistance, or to check your work, email me via the thank you note, or at Moral Loophole@aol.com
 Proportions/392453: Solve for x in the following 3:80::x1501 solutions Answer 278574 by Alan3354(30993)   on 2011-01-09 21:51:51 (Show Source): You can put this solution on YOUR website!Multiply the means and the extremes. 80x = 3*150 x = 45/8
 Graphs/392485: y= 3X- 6 1 solutions Answer 278558 by Alan3354(30993)   on 2011-01-09 20:44:36 (Show Source): You can put this solution on YOUR website!Do you have a question?
 Polynomials-and-rational-expressions/392384: How to factor down b^3-4b^2-9b+36 completely?1 solutions Answer 278534 by Alan3354(30993)   on 2011-01-09 20:08:40 (Show Source): You can put this solution on YOUR website!Try the factors of 36. f(b) = b^3-4b^2-9b+36 Evaluate f(1), f(2), f(3), f(4) and f(6), both plus and minus, to find a zero. Once you find the first, divide by that factor, then you have a quadratic.
 Quadratic_Equations/392395: The sum of the squares of three consecutive integers is 434. Find the integers. please show all of your work. Thank you!1 solutions Answer 278532 by Alan3354(30993)   on 2011-01-09 20:05:02 (Show Source): You can put this solution on YOUR website! The sum of the squares of three consecutive integers is 434. Find the integers. please show all of your work. Thank you! ------------ 434/3 =~ 144 sqrt(144) = 12, the middle number --> 11, 12 & 13
 Trigonometry-basics/392458: A rock is thrown vertically from the ground with a velocity of 24 meters per second and it reaches a height of 2+24t-4.9t^2 after t seconds1 solutions Answer 278530 by Alan3354(30993)   on 2011-01-09 20:02:58 (Show Source): You can put this solution on YOUR website!Thanks for sharing
 Graphs/392376: Hello, Please help!! 1. Y=1/3x-1 2. Y=1/2X+1/3 with the ordered pair (1,1) Thank you so much!!1 solutions Answer 278528 by Alan3354(30993)   on 2011-01-09 20:02:24 (Show Source): You can put this solution on YOUR website!What do you want to do?
 Triangles/392404: I still don't get this! Find the measures of the sides of each triangle: The ratio of the measures of 3 sides of a triangle is 8:7:5. Its perimeter is 240 ft. Can someone help me?? Thanks 1 solutions Answer 278522 by Alan3354(30993)   on 2011-01-09 19:51:51 (Show Source): You can put this solution on YOUR website!8 + 7 + 5 = 20 240/20 = 12 8*12 = 96 7*12 = 84 5*12 = 60
 Equations/392443: I have no idea how to start it. And how to solve it too.1 solutions Answer 278520 by Alan3354(30993)   on 2011-01-09 19:49:21 (Show Source): You can put this solution on YOUR website!Me neither.
 Triangles/392382: Find the measures of the angles of each triangle: The ratio of the measures of 3 angles is 2:5:31 solutions Answer 278486 by Alan3354(30993)   on 2011-01-09 18:03:10 (Show Source): You can put this solution on YOUR website!2 + 5 + 3 = 10 The sum is 180 180/10 = 18 2*18 = 36º 5*18 = 90º 3*18 = 54º
 logarithm/392303: solve for x log(2x-2)-41 solutions Answer 278456 by Alan3354(30993)   on 2011-01-09 15:30:12 (Show Source): You can put this solution on YOUR website!It's not an equation, nothing to solve. No equal sign
 Linear-systems/392308: 15x-5y=-20 -3x+y=41 solutions Answer 278453 by Alan3354(30993)   on 2011-01-09 15:10:12 (Show Source): You can put this solution on YOUR website!The 1st eqn is -5 times the 2nd --> dependent, no unique solution
 Graphs/392305: I need help graphing y=-x1 solutions Answer 278451 by Alan3354(30993)   on 2011-01-09 15:05:45 (Show Source): You can put this solution on YOUR website!Pick 2 values of x and find y. Plot the 2 points. Draw a line thru them.
 Quadratic_Equations/392296: how would you write this equation? " 10 more that two-thirds of x is y "1 solutions Answer 278450 by Alan3354(30993)   on 2011-01-09 14:45:00 (Show Source): You can put this solution on YOUR website!y = (2/3)x + 10 or y = 2x/3 + 10
 Quadratic_Equations/392297: Write each function in vertex form: y=x^+9x+8 I tried: y=(x^+9x+20.25)+8+20.25 y=(x+29.25)+28.25 y=-2x^+5x not sure on this one1 solutions Answer 278448 by Alan3354(30993)   on 2011-01-09 14:43:58 (Show Source): You can put this solution on YOUR website!Write each function in vertex form: y=x^+9x+8 Apparently you mean y = x^2 + 9x + 8 y=(x^2+9x+20.25)+8 - 20.25 y = (x + 4.5)^2 - 12.25 ------------ I tried: y=(x^+9x+20.25)+8+20.25 y=(x+29.25)+28.25 y=-2x^+5x