# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 95030: A survey of 400 people found that 66 were left-handed. What percent of those surveyed were left-handed? Click here to see answer by checkley71(8403)

 Question 95069: How do I work the following problem to solve for N... Numerator = N Demominator = 3 the fraction N/3 is then multiplied by 4 N/3 X 4 = Click here to see answer by tutorcecilia(2152)

 Question 95029: The electricity costs of a business decreased from \$12,000 one year to \$10,920 the next. What is the rate of decrease? Click here to see answer by checkley71(8403)

 Question 95027: Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade. Click here to see answer by checkley71(8403)
 Question 95027: Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade. Click here to see answer by tutorcecilia(2152)

 Question 95026: The cost for a long-distance telephone call is \$0.36 for the first minute and \$0.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding \$3. Click here to see answer by checkley71(8403)

 Question 95108: Using the elimination method to solve for the point of intersection, (x,y,) between these to lines: 3x - 2y = 9 2x + y = 13 Click here to see answer by checkley71(8403)

 Question 95102: Using the quadratic formula, find the two values for x that solve this qudratic equation: x(with 2 exponent) + 2x - = 0 Click here to see answer by checkley71(8403)

 Question 95166: What is a function that cannot have a power higher than 1? Click here to see answer by stanbon(57242)

 Question 95212: What two consecutive even integers whose sum is 126? Click here to see answer by kiljoy(51)

 Question 95397: What number should be added to complete the square of the following expression? x^2+5/3x Click here to see answer by stanbon(57242)

 Question 95496: Can someone help me with this equation? 26 + 8y - 18 = 0 Click here to see answer by edjones(7569)

 Question 95524: the peak of tanzanias mountain kilimanjaro stands 19,340 feet above sea level. What is the integer that best expresses the given number. Click here to see answer by checkley71(8403)

 Question 95378: At a figure skating performance, 1/3 of the the skaters completed a triple jump. if 18 skaters perfomed, how many skaters did not completed a triple jump? Click here to see answer by checkley71(8403)

 Question 95558: Hello: Solve the following equations algebraically: 2/(y+3)+3/(y-4)=5/(y+6) I really don't know even where to start on this one. I was thinking first I should move over the right side and than try to find a common denominator. Any help will be gretaly appreciated. Click here to see answer by stanbon(57242)

 Question 95581: this is probably a simple problem but i'm making it to hard. Directions: write an expression in terms of the given variable that represents the indicated quantity Problem: the sum of 3 consecutive odd natural numbers if the least is x. Click here to see answer by checkley71(8403)

 Question 95582: A man left an estate of \$64,000 to three children. the eldest child recieved three times as much as the youngest. the middle child received \$14,000 more than the youngest. how much did each child recieve. we know that e=3y m=y + 14000 m + y + e= 64000 and now i'm not sure how to set up the problem...please help Click here to see answer by checkley71(8403)

 Question 95589: 2/3+3y=5y-2/15 i tried to put a 1 over the 3 and 5 with y's but i still couldn't figure it out. also i tried to subtract 2/3 from each side. Click here to see answer by stanbon(57242)