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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

Tutors Answer Your Questions about Equations (FREE)

 Question 96296: Simlpify -5 -(-10) Click here to see answer by checkley71(8403)

 Question 96292: Simlpify 3/7(5/7) Click here to see answer by checkley71(8403)

 Question 96297: Solve for x x with a 2 as the exponent - 6x + 9 = 0 Click here to see answer by checkley71(8403)

 Question 96299: The sum of an integer and its square is 42. Find the integer. Click here to see answer by checkley71(8403)

 Question 96305: 5 + 2 (3 + 4) with the exponent by the four out of the prenthsis Click here to see answer by checkley71(8403)

 Question 96308: Is x =4 a solution of the equation 2x + 1 = 8 + x divided by 4? Click here to see answer by checkley71(8403)

 Question 96309: Evaluate the expression (4a +4b) with 2 as the exponent by the b out of the pretheasis when a = 3 and b = 2 Click here to see answer by checkley71(8403)

 Question 96319: 4x - 5 (3x + 10) = 126 Please help with solving..need breakdown to solve other equations like this one. Thank you! Click here to see answer by checkley71(8403)

 Question 96331: 0.4n-18=3n-16-0.8h can you also show me how to check it? Click here to see answer by checkley71(8403)

 Question 96336: ax+by=c solve for y i don't understand this problem. Click here to see answer by checkley71(8403)

 Question 96337: m over n......equals p over q. solve for p. i dont understand how to solve this probl;em. Click here to see answer by checkley71(8403)

 Question 96335: y-b _______=x m solve for y. i dont understand this. i need step by step work please. Click here to see answer by checkley71(8403)

 Question 96334: A=P+Prt solve for t i don't understand it. i need it explained in depth please. Click here to see answer by checkley71(8403)

 Question 96355: The formula t=m+0.06m gives the total cost t for a meal that has a menu price m dollars and has a 6% tax and 15% tip. Use the formula to find the total cost for meal with a menu price of \$14.20. Click here to see answer by checkley71(8403)

 Question 96353: x/3 = 1/2 Click here to see answer by checkley71(8403)

 Question 96350: The formula S.A.=4pirSquared gives the surface area S.A of a sphere with radius r. Find the surface area of aball that has a radius of5in. Round to the nearest hundreth. Click here to see answer by checkley71(8403)

 Question 96381: If y varies directly as x and y=14 when x=8. Find x when y=21. Click here to see answer by mathman409(67)

 Question 96397: Suppose you deposit \$80 in a savings account that pays an annual intrest rate of 6%. How much interest would you earn in 9 months ? Click here to see answer by checkley71(8403)
 Question 96397: Suppose you deposit \$80 in a savings account that pays an annual intrest rate of 6%. How much interest would you earn in 9 months ? Click here to see answer by stanbon(57219)

 Question 96425: 2/3x - 3/4 = 1/6x + 21/4 Click here to see answer by stanbon(57219)

 Question 96426: Translate the following statement into inequality 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 96435: Paul invested \$5000 in a time deposit. What interest will he earn for 1 year if the interest rate is 6.5%? Click here to see answer by checkley71(8403)

 Question 96438: 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 96456: How many lbs of a 20% copper alloy must be mixed with 600lbs of a 30% copper alloy to make a 27.5% copper alloy? Click here to see answer by rossiv53(27)

 Question 96450: x-2/3=4/5 or (x-2)/3= 4/5 0r x-2=12/5 or x=12/5 + 2/1 = (12+10)/5 = 22/5 = 4.4 Click here to see answer by anjali_yamini(27)

 Question 96472: 13. Write the verbal sentence as an equation. Then solve the equation Twenty minus the product of 4 and a number is 4 Can someone help with this equation? Click here to see answer by stanbon(57219)

 Question 96471: 12. 6(5g + 2) =30g? Can someone help with this equation? Click here to see answer by stanbon(57219)

 Question 96473: 15. Write the verbal sentence as an equation. Then solve the eqaution Twelve less than 2 times a number is equal to 15 minus 7 times the number Can someone help with this equation? Click here to see answer by longjonsilver(2297)

 Question 96485: please help me solve this equation : Click here to see answer by jim_thompson5910(28476)

 Question 96470: 11. 5( 2q - 1) = -5 + 10q? Can someone help with this equation? Click here to see answer by jim_thompson5910(28476)

 Question 96467: 8. 1 + 9a - 8 = 8a? Can someone help with this equation? Click here to see answer by jim_thompson5910(28476)

 Question 96468: 9. 4t = 2(7t + 15)? Can someone help with this equation? Click here to see answer by jim_thompson5910(28476)

 Question 96469: 10. 7 + w - 10 = 2w? Can someone help with this equation? Click here to see answer by jim_thompson5910(28476)

 Question 96482: Write the verbal sentence as an inequality. Then solve the ineqaulity A number divided by 2 is at most 10 Can someone help with this equation? Click here to see answer by Earlsdon(6287)

 Question 96476: Write the verbal sentence as an equation.Then solve the equation Ten plus 6 times a number is equal to 5 less than the number? Can someone help with this equation? Click here to see answer by jim_thompson5910(28476)

 Question 96349: i dont know how to do bx-cx= -c? Click here to see answer by jim_thompson5910(28476)

 Question 96477: 20. The hourly wage for an employee is 11\$ per hour plus an additional \$.80 for every unit produced during the hour. The employee earned a total of \$23 during the first hour.How many units were produced in that hour? Can someone help with this equation? Click here to see answer by edjones(7569)

 Question 96480: Write the verbal sentence as an inequality.Then solve the inequality. A number minus 8 is no more than -3 Can someone help with this equation? Click here to see answer by edjones(7569)

 Question 96553: Computation: 5 1/4 - 2 2/3 Click here to see answer by stanbon(57219)

 Question 96554: Computation (-2)(-7)(11) = Click here to see answer by stanbon(57219)

 Question 96556: Which of the numbers 9, 10, or 11 is the solution of 83 = 93 - x? Click here to see answer by stanbon(57219)
 Question 96556: Which of the numbers 9, 10, or 11 is the solution of 83 = 93 - x? Click here to see answer by jim_thompson5910(28476)

 Question 96557: Evaluate the expression x with the exponent of 3 when x = 4 Click here to see answer by jim_thompson5910(28476)

 Question 96559: Solve fir r: r with the exponent of 2 + 5r - 14 = 0 Click here to see answer by jim_thompson5910(28476)

 Question 96561: Find an equation of the line through the points ( 1,4) and (3,10) Click here to see answer by jim_thompson5910(28476)

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