Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 343638: Solve the formula for the specified variable. A=9P+2Prt for t Click here to see answer by Fombitz(13828)

 Question 344028: I was wondering if someone could please explain to me how to do this. s=a/1-r solve for r thank you so much april Click here to see answer by Fombitz(13828)

 Question 344072: what is the value of x in the following equation 3(3x+5)+6=3 Click here to see answer by jim_thompson5910(28476)

 Question 344062: you fill your car's gas tank when it is about 1/2 empty. the next week, you fill the tank a second time when it is about 3/4 empty. if you buy a total of 18 1/2 gallons of gas on these two days , about how many gallons does the tank hold? Click here to see answer by nerdybill(6948)

 Question 344049: can you please explain how you get the answer step by step Mr. Wise bought \$1950 woth of stock, some at \$3 per share and some at \$4.50 per share. If he bought a total of 450 shares of stock, how many of each did he buy? thank you april Click here to see answer by nerdybill(6948)

 Question 344288: 2(a-4)+15=13 i know the answer the answer is a=3 but how do i get 3 man this is so confusing Click here to see answer by jim_thompson5910(28476)

 Question 344269: Find the coordinate of the midpiont of a segment with the given endpionts. A(-3, 5) B(5,-1)? Click here to see answer by Fombitz(13828)

 Question 344375: A distant planet has 4 moons. The first moon takes 6 earth years to circle the planet. The 4th moon takes 18 earth years to circle the planet. How many earth years will it take for the 4 moons to be in conjunction? Click here to see answer by Alan3354(30952)

 Question 344195: find the equation of a line the points are (1,4) and (3,10) write the equation of a line that is parellel to the previous line and through the origin graph the two equations Click here to see answer by Fombitz(13828)

 Question 344562: I forgot how to complete this equation; Equation A.)2(3)2-3(5) B.)3(3)2-2(5) The answer I have for A. is 31, for B. the answer I have is 71. I subtracted them and got 40. But 40 is not an answer choose???? Click here to see answer by JBarnum(2044)

 Question 344566: i dont understand how to slove the equation 35=35y Click here to see answer by checkley77(12569)

 Question 344695: Express 4(cos 3pi/4 + i sin 3pi/4)in rectangular form. Click here to see answer by stanbon(57214)

 Question 344662: if it takes a colony of termites to devour a block of wood that is 2 inches wide, 2 inches long, 2 inches high, then how long will it take them to devour a block of wood that is 4 inches wide, 4inches long and 4 inches high. assume they keep eating at the same rate. show the solution. Click here to see answer by Alan3354(30952)

 Question 344821: how do you solve equations involing ages? for exampe: Tom is 4 years older than Jerry.Nine years ago,Tom was 5 times as old as Jerry was then. How old is each now? thank you Click here to see answer by stanbon(57214)

 Question 344877: How would you solve a problem like this: 3(2m+5)=-2(m-6) and then how do you know if this is an identity or if it has no solution? Click here to see answer by stanbon(57214)