# Questions on Algebra: Equations answered by real tutors!

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 Question 436547: Two numbres have a sum of 185. If one number is x, represent the other number as an algabraic expression in x. Click here to see answer by nerdybill(7090)

 Question 436708: Anita can paint the shed in 5 hours. If Kris helps her, they can paint the shed in 3 hours. How long would it take Kris to paint the shed alone? Click here to see answer by stanbon(60778)

 Question 436834: A=6s^2, for s Solve the formula for the given variable. Assume all variables represent nonnegative numbers Click here to see answer by robertb(4012)

 Question 436809: It is determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x)=0.5x^2-0.9x+6.356, where C(x) is in hundreds of dollars. How many bicycles should be built to minimize the average cost? Click here to see answer by robertb(4012)

 Question 436957: THIS QUESTION WAS ASKED ON MY MATHS 4n + 1 = 9 I HAVE TRIED TO LOOK AT THE QUESTION IN THE STEP BY STEP SOLVER BUT IT JUST SAYS THE ANSWER IS 0=0 AND THAT N=2 I DON'T NO HOW IT GOT THEIR IM STUCK HERE IS WHAT I TRIED SO FAR 4n + 1 = 9 9-5N = 4 N=4 BUT I KNOW THAT IS INCORRECT BECAUSE THE ANSWER IS 2 BUT HOW IS IT POSSIBLE I DONT UNDER STAND Click here to see answer by stanbon(60778)
 Question 436957: THIS QUESTION WAS ASKED ON MY MATHS 4n + 1 = 9 I HAVE TRIED TO LOOK AT THE QUESTION IN THE STEP BY STEP SOLVER BUT IT JUST SAYS THE ANSWER IS 0=0 AND THAT N=2 I DON'T NO HOW IT GOT THEIR IM STUCK HERE IS WHAT I TRIED SO FAR 4n + 1 = 9 9-5N = 4 N=4 BUT I KNOW THAT IS INCORRECT BECAUSE THE ANSWER IS 2 BUT HOW IS IT POSSIBLE I DONT UNDER STAND Click here to see answer by MathLover1(7480)

 Question 436833: The number of tickets sold each day for an upcoming event is given by N(x)=-0.5x^2+13x+13, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day Click here to see answer by ankor@dixie-net.com(16527)

 Question 437212: the volume for a pyramid with a square base is V=1/3 wlh, where w is width, l is length and h is height. solve for w thanks in advance Click here to see answer by Adrish(44)

 Question 437501: If the base angles of an isosceles triangle are congruent and the measure of the base angle is double the measure of the third angle, then what is the measure of the third angle? Click here to see answer by rfer(13569)

 Question 437934: the pentagon building in washington D.C is shaped like a regular pentagon.If the length of one side of the pentagon is represented by n+2, its perimeter would be represented by a) 5n+10 b) 5n+2 C) n+10 d)10n Click here to see answer by ewatrrr(11176)

 Question 437969: what is the slope and the y intercept of y=-2x+7? Click here to see answer by ewatrrr(11176)

 Question 438001: the pentagon building in washimgton D.C is shaped like a regular pentagon.If the length of one side of the pentagon is represented by n+2 its perimeter would be represented by 1)5n+10 2)5n+2 3)n+10 4)10n Click here to see answer by solver91311(18785)

 Question 438163: Find the following. Assume that variables can represent any real number sqrt:(a+6)^2 Click here to see answer by robertb(4012)

 Question 438184: If the sides of a square are lengthened by 7 cm, the area becomes 121 cm^2. find the length of a side of the original square Click here to see answer by jorel1380(2518)

 Question 438217: Jack usually mows his lawn in 5 hours. Marilyn can mow the same yard in 6 hours. How much time would it take for them to mow the lawn together? Click here to see answer by unlockmath(1657)

 Question 438231: In a right triangle find the length of the side not given B=2, c=sqrt(29) Click here to see answer by belle3833(46)

 Question 438229: Find all numbers for which the rational expression is undefined (n^3-8n)/(n^2-4) Click here to see answer by nerdybill(7090)