Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 737226: The sum of two integers is 85. Ten less than three times the smaller of the integers is equal to twenty more than twice the larger integer. Find the numbers using only one unknown.
I tried doing it using two unknowns and i got 41 and 47.
Click here to see answer by lwsshak3(11628)

Question 737260: Solve the inequality
(x+6)(x-5)>0
Click here to see answer by MathLover1(20849)

Question 736937: The sum of the reciprocal of a number and the reciprocal of 3 less than the number is 6 times the reciprocal of the original number. Find the original number
Click here to see answer by ankor@dixie-net.com(22740)

Question 737266: A cyclist leaves a checkpoint and travels at an average of 14mph. A second cyclist leaves one half hour later and averages 18 mph. How long does it take the second cyclist to overtake the first? Use only one unknown.
Thanks!!!!!!!
Click here to see answer by Alan3354(69443)

Question 737277: Can you help me homework ?
3. (8,1), (1,y); m = -1
I don't understand how to do this. Can you explain it to me ?
Click here to see answer by Ed Parker(21)

Question 737319: 3x-10=3
I know that you add the 10 to the 3 and then you have 13. then you divide 13 by three. but that gives you 4.3 or something. im not really sure.
Click here to see answer by jim_thompson5910(35256)

Question 737360:
Click here to see answer by Alan3354(69443)

Question 737492: √(x^5y^8)
Click here to see answer by checkley79(3341)

Question 737435: I am trying to give a possible new customer what a new product weighs and he answered " 46 in^3 "...what does that mean???
Click here to see answer by ankor@dixie-net.com(22740)

Question 737624: -7x+4=18
Click here to see answer by ella13(7)

Question 737638: for which of the following equations are x=5and x=-5........................... A x2-x^2-5x-25=0.....B..x^2+25=0......C.. x^2+10x-25=0....D.. x^2-25=0
Click here to see answer by mananth(16946)

Question 737725: I have a question for my algebraic homework assignment. I am allowed help but ONLY once. Can you answer what 5b=60 is? Thank you!
I have tried these combinations:
1. 5 squared x2
2. 5 + 55
3. 5 x 10 + 10
4. 5 x 12
Thank you for your appreciation!

Click here to see answer by josgarithmetic(39617)

Question 737783: How many liters of a 10% saline solution must be mixed with 20 liters of a 15% saline solution to make a 12% saline solution?
Click here to see answer by josmiceli(19441)

Question 737871: Perform the division
(5x^2-32x-21)/ (x-7)
I have tried plugging the numbers in and it is not working! Please help!
Click here to see answer by josgarithmetic(39617)

Question 737863: Choose the correct solution set.
5x^2-11x+2=0
Options are {1/6,-3}
{1/5,2}
{-1/7,-2}
I tried changing the fractions to decimals and doing the problem but nothing seems to be 0, please help!
Click here to see answer by josgarithmetic(39617)

Question 737930: sum of two numbers is 72. The larger number is three times the smaller number. Find the numbers.
Click here to see answer by rfer(16322)

Question 737919: 1/3(x+15)=7
Click here to see answer by rfer(16322)

Question 738158: 3x-4y=-2
Click here to see answer by mananth(16946)

Question 738166: How do I factor x squared minus 85
I'm thinking I can't factor it so I'm really not sure what to do
Click here to see answer by unlockmath(1688)

Question 738200: write the equation of the line with a slope of 0 and containing the point (-6, 5).
Click here to see answer by Alan3354(69443)

Question 738278: Help please! 14 over x = 5 -1 over x
Click here to see answer by MathLover1(20849)

Question 738373: .5x+2=2x+5
Click here to see answer by jim_thompson5910(35256)

Question 738545: Find the roots of the equation: y=4(x+4)^2-12
Click here to see answer by josgarithmetic(39617)

Question 738557: 5a^2+4=8

Click here to see answer by MathLover1(20849)

Question 738689: evaluate the function for x=m/4
f(x)=8x-4x

Click here to see answer by solver91311(24713)

Question 738684: i need help with finding x in this equation: x+2=5x+26
Click here to see answer by MathLover1(20849)

Question 738699: a=5 more than the product of 3 and b. What equation best describes this?
Click here to see answer by Alan3354(69443)

Question 738698: If 2(x -1) = 14, then x =
Click here to see answer by MathLover1(20849)

Question 738756: what is r + 1 = -5?

Click here to see answer by rfer(16322)

Question 738756: what is r + 1 = -5?

Click here to see answer by Alan3354(69443)

Question 738869: write the equation of the circle with center at (10,-2) and the length of a radius r=6√21. Express the final equation in the for x^2+y^2+Dx+Ex+F=0
I do not even know where to start with this one! Please help!
Click here to see answer by solver91311(24713)

Question 738830: Perform the division
(24y^2)-10y-6)/(3y+1)
I tried doing it as is and I cannot seem to get the correct answer. Please help!
Click here to see answer by rfer(16322)

Question 738857: Suppose you wanted to build area for your dog. You have 24 meters of fencing,each in 1 meter sections. What rectangular shape would produce the largest area for your dog?
Click here to see answer by solver91311(24713)

Question 738908: What is 5+2(x-1)=12

Click here to see answer by Alan3354(69443)

Question 738984: Please help me sole this equation . 5(-3+2) = -95

Click here to see answer by Alan3354(69443)

Question 700874: 2/7 + 3/5 = X x 3 + 1/2
X =
Click here to see answer by maranneblas(1)

Question 739116: What does a equal in the equation (5/2)a-(a+4)=a+10

Click here to see answer by MathLover1(20849)

Question 739201: x+(3/4)x+(4/5)x=1260
a family runs a total distance of 1260 km over the course of 3 days. the second day they run 4/5 the distance of the first day on day two and 3/4 of the distance of the first day the third day how long did they run each day
Click here to see answer by josgarithmetic(39617)

Question 739248: X/5 = 4/15 solve for X
Click here to see answer by checkley79(3341)

Question 739283: x^2+5=0
Click here to see answer by Qwaed(6)

Question 739277: what is the total resistance of 10ohm,12ohm,and 15ohm resistors in parallel
Click here to see answer by Alan3354(69443)

Question 739321: how do I solve
n/3+2>0 ?

Click here to see answer by Alan3354(69443)

Question 739440: f(x)=x+2
g(x)=x^2-9
May you help me?
I need to find g[f(x)]
Click here to see answer by Leaf W.(135)

Question 739590: Where is the center of the circle given by the equation (x - 8)2 + (y + 8)2 = 25? Enter your answer as an ordered pair.

Click here to see answer by MathLover1(20849)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580