Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 683434: Find all solutions to the equation:
x - 10 sqrt(x) + 25 = 0
I figured out via guess and check that x = 25 but how do i solve for it using algebra? also is there more then one answer?
Click here to see answer by MathTherapy(10551)

Question 683544: 2x+3y=200
5x+4y+290
Click here to see answer by mananth(16946)

Question 683638: i don't understand how to add 5 3/5 + 2 2/3
Click here to see answer by Alan3354(69443)

Question 683900: Solve for x: 5(x � 2^)2 = 3
Click here to see answer by jerryguo41(197)

Question 683905: Solve for x: 5(x � 2)^2 = 3
Click here to see answer by jim_thompson5910(35256)

Question 683903: Solve for x: 5(x � 2)^2 = 3
a. +- 59/25
b. 1/5, 19/5
c. 10+-√15/5
d. 10+-√3/5
Click here to see answer by jim_thompson5910(35256)

Question 683918: The density of an object is W/V. If the density of an object is 5.25x10^-7 oz/ft^3?
and the volume is 2.2x10^3 ft^3, then find the weight?
Honestly i get to an answer 2.39 x10^-10 but i guess it's nor right
So i'm be happy if somebody can help me out?
Click here to see answer by jim_thompson5910(35256)

Question 683944: Solve for the zeroes: x^2+5x-6
Click here to see answer by jim_thompson5910(35256)

Question 683967: How to solve 2(n+5)= -2?
Click here to see answer by MathLover1(20849)

Question 683885: Hi Tutor,
I need your help on below equation, please.
I use MathURL to create equation. Please use below information to generate the equation that I am talking about. Thank you very much.
http://mathurl.com/
3000\ddot{a}\frac{}{10|}=\frac{65,475}{15}\nu^{20}\ddot{a}\frac{}{15}

Click here to see answer by Edwin McCravy(20054)

Question 683896: Solve for x: 25x-50=23/x
a. -5+-√2/5
b. 5+-√/5
c. 7/5, 3/5
d. 3/5, -7/5
Click here to see answer by ReadingBoosters(3246)

Question 684028: Please help me to solve this??Find the equation of the line having x-intercept 4 and a slope 5?I need solutions..

Click here to see answer by Alan3354(69443)

Question 684045: Find the slope and angle inclination of a line passing through A(7,-5) and B(4,4)?
Please answer.. I'm begging..
Click here to see answer by jim_thompson5910(35256)

Question 684046: Find the equation of the line passing through the given point and perpendicular to the equation of the line. (-2,3) ; 5x-4y-6=0
Click here to see answer by ReadingBoosters(3246)

Question 684029: Help me to solve this.. Find the equation of the line passing through the given point and perpendicular to the equation of the line. (-2,3) ; 5x-4y-6=0?? i need solutions thank you!

Click here to see answer by ReadingBoosters(3246)

Question 684026: 4x-3(y-2)=15+y ; How To Make Y A Function Of X .
Click here to see answer by ReadingBoosters(3246)

Question 683628: a divided by b plus 3 = c solve for a
Click here to see answer by ReadingBoosters(3246)

Question 683627: 2 plus x divided by y minus z = m solve for x
Click here to see answer by ReadingBoosters(3246)

Question 684132: During the first 6 months of last year, the interest on an investment was $130 less during the second 6 months. The total interest for the year was $1,450. What was the interest for each six month period?
Click here to see answer by ReadingBoosters(3246)

Question 684156: Show that the points A (3,-5), B (-3,-1) and C (7,1) are vertices of an isosceles triangle. Find the area? Help pls. with graph and solution!
Click here to see answer by jim_thompson5910(35256)

Question 684155: Find the equation of the line parallel to the line 2x+3y=6 and passing at a distance from the point (-1,1)? Please I need your solution and graph! thank you so much...
Click here to see answer by Edwin McCravy(20054)

Question 684160: Find the equation of the line parallel to the line 2x+3y=6 and passing at a distance of from the point (-1,1)? I need solution!
Click here to see answer by Edwin McCravy(20054)

Question 684134: Leonardo wants to save 100 dollars in the next 2 months. He knows that in the second month he will save 20 dollars more than during the first month.How much should he save each mont?
Click here to see answer by mexicanchickadee(3)

Question 684206: what is 6+5/4x-4=

Click here to see answer by ReadingBoosters(3246)

Question 684258: what is x in -5(1+2n)=15 and how

Click here to see answer by MathLover1(20849)

Question 684250: How do i do this problem? 7h - 11=5h - 7
Click here to see answer by checkley79(3341)

Question 684296: 6(4+6)2 � 7 * 4 / 2 + 3
I am not sure how to solve this because the person who wrote the problem for me came up with 349 and a homework site came up with 589. Can you please show me step by step on hos to come up with the answer?
I know to use PEMDAS but still confused because when I try to solve like this I don't know what part is my mistake.
(24 + 36)2 - 7 * 4 / 2 + 3
60*60 - 7 * 4 / 2 +3
3600 - 28 / 2 + 3
3600 - 14 + 3
3600 - 11
2589
Click here to see answer by Alan3354(69443)

Question 684221: 2(x-6)-4(x+2)=-8 solve for x
Click here to see answer by RedemptiveMath(80)

Question 683622: x divided by y plus 2 = z solve for x
Click here to see answer by ReadingBoosters(3246)

Question 683624: a divided by b plus 6 = c solve for a
Click here to see answer by ReadingBoosters(3246)

Question 683626: -3 plus a divided by b plus c = t solve for A
Click here to see answer by ReadingBoosters(3246)

Question 684181: Hi :)
I've been working on this question for a few hours but nothing seems right:
You buy a toy for $x and sell it for $19.24. You incur a loss of x%. Find x.
I think I have to make a trinomial but I can't seem to get the first few steps right.
Thanks for your help!
Click here to see answer by MathTherapy(10551)

Question 684413: How do you solve the following ?
x/2 -6 = x/7 -1
I am trying to study for my final exam and I got really stuck non this one.
Thank a million :-)
Click here to see answer by MathTherapy(10551)

Question 684463: how do I put these two points in an equation? (13,20) (22,24)
Click here to see answer by ReadingBoosters(3246)

Question 684463: how do I put these two points in an equation? (13,20) (22,24)
Click here to see answer by Alan3354(69443)

Question 684543: May you please help me answer this equation: 100=1-11/2n one hundred equals one minus eleven over two N.
Click here to see answer by lynnlo(4176)

Question 684579: what is : n divided by 6 = 6
Click here to see answer by ReadingBoosters(3246)

Question 684660: x^2-14x-6=0
Click here to see answer by jim_thompson5910(35256)

Question 684712: how do i do equations?
i dont understand anything, please help!
Click here to see answer by Alan3354(69443)

Question 684786: f(x)=3x+2, what is the value if x=4?
Click here to see answer by Alan3354(69443)

Question 684786: f(x)=3x+2, what is the value if x=4?
Click here to see answer by b4algebra(1)

Question 684787: f(-2)=3�+2
Click here to see answer by Alan3354(69443)

Question 684787: f(-2)=3�+2
Click here to see answer by stanbon(75887)

Question 684789: How do you solve 3|x+4|-7=2
Click here to see answer by stanbon(75887)

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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