Questions on Algebra: Equations answered by real tutors!

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Question 63829: What is the graph for slope intercept form
y= 3x-2
Click here to see answer by checkley71(8403)

Question 63903: Solve for x: e^2x + 4e^-2x = 4.
X=
a. (1/2) ln 2
b. (1/3) ln 2
c. (1/3) ln 3
d. (1/2) ln 3
e. ln 2
f. ln 3
g. none of these
Click here to see answer by stanbon(57250)

Question 63903: Solve for x: e^2x + 4e^-2x = 4.
X=
a. (1/2) ln 2
b. (1/3) ln 2
c. (1/3) ln 3
d. (1/2) ln 3
e. ln 2
f. ln 3
g. none of these
Click here to see answer by venugopalramana(3286)

Question 63891: evaluate each expression using the values p=3.5; n=2; s=1.4.
#44. s/pn-ps/n=
#45. pn/s+s/n=
Click here to see answer by checkley71(8403)

Question 63970: what is
5x+1=x+13
Click here to see answer by funmath(2925)

Question 63997: how do you solve this problem?
Click here to see answer by sarahschober(35)

Question 64043: The larger of two numbers is 8 more than four times the smaller. If the larger is increased four times the smaller, the result is 40. Find the numbers.
Click here to see answer by josmiceli(9661)

Question 64055: 8 - t =1
Click here to see answer by sarahschober(35)

Question 64050: THe sum of two numbers is 4 less than twice the larger. If the larger is decreased by three times the smaller, the result is -20. Find the numbers.
Click here to see answer by josmiceli(9661)

Question 64027: 2x+2y=9.50
Click here to see answer by stanbon(57250)

Question 64154: I'm need the point-slope from for this to figure out the other froms of the equations, but im not sure how to get point-slope from from the following infromation... please help.
Line L passes through (1,-6)with slope 3/2. Write the point-slope form, slope-intercept form, and standard form of an equation for line L.
Click here to see answer by checkley71(8403)

Question 63858:
Knowing that each variable is a unique, single-digit, nonzero number, and that and what is the number abcdefghj, where each letter is a digit? i.e. if a=4, b=2, and c=7, then abc=427
Click here to see answer by 303795(595)

Question 64241: 4t-t=6+t
Click here to see answer by funmath(2925)

Question 64247: How do you slove a equation with varibles on both sides?
Example:
1/2n+16=2/3n-4
Click here to see answer by stanbon(57250)

Question 64248: IM HAVIN PROBLEMS CAN U HELP ME OUT PLEASE W+14=-8
Click here to see answer by sarahschober(35)

Question 64289: i have $1.70 in dimes and quarters. i have 3 more dimes than quarters. how many of each coin do i have?....I am the father of a 7th grader trying to explain this to her...thanks for your help...
Click here to see answer by checkley71(8403)

Question 64293: 1.) 2(y-6)=3y+12-y

2.) 6-2y=7y+13

3.) 3x-5(x-6)=2(10-x)+10
4.) 5n+7=7(n+1)-2n
5.) -4(p+2)+8=2(p-1)-7p+15
Click here to see answer by funmath(2925)

Question 64381: please help to solve
3x = 18 - x^2

Click here to see answer by Earlsdon(6287)

Question 64356: 2x+6=10
Click here to see answer by praseenakos@yahoo.com(507)

Question 64355: 3x+7=19
Click here to see answer by checkley71(8403)

Question 64430: simplify
4m+1
------
12m+3
Click here to see answer by tutorcecilia(2152)

Question 64463: To solve systems of equations by the substitution method. My son needs help with these 2 problems:
(1) x = 3y – 1
x +2y = 9
(2) 2x – 3y = 12
x = 4y +1

Click here to see answer by stanbon(57250)

Question 64433: Simplify

4 3
--- - ---
x-6 6-x
Click here to see answer by ankor@dixie-net.com(15639)

Question 64431: Multiply express product in simplest form
2 9
-- X ---
15 16
Click here to see answer by checkley71(8403)

Question 64432: Simplify
3 4 5
-- + --- - ---
n n n
Click here to see answer by checkley71(8403)

Question 64515: To solve systems of equations by the substitution method. Please help my son to solve these 3 homework questions:
(1) x – y = 2
4x – 3y = 11
(2) – 2x + 3y = 14
x + 2y = 7
(3) 6x – y = -4
2x + 2y = 15
Thanks so much for all your help.
Click here to see answer by stanbon(57250)

Question 64541: 3x-x+8=16

Click here to see answer by checkley71(8403)

Question 64570: 4x-7=3x
Click here to see answer by pftsta3(3)

Question 64594: 2. Jordan wants to buy a bicycle that costs $750. He plans to get a part-time job, earning $30 a week, to buy the bike. How many weeks will he need to work before he has enough money for the bike?

Click here to see answer by 303795(595)

Question 64593: 1. An isosceles triangle has a perimeter of 55 cm. Find the length of one of the equal sides if the third side is 15 cm long.

Click here to see answer by 303795(595)

Question 64575: To solve systems of equations by the substitution method. Please help my son to solve this homework questions:
x – y = 3
6x + 4y = 13

Click here to see answer by 303795(595)

Question 64656: Please show me how to solve. Thanks!
5(X-4)-4(x-2)=0
Click here to see answer by tutorcecilia(2152)

Question 64658: Please help me solve the equation. thanks!
.05(x-2)+.06x=.78
Click here to see answer by tutorcecilia(2152)

Question 64678: Please help solve system of equations. give the X-value of the solution. thanks!
7x+2y=1
3x-2y=-9
Click here to see answer by stanbon(57250)

Question 64679: please help to solve
Find a :
2c/a - b = m/x
Click here to see answer by stanbon(57250)

Question 64685: 20x = x^3 - x^2
please help to solve! Thank you
Click here to see answer by stanbon(57250)

Question 64737: I need help with this...
Write the slope-intercept form of an equation of the line that passes through thr given point and is perpendicular to the graph of each equation.
(-2,-2), y= -1/3x+9
I got really confused in class today and my teacher explained how to do these problems in examples. Is there a formula i can use for it?
Click here to see answer by 303795(595)

Question 64766: I have 4 numbers: 2/3, 5/8, 6, 6. I can only use those numbers and I can not make them into decimals. I need to make 24. How can I do this?
Click here to see answer by Edwin McCravy(8882)

Question 64791: Can you please help my son with this problem: 12 chirps/min
using the formula F= n/4 + 37

Click here to see answer by 303795(595)

Question 64795: Please help me: Solve by factoring:x^4-9x^2=0.
Click here to see answer by 303795(595)

Question 64784: Express each number in scientific notation
-0.0000032
I would appreciate your help
Click here to see answer by checkley71(8403)

Question 64785: Express each number in standard form
-9.5x10-3
This is 10 to the -3 power
Click here to see answer by checkley71(8403)

Question 64786: Express each number in standard form
-9.102040x10(to the 2 power)
Click here to see answer by checkley71(8403)

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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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