Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 119584: Can you help me solve this equation please?
1. 9/x = 4/3x + 1
x = ?

Click here to see answer by ankor@dixie-net.com(15649)

Question 119699: Can you help me with this problem?
Find the value of the change in a purse that contains twice as many nickels as pennies, 3 more dimes than nickels, and as many quarters as dimes and nickels combined. Express your answer in terms of p, the number of pennies
Click here to see answer by josmiceli(9671)

Question 119696: Can you help me with this equation?
Find the average of three test scores if the first two test scores are 80 and 84. Express your answer in terms of s, the third test score
Click here to see answer by Fombitz(13828)

Question 119698: Can you help me with this problem?
Find the area of a rectangle that is 3 times as long as it is wide. Express your answer in terms of w, the width of the rectangle in feet.
Click here to see answer by josmiceli(9671)

Question 119592: Can you help me solve this equation?
The equation below is really a family of equations, because for each value of k we get a different equation with the unknown x. The letter k is called a parameter for this family. What value should we pick for k to make the given value of x a solution of the resulting equation? (If k can have any value, enter ANY.)
4x + 6k - 27 = kx - k + 1
If x = 5, k =
If x = -3, k =
If x = 7, k =

Click here to see answer by ankor@dixie-net.com(15649)

Question 119631: Please solve:
x^6-64 = 0
Click here to see answer by jim_thompson5910(28593)

Question 119738: x/2 + 4x/3 + 2x/4 = 7 solve for x

Solve for "x" : 3(2x + 4) = 2(5x - 3) + 2

Click here to see answer by jim_thompson5910(28593)

Question 119753: 7 + 3(-2) - 4/2 +1 =
Click here to see answer by benbjlin(6)

Question 119740: Calculate and round to two decimals:
This is a division problem.
A = 8,000/
2 – (.03)(37/284)

Click here to see answer by checkley71(8403)

Question 119739: Calculate and round to two decimals:
This is a division problem.
A = 8,000/
2 – (.03)(37/284)

Click here to see answer by checkley71(8403)

Question 119809:
1) how do u write an equation in slope-intercept form of the line that passes through (2,-7) and is parallel to the graph of y=x-2?

2) (2,3), y=x+5

3) (-5,-4), 2x+3y=-1
Click here to see answer by jim_thompson5910(28593)

Question 119783: Can you help me with this equation problem?
A pasture is twice as long as it is wide. Its area is 115,200 ft^2. How wide is the pasture?
Click here to see answer by checkley71(8403)

Question 119821: 1) how do you write in slope-intercept form of the line that passes through (6,-13) and is perpendicular to the graph 2x-9y=5?

2) (-3,1), y=1/3x+2

3) (6,-1), 3y+x=3
Click here to see answer by jim_thompson5910(28593)

Question 119823: how do you solve this problem V=abc solve for c?
Click here to see answer by jim_thompson5910(28593)

Question 119839: Hi, can I have some help with this problem?
A 10-ft-long stem of bamboo is broken in such a way that its tip touches the ground t = 3 ft from the base of the stem What is the height of the break? (Hint: Use the Pythagorean Theorem.)
Click here to see answer by scott8148(6628)

Question 119837: Hi, can you help me with this problem?
Two cyclists, 87 mi apart, start riding towards each other at the same time. One cycles twice as fast as the other. If they meet 2 hr later, at what average speed is each cyclist traveling?
mi/hr (slower cyclist)
mi/hr (faster cyclist)
Click here to see answer by josmiceli(9671)

Question 119838: Hi, can you help me with this problem?
A storage bin for corn consists of a cylindrical section made of wire mesh, surmounted by a conical tin roof, as shown in the figure. The height of the roof is one-third the height of the entire structure. If the total volume of the structure is 2900 ft3 and its radius is 9 ft, what is its height? (Round the answer to one decimal place.)

Click here to see answer by ankor@dixie-net.com(15649)

Question 119862: A car uses 10 gallons of gasoline on a trip of 370 miles. At that rate, how much gasoline will a trip of 518 miles require?
Click here to see answer by Earlsdon(6287)

Question 119879: [6x + 5]/3 = 3x/7 – 2
Click here to see answer by stanbon(57323)

Question 119362: |-6| + 3|4| + |-5| -0 . 6 =
Click here to see answer by HyperBrain(694)

Question 119836: hi, can you help me with this problem?
A rectangular parcel of land is 40 ft wide. The length of a diagonal between opposite corners is 18 ft more than the length of the parcel. What is the length of the parcel? (Round the answer to one decimal place.)
Click here to see answer by ankor@dixie-net.com(15649)

Question 119901: 8-(2x3-9)=
Please take me step by step on how to solve this.

2 to the 4th power plus 2 cubed - 10 divided by (-1) to the 4th power=

Click here to see answer by ankor@dixie-net.com(15649)

Question 119949: Can you help me with this problem?
Helen earns $7.60 an hour at her job, but if she works more than 35 hours a week she is paid 1 1/2 times her regular salary for the overtime hours worked. One week, her gross pay was $380.00. How many overtime hours did she work that week?
Click here to see answer by josmiceli(9671)

Question 119947: Can you help me with this equation?
An executive in an engineering firm earns a monthly salary plus a Christmas bonus of $8,700. If she earns a total of $97,000 per year, what is her monthly salary?
Click here to see answer by checkley71(8403)

Question 119919: what is x/4=3 what is the value of x

Click here to see answer by checkley71(8403)

Question 119945: Can you help me with this equation?
If Ben invests $3400 at 5% interest per year, how much additional money must he invest at 6.5% annual interest to ensure that the interest he receives each year is 5.5% of the total amount invested?
Click here to see answer by checkley71(8403)

Question 119944: Can you help me with this problem?
Find three consecutive integers whose sum is 321
Click here to see answer by checkley71(8403)

Question 119784: Can you help me with this equation problem?
A health clinic uses a solution of bleach to sterilize petri dishes in which cultures are grown. The sterilization tank contains 100 gal of solution of 2% ordinary household bleach mixed with pure distilled water. New research indicates that the concentration of bleach should be 5% for complete sterilization. How much of the solution should be drained and replaced with bleach to increase the bleach content to the recommended level?
Click here to see answer by ankor@dixie-net.com(15649)

Question 120045: The sum of three consecutive odd integers is no less than 57. Find the possible second odd integers.
Click here to see answer by Edwin McCravy(8908)

Question 120040:
Two cyclists, 79 mi apart, start riding towards each other at the same time. One cycles twice as fast as the other. If they meet 1 hr later, at what average speed is each cyclist traveling?
_____mi/hr(slower cyclist)
_____mi/hr(faster cyclist)

Click here to see answer by checkley71(8403)

Question 120063: 2(x-4)=3
Click here to see answer by jim_thompson5910(28593)

Question 120093: Write the scale without units.
1 cm : 1km
Any help with equation would be Greatly apreciated.No answers from Solver 311911,please:)
Click here to see answer by josmiceli(9671)

Question 120092: Write the scale without units.
1 mm : 92 cm
Any help with equation would be Greatly apreciated.No answers from Solver 311911,please:)
Click here to see answer by josmiceli(9671)

Question 120096: Hi! May I have some help with this equation?
Find all values of k that ensure that the given equation has exactly one solution.
8x2 + kx + 7 = 0
Click here to see answer by josmiceli(9671)

Question 120090: Hi! May I get help with this problem?
A wire 220 in. long is cut into two pieces. One piece is formed into a square and the other into a circle. If the two figures have the same area, what are the lengths of the two pieces of wire?
Click here to see answer by solver91311(16877)

Question 120114: could you please help me do the two equations that follow. I have tried to get them, but just can't. Thank you in advance for any help you can give.
5/7x-3=2, -6y+2=8
Click here to see answer by stanbon(57323)

Question 120081: 5x-5=2

Click here to see answer by jim_thompson5910(28593)

Question 120120: this is a Exam Review, i havent done these kind of problems since the beginning of the school year so i have a blind picture of how to do this problem.
Carlos and Maria drove a total of 258 miles in 5 hours. Carlos drove the first part of the trip and averaged 53 miles per hour. Maria drove the remainder of the trip and averaged 51 miles per hour. For appoximately how many hours did Maria drive? Round your answer to the nearest tenth if neccesary.
Thanks, I hope you reply soon :D
Click here to see answer by ptaylor(2048)

Question 120194: i need help on P divided by 5 and =3

Click here to see answer by jim_thompson5910(28593)

Question 120182: It says to write a problem that the equation could represent. Here is the problem.
one fourthx=7
Click here to see answer by checkley71(8403)

Question 120203: Can I have some help with this equation?

x^2-6/5x+9/25=0
Click here to see answer by solver91311(16877)

Question 120203: Can I have some help with this equation?

x^2-6/5x+9/25=0
Click here to see answer by checkley71(8403)

Question 120164:
3y = 15x - 12 how do i the equation as a fraction in y =..."form
Click here to see answer by checkley71(8403)

Question 120219: Solve for x: 3x^2+5x-7=x^2+8x+28
Click here to see answer by jim_thompson5910(28593)

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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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785