Questions on Algebra in Finance answered by real tutors!

Tutors Answer Your Questions about Finance (FREE)

Question 835263: Please help me solve this equation.
(9)^2+(x-3)^2=X
Click here to see answer by Fombitz(32388)

Question 835479: A, B, C and D went fishing. A caught 50% more fish than B. If A gives C 20 fish, A, B and C
will have the same number of fish. A, B and C together caught 4 times more fish than D. They
kept 20% of the fish they caught, sold the rest at 200 sum per fish and shared the money equally.
How much money did each take home?
Click here to see answer by Theo(13342)

Question 835618: 1) 24xy^3+30x^2y-12x^3y^3
2)x^2+5x-24
3)3y^2+7y+4
4)3y^2-108
5) x^2+4x+x+4
6)3x^2-12=0
7) x^2+9x=-20
Click here to see answer by Fombitz(32388)

Question 835727: Bill is 2 years older than his brother and 5 years younger than his sister. 5 years ago the sum of the ages of Bill and his bbrother was equal to their sister's age then. How old is Bill now
Click here to see answer by ankor@dixie-net.com(22740)

Question 835927: √98 x^5y^3 √4x^2y^2
Click here to see answer by LinnW(1048)

Question 835853: I have two brothers. I am eight years older than my younger brother. The difference
of my age from my younger brother�s age is twice the difference of my age from my big
brother�s age. We are now getting old, so the sum of our ages is now 164. How old am I?
Click here to see answer by ankor@dixie-net.com(22740)

Question 836057: A man 60(3/4)inches tall and his daughter is 58(3/18)inches tall. How much taller is the man?
Click here to see answer by stanbon(75887)

Question 835714: B. An automobile association claims that 54% of fatal car/truck accidents are caused by driver
error. A researcher studies 30 randomly selected accidents and finds that 14 were caused by
driver error. Using   0.02 , can the association�s claim be refuted? Use the P-value
method.
C. A researcher claims that the average score in the 2012 final exam of ST130 students is at
least 69%. A random sample of 10 students is selected, and the scores in percentage are
shown.
48 11 84 72 15
52 35 63 61 58
At  = 0.025, is there enough evidence to reject the claim?
Click here to see answer by new_user(6)

Question 836321: A candy store at the mall sells Pink Hearts for $4.50 per pound and Sugar Twists for $5.00 per pound. If they sell three times as many pounds of Sugar Twists as Pink Hearts, and take in $292.50, how many pounds of Sugar Twists did they sell?
Do not enter units.
Click here to see answer by josgarithmetic(39617)

Question 836463: If (x,-2) is a solution to the equation 3x-y=14 what is the value of x?
Click here to see answer by rfer(16322)

Question 835612:
Click here to see answer by tommyt3rd(5050)

Question 830469: Answers for scale drawings
Click here to see answer by tommyt3rd(5050)

Question 832599: Tell whether the lines for the pair of equations are parallel, perpendicular, or neither.
y=-4/5x+3
4x-5y=-15
Click here to see answer by tommyt3rd(5050)

Question 834324: 7/8xcforc=8
Click here to see answer by tommyt3rd(5050)

Question 836703: Hi, can someone please help me solve this equation: it says ,
Solve the system by graphing:In order to receive credit for this problem you must show all your work.
The equation is
(y=2x+4)
(y=-x+7)
thank you in advance!
Click here to see answer by drpipespropmzy(2)

Question 837584: You put $5000 in a savings account which earns compound interest at a rate of .5% per month. If you don't make any deposits or withdrawls, how much will you have in your account in 30 years?
Click here to see answer by mxgirl22(39)

Question 837141: Day Labor Company had depreciation expenses of $108,905, interest exp enses of $78,112, a tax rate of 30%, and an EBIT of $1,254,338 for the year ended June 30, 2011. What is the cash coverage ratio for this company?
Click here to see answer by anita0810(1)

Question 838698: The price of a cup of coffee has risen to $2.55 today. Yesterday's price was $2.20 . Find the percentage increase. Round your answer to the nearest tenth of a percent.
Click here to see answer by Cromlix(4381)

Question 838776: Jim Davis invested $14,000 for a period of 2 years at an interest rate of 4.25% compounded annually.
Using the simple interest formula and compound interest, calculate the following. (Round your responses to the nearest cent if necessary.)
Click here to see answer by ewatrrr(24785)

Question 838932: how to solve this by elimination
x + 3y = 5
4x + 2y = 7
Click here to see answer by Alan3354(69443)

Question 839085: Hi can you help me solve this equation please.
It says,
Solve the system by elimination. Show all your work for credit. You must show all your work.
{2x+y=25
{3y=2x-13
Thank you in advanced for any help!
Click here to see answer by ewatrrr(24785)

Question 839988: A triangle with sides 17cm, 39cm and 44cm contains an inscribed circle with circumference 13 1/5 pi cm. what is the area of part of the triangle that is outside the inscribed circle? Express your answer in terms of pi.
Click here to see answer by richard1234(7193)

Question 840301: if $2500 is 10% of the total, what is the remaining 90%?
Click here to see answer by Alan3354(69443)

Question 840538: how can i write this (4/5)^x+1 *(5/4)^x in scientific notation

Click here to see answer by stanbon(75887)

Question 840665: the sum two numbers is 34. the difference of the two number is 14. Find the two number
Click here to see answer by ewatrrr(24785)

Question 841083: (89.5+108+113+X)/4=106
Click here to see answer by Fombitz(32388)

Question 841109: I need help solving this problem: luis makes a 4% commission on his sales in a spirting goods store. For a $70 purchase, how much commission does does Luis earn? Answer with a proportion.
Click here to see answer by rfer(16322)

Question 841311: what is the present value of $500,000 at 11% compounded annually for 10 years
Click here to see answer by ewatrrr(24785)

Question 841545: Make y the subject of the equation below
y+9
___ = 2
4
Click here to see answer by nanakwame(5)

Question 841545: Make y the subject of the equation below
y+9
___ = 2
4
Click here to see answer by edjones(8007)

Question 841546: 1) a) Complete the table of values for y=2x^2 + 2x - 3
x -2 -1 0 1 2
y ....-3....... 9
b) Using the table of values, draw the graph of y=2x^2 + 2x - 3
c) Solve the equation y=2x^2 + 2x - 3 = 0
d) Draw the line y=1 on the graph
e) Hence, or otherwise, solve 2x^2 + 2x - 3 = 1
Click here to see answer by grishma.kshatriya(27)

Question 841563: Sandra invested $8000 in two mutual funds. At the end of the year, the percent return on one fund (x) was 8% and the percent return on the other fund (y) was 3%. The combined return on both funds was $345. Which system of equations can be used to find how much Sandra invested in each fund?
Click here to see answer by Theo(13342)

Question 841550: c) Solve the equation 2x� + 2x � 3 = 0
Click here to see answer by ewatrrr(24785)

Question 841728: Three candidates in a school election got 146,294 and 360votes each. What percentage of the votes did the winner receive?
Click here to see answer by rfer(16322)

Question 841732: I have exam tomorrow. Please help me tutors.
1)AOB is a straight line. Find z if x=35 degrees and y=2x.
2)Angles x and y are adjacent. State whether their exterior arms are in a straight line when,
I) x=112 degrees and y=62 degrees
3)1200 soldiers in a fort had enough food for 28 days. After 4 days, some soldiers were sent to another fort and thus, the food lasted for 32 more days. How many soldiers left the fort?
4)if 5 men or 7 women can earn $525 per day, how much would 7 men and 13 women will earn per day?
5) If 8 labourers can earn $9000 in 15 days, how many labourers can earn $6300 in 7 days?
6) Three workers working 8 hrs a day type a document in 10 days. If only 2 typists are working, how many hours a day should they work to finish the job in 12 days.
7) Anshul scored 98 out of 100 in maths, 92 out of 100 in science, 114 out of 150 in Hindi and 44 out of 50 in history.
A) in which subject is his performance best?
B)in which subject is his performance worst?
C)what is his aggregate percentage?
8) In an exam, 1/4 of the students failed both in English and maths, 35% students failed in maths and 30% failed in English.
i)Find the percentage of students who failed in any of the subjects.
ii)Find the number of students who passed in both the subjects.
iii)if the number of students who failed only in English was 25, find the total number of students?
9)((-2)cube)square+5-cube / 5 to the power minus 5 -(-1/2)to the power 0. Write it in exponential form.
10)(-3xzsquare/2ysquare)to the power minus cube. Simplify.
Thank you! Please answer this dear tutors or I risk failing in my exams.
Click here to see answer by fcabanski(1391)

Question 841733: 3)1200 soldiers in a fort had enough food for 28 days. After 4 days, some soldiers were sent to another fort and thus, the food lasted for 32 more days. How many soldiers left the fort?
Click here to see answer by Narsinghchauhan8960103366(17)

Question 841744: For a small manufacturing firm, the unit cost C(x) in dollars of producing x units per day is given by
C(x) = x^2 − 80x + 6000.
How many items should be produced per day to minimize the unit cost?

What is the minimum unit cost?

Click here to see answer by lwsshak3(11628)

Question 841797: A can do a job in 6 days while B can do a job in 8 days. They worked together for 2 days when B left the job. How much time will A require to complete the work?
Click here to see answer by richwmiller(17219)

Question 842006: How much would you need to deposit in an account now in order to have $20000 in the account in 4 years? Assume the account earns 5% interest. I am having trouble setting up the problem to solve it.
Click here to see answer by Fombitz(32388)

Question 842214: The weight of a synthetic ball varies directly with the cube of it radius. A ball with a radius of 2 inches weighs 1.20 pounds. Find the weight of a ball of the same material with a 3 inch radius.
Click here to see answer by ewatrrr(24785)

Question 841930: List�the�symmetries�of�the�given�function,�if�there�are�any.�Otherwise,�state�ʺNo�symmetryʺ. f(x)�=�6x^4�+�7x�-�5
Click here to see answer by Fombitz(32388)

Question 842277: Help me solve this
Click here to see answer by richwmiller(17219)

Question 842298: While doing their homework together the other night, Jack and Jill came upon the following question: Find the equation of the line that is parallel to the line
3x + 7y = 10 and passes through the point (4, 8). Jack said that it was impossible to solve this. Jill told Jack that he was just lazy, and of course you can get an answer. Jill then proceeded to show Jack how. Was Jill right? Could she solve this? If so, show the steps that Jill used to prove Jack wrong. If you think Jack is correct, explain why.

Click here to see answer by jim_thompson5910(35256)

Question 842401: Hi I'm Bob
Click here to see answer by Alan3354(69443)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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