Questions on Algebra in Finance answered by real tutors!

Tutors Answer Your Questions about Finance (FREE)

Question 1089042: tan^2 A=3(sec A-1)
Click here to see answer by natolino_2017(77)

Question 1089067: Consider the functions f and g defined by f(x)=sqrt((x+1)/(x-1)) and g(x)=sqrt(x+1)/sqrt(x-1).
Explain why f and g are not the same function.
Click here to see answer by ikleyn(52781)

Question 1089077: Cindy will require $15,000 in 2 years to return to college to get an MBA degree. How much money should she ask her parents for now so that, if she invests it at�12%�compounded continuously, she will have enough for school? (Round your answer to the nearest dollar.)
Click here to see answer by mathmate(429)

Question 1089080: The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model�A=2600e^0.045t�When will the account be worth $3898?
Click here to see answer by josmiceli(19441)

Question 1089090: What's the remainder when 2x^4 -3x^3 +4x^2 -5x+6 is divided by x-3?
A)108
B)96
C)87
D)75
Click here to see answer by Boreal(15235)

Question 1089090: What's the remainder when 2x^4 -3x^3 +4x^2 -5x+6 is divided by x-3?
A)108
B)96
C)87
D)75
Click here to see answer by MathTherapy(10552)

Question 1089094: The length of a rectangular piece of cardboard is 15 inches longer than its width. If a 5 inch square is cut from each corner of the cardboard, and the remaining piece is folded up to form a box, the volume of the box is 2,250 cubic inches. Find the sum of the length and the width, in inches, of the original cardboard.
Click here to see answer by Boreal(15235)

Question 1089093: How many real solutions are there if f(x)=x?
A)1
B)3
C)3
D)4
Click here to see answer by ikleyn(52781)

Question 1089092: If -2 and 4 are both zeros of the polynomial f(x), then a factor of f(x) is divisible by
A)x-1
B)x+3
C)x^2 +3x+2
D)x+4
Click here to see answer by ikleyn(52781)

Question 1089091: If the f(x)=x^5 +bx^4 +cx^3 +dx^2 +ez+k, f(-1)=0, and f(3)=0, then f(x) is divisible by?
A)x-2
B)x+3
C)x^2 + 3x+2
D)x+4
Click here to see answer by ikleyn(52781)

Question 1089081: The function A = A^ down 0e^-0.01386x�models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 400 pounds of the material are initially put into the vault, how many pounds will be left after 120 years?
Click here to see answer by ikleyn(52781)

Question 1089078: The function f(x) = 1 + 1.5 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 10 consecutive free throws?
thank you for help
Click here to see answer by josmiceli(19441)

Question 1089134: Identify the amplitude and period of this function: y =1/4 tan (3π)x
A.1/4, 3π
B.none, 1/3
C.n is an integer, 1/4

Click here to see answer by ikleyn(52781)

Question 1089134: Identify the amplitude and period of this function: y =1/4 tan (3π)x
A.1/4, 3π
B.none, 1/3
C.n is an integer, 1/4

Click here to see answer by Alan3354(69443)

Question 1089131: Evaluate this .expression in radians: cot 1.
a. 0.7854
b. 1.5574
c. 0.6421
Click here to see answer by ikleyn(52781)

Question 1089127: 1,3,5,7,9
What is the sum of all 5 digit no formed by above given no. repetition is not allowed
Click here to see answer by ikleyn(52781)

Question 1089130: Use the data in the table to find the probability. P(student is a senior and male).
Junior: Male 32. Female: 14
Senior: Male 24. Female: 20
A.32/90
B.24/90
C.44/90
Click here to see answer by jim_thompson5910(35256)

Question 1089166: William is planning to create a rectangular mosaic which measures 65 cm by 95 cm. The mosaic will be covered completely with square pieces of colored glass. William has decided that he will purchase only one size of glass squares, and he does not plan to cut any of the pieces. If the art supply store only sells the glass squares in whole-number side lengths (measured in centimeters), find the smallest number of squares which William could use for his mosaic.
Click here to see answer by ikleyn(52781)

Question 1089167: Question 1089091: If the f(x)=x^5 +bx^4 +cx^3 +dx^2 +ez+k, f(-1)=0, and f(3)=0, then f(x) is divisible by?
A)x-2
B)x+3
C)x^2 + 3x+2
D)x^2 -2x-3
Click here to see answer by ikleyn(52781)

Question 1089169: How many real solutions are there if f(x)=x?
A)1
B)3
C)3
D)4

Click here to see answer by ikleyn(52781)

Question 1089168: If -2 and 4 are both zeros of the polynomial f(x), then a factor of f(x) is divisible by
A)x-1
B)x+3
C)x^2 +3x+2
D)x+4
Click here to see answer by ikleyn(52781)

Question 1089171: If A's income is 25% less than that of B, then how much percent is B's income more than that of A?
Click here to see answer by ikleyn(52781)

Question 1089172: The price of cooking oil went up by 15%. The percentage of reduction that a family should effect in the use of cooking oil so as not to increase the expenditure on this account is ?
Click here to see answer by josgarithmetic(39617)

Question 1089173: If (x+2) is a factor of x^6 -3x^4 +2x^3 -x+d, what's the value of d?
A)14
B)-14
C)-2
D)2
Click here to see answer by josgarithmetic(39617)

Question 1089173: If (x+2) is a factor of x^6 -3x^4 +2x^3 -x+d, what's the value of d?
A)14
B)-14
C)-2
D)2
Click here to see answer by MathTherapy(10552)

Question 1089178: If 3^4=x, which of the following expressions is equal to 3^10?
A)3^x^2
B)9x^2
C)27x^2
D)x
Click here to see answer by josgarithmetic(39617)

Question 1089175: Which of the following is the equation of the polynomial with roots at 0 and 3-√2
A)x^3+6x^2 -9x=0
B)x^3-6x^2 -7x=0
C)x^3+6x^2 +7x=0
D)x^3-6x^2 +7x=0
Click here to see answer by josgarithmetic(39617)

Question 1089179: If x>0 and x^y (x^1/2)=x^3/8
A)1/2
B)1/3
C)1/4
D)-1/8
Click here to see answer by stanbon(75887)

Question 1089181: If 12√12 =x√y where x and y are positive integers and x>y which of the following could be the value of xy?
A)32
B)48
C)72
D)102
Click here to see answer by stanbon(75887)

Question 1089174: The graph of 2y^4 -x^2 +11 =0 is symmetric with respect which of the following?
1. The x axis
2. The y axis
3. The origin
A)only 1
B)only 2
C)only 3
D)1,2, and 3
Click here to see answer by stanbon(75887)

Question 1089177: If 3^7x+6=27^3x, what's the value of x?
A)1
B)2
C)3
D)4
Click here to see answer by stanbon(75887)

Question 1089176: If 7=m^x, then 7m^2=?
A)m^2x
B)m^7x
C)m^x+2
D)m^x+7
Click here to see answer by stanbon(75887)

Question 1089132: In a survey of 540 art students 36% reported that their favorite color is green. What is the margin of error for the sample?
a. 5%
b. 7%
c. 4%
Click here to see answer by stanbon(75887)

Question 1089223: The graph of 2y^4 -x^2 +11 =0 is symmetric with respect which of the following?
1. The x axis
2. The y axis
3. The origin
A)only 1
B)only 2
C)only 3
D)1,2, and 3
Click here to see answer by rothauserc(4718)

Question 1089104: Find the sum of n term of the series.
1+4+13+40+........ .
Click here to see answer by KMST(5328)

Question 1089229: Evaluate this expression in radians: cot 1.
a. 0.7854
b. 1.5574
c. 0.6421

Click here to see answer by ikleyn(52781)

Question 1089229: Evaluate this expression in radians: cot 1.
a. 0.7854
b. 1.5574
c. 0.6421

Click here to see answer by MathLover1(20849)

Question 1089230: In a survey of 540 art students 36% reported that their favorite color is green. What is the margin of error for the sample?.
a. 5%
b. 7%
c. 4%
Click here to see answer by rothauserc(4718)

Question 1089236: A shopkeeper sells the good at 10% loss on cost price but uses 20% less weight. What is his percentage profit or loss?
Click here to see answer by Theo(13342)

Question 1089235: Three years ago the average age of a family of 5 members is 27 years. On the addition of a child to the family, the average age of the family is still 27 years. Find the present age of the child.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1089319: If sin(pi/2 -x)=0.35, what's cos x?
A).35
B).43
C).45
D).53
Click here to see answer by solver91311(24713)

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