Questions on Algebra in Finance answered by real tutors!

Tutors Answer Your Questions about Finance (FREE)

Question 1158944: A bank loaned out $13,500, part of it at the rate of 9% annual interest, and the rest at 13% annual interest. The total interest earned for both loans was $1,635.00. How much was loaned at each rate?
Click here to see answer by greenestamps(13200)

Question 1159088: A wooden artifact from an ancient tomb contains 35 percent of the carbon-14 that is present in living trees.
How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is 5730 years.)
Click here to see answer by josgarithmetic(39617)

Question 1159191: Rene invested part of his Php1,500,000 at 8% interest while the rest was invested at 4%. If his total income was Php75,000, how much did he invest at 8%?;
Click here to see answer by ikleyn(52781)

Question 1159205: How many kilos of peanuts worth Php40/kg and cashew nuts worth Php 120/kg should be mixed to produced 50kg of mixed nuts worth Php80/kg?
Click here to see answer by mananth(16946)

Question 1159236: A substance has a half-life of 52 days. If you have 113 grams initially, how much is left after 125 days?
Click here to see answer by ikleyn(52781)

Question 1159240: A bacteria population increases from 20,000 to 50,000 in 8 days. Find a formula for the number of bacteria after t days. What is the continuous rate of increase?
Click here to see answer by josgarithmetic(39617)

Question 1159241: The cost y (in dollars) to rent a limousine is proportional to number x of hours that the limousine is rented. It costs $165 to rent the limousine for 3 hours. Write an equation that represents the cost to rent a limousine for x hours.
Click here to see answer by josgarithmetic(39617)

Question 1159250: Write an equation of a line that passes through the point (-1,2) and is perpendicular to the line y=1/2x-3.
Click here to see answer by josgarithmetic(39617)

Question 1159250: Write an equation of a line that passes through the point (-1,2) and is perpendicular to the line y=1/2x-3.
Click here to see answer by Boreal(15235)

Question 1159250: Write an equation of a line that passes through the point (-1,2) and is perpendicular to the line y=1/2x-3.
Click here to see answer by MathLover1(20849)

Question 1159249: If the interest rate on a $5,000 loan is 10%, what is the total amount due (principal and compound interest) at the end of the loan if the interest compounds monthly for 3 years? (Round your answer to the nearest dollar.)
Click here to see answer by Boreal(15235)

Question 1159280: A car travelling at 60kph is ahead of car B By 80km. If car B wantsto catch up to car A in 1hr, how far should car B travel?
Click here to see answer by greenestamps(13200)

Question 1159248: If the interest rate on a $5,000 loan is 10%, what is the total amount due (principal and compound interest) at the end of the loan if the interest compounds annually for 3 years? (Round your answer to the nearest dollar.)
Click here to see answer by mananth(16946)

Question 1159321: An engineering research center claims that through the use of a new computer control system, automobiles should achieve, on average, an additional 3 miles per gallon of gas. A random sample of 100 automobiles was used to evaluate this product.The sample mean increase in miles per gallon achieved was 2.4, and the sample standard deviation was 1.8 miles per gallon. Test the hypothesis that the population mean is at least 3 miles per gallon. Find the p-value of this test, and interpret your findings.
Click here to see answer by Boreal(15235)

Question 1159246: You develope an app to help students complete their homework. To earn money, you sell advertising space on the app's main screen. An advertiser pays you $25 per month and an additional $0.0025 each time the app is opened. Graph the linear equation that represents the monthly income y (in dollars) when the app is opened x times.
Click here to see answer by Boreal(15235)

Question 1159441: Victoria draws one side of Eqalateral∆PQR 0N a coordinate plane at points P(-9,-2)and Q(-2,-2) ..WHAT IS THE PRIMETER TRIANGLE PQR ?
Click here to see answer by ikleyn(52781)

Question 1159439: Three side length of a right triangle are given .Which side length should you substitute tthe hypotenuse in the Pythagorean Therorem? Explain
Click here to see answer by ikleyn(52781)

Question 1159438: A triangular bookshelf has a base of 10 in 12 in and 18 inches. will the bookshelf fit in the corner of a square living room ? Explain
Click here to see answer by ikleyn(52781)

Question 1159453: At a uniform rate of 4 drops per section, water is dripping from a faucet. Assuming acceleration of each drop to be 9.81 m/s² and no air resistance, find the distance between two successive drops in mm if the upper drop has been in motion for 3/8 seconds.
Click here to see answer by ikleyn(52781)

Question 1159607: Katherine leaves home for school, riding her bicycle at a rate of 12miles/hr. Twenty minutes after she leaves, her mother sees Katherine's English paper on her bed and leaves to bring it to her. If her mother drives at 36miles/hr, how far must she drive before she reaches Katherine?
Click here to see answer by ikleyn(52781)

Question 1159643: Find the lateral area of a square pyramid with a base length of 7 feet and a slant height of 15 feet.
Click here to see answer by ikleyn(52781)

Question 1159720: If the numerator of a fraction is increased by 3, the fraction becomes 3/4. If the denominator is decreased by 7, the fraction becomes 1.
Click here to see answer by josgarithmetic(39617)

Question 1159712: Shown below is a muffin recipe that yields 36 muffins.
Doughnut Muffins
5 1/4 cups flour 1 cup oil
4 1/2 teaspoons baking powder 2 1/4 cups sugar
1 1/2 teaspoons salt 3 eggs
1 1/2 teaspoons nutmeg 2 1/4 cups milk
3/4 teaspoon cinnamon
Donna wants to make a batch of doughnut muffins that only yields 12 muffins. Modify the recipe for her, making sure to include new measurements of every ingredient.
Click here to see answer by josgarithmetic(39617)

Question 1159728: 4)Suppose the probability that a bit transmitted through a digital communication channel and received in error is 0.01. Assuming that the transmissions are independent events,
a) Find the probability that the first error occurs at the 8th bit.
b) Find the probability that the third error occurs at the 8th bit.
c) Find the probability that three or more errors occur among 100 transmitted bits.
Click here to see answer by Boreal(15235)

Question 1159764: A data set has mean of 75 and a standard deviation of 11.5. Find the z-score for each of the following :
A. X=95
Click here to see answer by rothauserc(4718)

Question 1159762: A data set has mean of 75 and a standard deviation of 11.5 find the z-score for each of the following :
A. X=85
Click here to see answer by Boreal(15235)

Question 1159761: The following table shows the number of prescriptions a doctor wrote each day for a 36-day period. Find the first, second, and Third quartile.
8 12 14 10 9 16
7 14 10 7 11 16
11 12 8 14 13 10
9 14 15 12 10 8
10 14 8 7 12 15
14 10 9 15 10 12
Click here to see answer by greenestamps(13200)

Question 1159642: Find the surface area of a cone with a radius of 6 and a height of 12 to the nearest whole number.
Click here to see answer by MathLover1(20849)

Question 1159642: Find the surface area of a cone with a radius of 6 and a height of 12 to the nearest whole number.
Click here to see answer by MathTherapy(10552)

Question 1159763: A data set has a mean of 75 and a standard deviation of 11.5 find the z-score for each of the following:
A. X=50
Click here to see answer by Boreal(15235)

Question 1159702: Plastic sheets produced by a machine periodically monitored for possible fluctuations in thickness. If the true variance in thicknesses exceeds 2.25 square milli- meters, there is cause for concern about product quality. Thickness measurements for random sample 10 sheets produced in a particular shift were taken, giving the following results (in millimeters): 226 226 232 227 225 228 225 228 229
a. Find the sample variance.
Click here to see answer by Boreal(15235)

Question 1159941: 150liters of water are poured into a cylindrical drum of diameter 48cm .Find the depth of water in the drum.
Click here to see answer by ikleyn(52781)

Question 1159946: solving system of equations by substitution y=1/3x-4 and y=-7/3x+4?
Click here to see answer by Theo(13342)

Question 1159946: solving system of equations by substitution y=1/3x-4 and y=-7/3x+4?
Click here to see answer by MathTherapy(10552)

Question 1159937: A swimming pool is 50m long and 25m wide.It is 1.2m deep at the shallow end and 2m deep at the other end.
Find 1)the volume of water in the pool when it is full.
2)the area of the pool which is in contact with the water.
Click here to see answer by Alan3354(69443)

Question 1159984: Find the area on the surface of a circular pond that has a diameter of 12m .

2] The pond is surrounded by path of width 2m if it costs 55dollar per meter square to pare the path with tiles find the cost.
Click here to see answer by Boreal(15235)

Question 1159647: Plastic sheets produced by a machine periodically monitored for possible fluctuations in thickness. If the true variance in thicknesses exceeds 2.25 square milli- meters, there is cause for concern about product quality. Thickness measurements for random sample 10 sheets produced in a particular shift were taken, giving the following results (in millimeters): 226 226 232 227 225 228 225 228 229
a. Find the sample variance.
Click here to see answer by Boreal(15235)

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