Questions on Algebra in Finance answered by real tutors!

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Question 1187746: 2x+3y=45
5x-4y=32

Click here to see answer by josgarithmetic(39617) About Me 

Question 1187744: Sam Long anticipates he will need approximately $226,800 in 15 years to cover his 3-year-old daughter’s college bills for a 4-year degree.
How much would he have to invest today at an interest rate of 8% compounded semiannually? (Use the Table provided.) (Do not round intermediate calculations. Round your answer to the nearest cent.)



Click here to see answer by Theo(13342) About Me 

Question 1187753: a cashier has 94 bills of $5 bills and $100 bills. The total in the drawer is $5030. How bills of each does he have?

Click here to see answer by Alan3354(69443) About Me 

Question 1187764: Sharon worked on a straight 9% commission. Her friend worked on a salary of 850$ plus a 6% commission. In a particular month, they both sold 22,500$ worth of merchandise. How much did Sharon earn for this month?
Click here to see answer by ikleyn(52781) About Me 
Question 1187764: Sharon worked on a straight 9% commission. Her friend worked on a salary of 850$ plus a 6% commission. In a particular month, they both sold 22,500$ worth of merchandise. How much did Sharon earn for this month?
Click here to see answer by greenestamps(13200) About Me 

Question 1187593: If the cost of producing each unit of product A is 50 Php and the selling price for each unit of product A is 50 Php and the selling price for each unit is 150 Php. By using the revenue and cost functions method, how much profit (loss) is earned by the business if it is sold 500 units of Product A?
Click here to see answer by ikleyn(52781) About Me 

Question 1187794: A rectangular playground has a walkway around it with a width of (x-2)m. The rectangular playground is 36 m by 20 m.
Find an expression for the combined area of the playground and the walkway around it.

Click here to see answer by josgarithmetic(39617) About Me 

Question 1187802: https://ibb.co/LgXBj02
Click here to see answer by MathLover1(20849) About Me 

Question 1187862: The cantlever ABC shown in Figure 1 is of uniform croos-section and is
subjected to a uniformly distributed load over one-hal of the span. Determine the
deflection of the cantilever at C. [Ans.: 7wL4
/384EI]

Click here to see answer by ikleyn(52781) About Me 

Question 1187864: A horizontal cantilever of length L supports a load W, uniformly ditributed
along its length. The cantilever is propped to the level of the fixed end at a distance
3/4
𝐿𝐿 from that end. Determine the load on the prop. [Ans.: 0.593W]

Click here to see answer by ikleyn(52781) About Me 

Question 1187863: A horizontal cantilever of length L supports a load W, uniformly ditributed
along its length. The cantilever is propped to the level of the fixed end at a distance
3
4
𝐿𝐿 from that end. Determine the load on the prop. [Ans.: 0.593W]

Click here to see answer by ikleyn(52781) About Me 

Question 1187861: A cantilever of uniform section is 3 m long. It is rigidly fixed at one end and
is propped to the same level as the fixed end by a rigid prop 1 m from the free end.
The cantilever carries a load which varies uniformly from 60 kN/m at the fixed end
to zero at the free end. Calculate the load on the prop and the maximum positive
and negative moments.

Click here to see answer by ikleyn(52781) About Me 

Question 1187873: The length l of a violin string varies inversely as the frequency f of its vibrations. A violin
string 14 inches long vibrates at a frequency of 450 cycles per second. Find the equation of variation.
Find the frequency of a 12 - inch violin string.

Click here to see answer by ikleyn(52781) About Me 
Question 1187873: The length l of a violin string varies inversely as the frequency f of its vibrations. A violin
string 14 inches long vibrates at a frequency of 450 cycles per second. Find the equation of variation.
Find the frequency of a 12 - inch violin string.

Click here to see answer by Alan3354(69443) About Me 

Question 1187875: The current I varies directly as the electromotive force E and inversely as the resistance R. If a
current of 33 amperes flows through a system with 22 ohms resistance and electromotive force of
220 volts, what is the equation of variation? Find the current if the electromotive force of 200 volts with
the same resistor will send through the system.

Click here to see answer by Alan3354(69443) About Me 

Question 1187876: For a certain gas enclosed in a container of fixed volume, the pressure P (in newtons per square
meter) is directly proportional to the temperature T (in Kelvin). If the pressure is found to be 100
newtons per square meter at a temperature of 300 Kelvin, find the equation of variation. Find the
temperature when the pressure is 120 newtons per square meter.

Click here to see answer by Alan3354(69443) About Me 

Question 1187887: The perimeter of a triangle is 39cm. Two sides have the same length. The remaining side is 9cm less than twice the length of either of the other sides. Find the length of the sides of the triangle

Click here to see answer by josgarithmetic(39617) About Me 

Question 1187904: Hansel and gretel each have a cylindrical canister of pringles hansel cylinder has a diameter of 7 inches and a height of 13 in gretels cylinder has a diameter of 5 inches and a height of 20 in whose highlander has a larger surface area .Use π=3.14
Click here to see answer by Alan3354(69443) About Me 

Question 1187905: Hansel and gretel each have a cylindrical canister of pringles hansel cylinder has a diameter of 7 inches and a height of 13 in gretels cylinder has a diameter of 5 inches and a height of 20 in whose highlander has a larger surface area .Use π=3.14

Click here to see answer by Alan3354(69443) About Me 

Question 1187909: How do I determine the increasing and decreasing intervals of:
f(x)=4(x-4)^2-9

Click here to see answer by ikleyn(52781) About Me 

Question 1188024: Put the equation
y=x2-8x+7 into the form y=(x-h)2+k
y=

Click here to see answer by josgarithmetic(39617) About Me 
Question 1188024: Put the equation
y=x2-8x+7 into the form y=(x-h)2+k
y=

Click here to see answer by Solver92311(821) About Me 

Question 1188026: Write an equation for a rational function with:
Vertical asymptotes at x = -1 and x = 3
x-intercepts at x = -5 and x = -4
y-intercept at 7
y =

Click here to see answer by greenestamps(13200) About Me 
Question 1188026: Write an equation for a rational function with:
Vertical asymptotes at x = -1 and x = 3
x-intercepts at x = -5 and x = -4
y-intercept at 7
y =

Click here to see answer by Solver92311(821) About Me 

Question 1188025: Given the function
C(r)=(r-5)(-12r+1)3(r-2)5
its roots are
and their multiplicities are

Click here to see answer by greenestamps(13200) About Me 

Question 1188041: The posted results of a recent high school swim meet state that 24 individuals placed, earning a combined total of 53 points. First place earned 3 points, second place earned 2 points, and third place earned 1 point. There were as many first-place finishers as second-place and third-place finishers combined.
a. Write a system of three equations that represents how many people finished in each place.
b. How many swimmers finished in first place, in second place, and in third place?
c. Suppose that the athletes scored a combined total of 47 points. Explain why this statement is false and the
solution is unreasonable.

Click here to see answer by ikleyn(52781) About Me 
Question 1188041: The posted results of a recent high school swim meet state that 24 individuals placed, earning a combined total of 53 points. First place earned 3 points, second place earned 2 points, and third place earned 1 point. There were as many first-place finishers as second-place and third-place finishers combined.
a. Write a system of three equations that represents how many people finished in each place.
b. How many swimmers finished in first place, in second place, and in third place?
c. Suppose that the athletes scored a combined total of 47 points. Explain why this statement is false and the
solution is unreasonable.

Click here to see answer by josgarithmetic(39617) About Me 

Question 1188040: Cara wants to invest $16,000 in certificates of deposit (CDs). For tax purposes, she wants her total interest per year to be $900. She wants to put $1000 more in a 2-year CD than in a 1-year CD and invest the rest in a 3-year CD. How much money should she invest in each type of CD?
_________________________________________
| Number of Years: 1 | 2 | 3 |
| ________________________|______|______|
| Rate of Interest: 3.0% | 5.0% | 6.0% |
|_________________________|______|______|

Click here to see answer by ikleyn(52781) About Me 

Question 1188049: 1.When the market price is $4, producers will not be willing to furnish any units of the product, but for each $1 increase in price, producers will be willing to supply an additional 12 units. Assuming a linear relationship, find the (inverse) supply equation
2.Supplier of bicycles will make 200 bicycles available in the market per month when the unit price is $50, and 2,000 bicycles available per month when the unit price is $100.
A) Find the (inverse) supply equation if it is known to be linear.
B) Find the price at which the supplier will stop supplying bicycle.
C) What happens to the quantity supplied of bicycles at the price of $40 ?
3.Producer will make 2,000 refrigerators available when the unit price is $330. At a unit price of $390, 6,000 refrigerators will be marketed.
A) How many refrigerators will be marketed when the price is $450 ?
B) At or below what price will a refrigerator not be marketed ?

Click here to see answer by ikleyn(52781) About Me 

Question 1188052: 3.Producer will make 2,000 refrigerators available when the unit price is $330. At a unit price of $390, 6,000 refrigerators will be marketed.
A) How many refrigerators will be marketed when the price is $450 ?
B) At or below what price will a refrigerator not be marketed ?

Click here to see answer by ikleyn(52781) About Me 

Question 1188051: 2.Supplier of bicycles will make 200 bicycles available in the market per month when the unit price is $50, and 2,000 bicycles available per month when the unit price is $100.
A) Find the (inverse) supply equation if it is known to be linear.
B) Find the price at which the supplier will stop supplying bicycle.
C) What happens to the quantity supplied of bicycles at the price of $40 ?

Click here to see answer by ikleyn(52781) About Me 

Question 1188050: 1.When the market price is $4, producers will not be willing to furnish any units of the product, but for each $1 increase in price, producers will be willing to supply an additional 12 units. Assuming a linear relationship, find the (inverse) supply equation
Click here to see answer by ikleyn(52781) About Me 

Question 1188075: Motorcycle A and B leave the same place and travelling in opposite directions. If motorcycle A is travelling at 25 kph and motorcycle B is travelling at 35 kph, in how many hours will they be 120 kilometers apart?
Click here to see answer by ikleyn(52781) About Me 

Question 1188080: How many liters of water must be added to 40 liters of a 30% salt solution to produce a 25% salt solution?
Click here to see answer by ikleyn(52781) About Me 

Question 1188081: Fatty is three years younger than Annie. Annie is twice as old as Mitch. The sum of their ages is 42. How old each?
Click here to see answer by ikleyn(52781) About Me 
Question 1188081: Fatty is three years younger than Annie. Annie is twice as old as Mitch. The sum of their ages is 42. How old each?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1188074: Good Day Online Tutors ! Please help me. Thank you☺
When a length of a certain rectangle was decreased by 5cm and the width was increased by 5cm, the resulting figure was a square with a perimeter of 64 centimeters. Find the dimensions of the original rectangle.

Click here to see answer by ikleyn(52781) About Me 

Question 1188077: The value of the ones digit of a three-digit number is the sum of the hundreds and and tens digit. The difference between the hundreds and tens digit is 6. If the order of the digits is reversed, the resulting number is 99 more than the original number. Find the original number.
Click here to see answer by josgarithmetic(39617) About Me 
Question 1188077: The value of the ones digit of a three-digit number is the sum of the hundreds and and tens digit. The difference between the hundreds and tens digit is 6. If the order of the digits is reversed, the resulting number is 99 more than the original number. Find the original number.
Click here to see answer by greenestamps(13200) About Me 

Question 1188072: Good Day Online Tutors. Can you please help me about this problem ? Thank you☺
Kageyama has 3,000 pesos consisting of 20 pesos, 50 pesos, 100 pesos and 200 peso bills. The number of 20 peso bills is the same as the number of 100 peso bills. The number of 200 peso bills is twice the number of 100 peso bills. The number of 50 peso bills is three more than the number of 20 peso bills. How many each type of bill does he have?

Click here to see answer by ikleyn(52781) About Me 

Question 1188076: Find four consecutive odd integers such that the sum of the first and second odd integer is twelve more than one-half of the sum of the third and fourth odd integer.
Click here to see answer by josgarithmetic(39617) About Me 

Question 1188078: Suppose f varies directly as the square of m, and inversely as j. Also, if f=36 when m=2 and j=10. Find f, if m=4 and j=6.
Click here to see answer by Theo(13342) About Me 

Question 1188082: James can build a dog house by himself in 4 days. Rodel can build the same dog house by himself in 8 days. How long could it take them to build a dog house if they work together?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1188079: When the minute hand is seven minutes behind the hour hand, what time is it between 5 and 6 o'clock?
Click here to see answer by Edwin McCravy(20055) About Me 

Question 1187716: A study is conducted to estimate the mean completion time of a task to within 3 minutes 6 seconds of the population mean. Suppose completion time is normally distributed with a standard deviation of 9 minutes 3 seconds. What minimum sample size is required at the 90.9% confidence level?
You must use a critical z value rounded to two (2) decimal places.
Do not round other intermediate results. Report final answer as an integer.
Minimum sample size required =

Click here to see answer by Theo(13342) About Me 

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