Questions on Algebra in Finance answered by real tutors!

Tutors Answer Your Questions about Finance (FREE)

Question 1179371: Consider the circuit in the figure. The currents I1, I2, and I3 in amperes are given by the solution of the system of linear equations.
4I1 + 8I3 = 18
2I2 + 8I3 = 54
I1 + I2 − I3 = 0
Use Cramer's Rule to find the three currents.
I1 =
I2 =
I3 =

Click here to see answer by ikleyn(52781)

Question 1179370: A large region of forest has been infested with gypsy moths. The region is triangular, as shown in the figure. From vertex A, the distances to the other vertices are 28 miles south and 10 miles east (for vertex B), and 20 miles south and 28 miles east (for vertex C). Use a graphing utility to find the area (in square miles) of the region.
Click here to see answer by ikleyn(52781)

Question 1179373: Use a determinant to find an equation of the line passing through the points
(x, y).
(−2, 5), (4, 1)
Click here to see answer by ikleyn(52781)

Question 1179373: Use a determinant to find an equation of the line passing through the points
(x, y).
(−2, 5), (4, 1)
Click here to see answer by MathLover1(20850)

Question 1179379: Find the value(s) of y such that the triangle with the given vertices has an area of 8 square units. (Enter your answers as a comma-separated list.)
(−4, 5), (−3, 3), (−3, y)
Click here to see answer by ikleyn(52781)

Question 1179372: Find the value of y such that the points are collinear.
(−6, −4), (0, y), (−3, −3)
Click here to see answer by greenestamps(13200)

Question 1179391: A car uses 50 litres of fuel to complete a 400km along a highway.
How far will it go if it uses 20 litres?
Click here to see answer by ikleyn(52781)

Question 1179444: Maricar labeled each 26 small pieces of a paper distinct letter in the English alphabet she put it in a box if she will ask her brother Paulo to randomly pick a piece of paper from the box what is the probability that is
Click here to see answer by Edwin McCravy(20055)

Question 1179474: A large circular saw blade with a 1-foot radius ismounted so that exactly half of it shows above thetable. It is spinning slowly, at one degree per secondcounterclockwise. One tooth of the blade has beenpainted red. This tooth is initially 0 feet abovethe table, and rising. What is the height after 37seconds?After 237 seconds? After t seconds? Draw by hand agraph that shows how the height h of the red toothis determined by the elapsed time t. It is customaryto say that h is a function of t.
Click here to see answer by ikleyn(52781)

Question 1179464: List the Inverse of the Operations that were applied to y:

y3
−7
12

Click here to see answer by josgarithmetic(39617)

Question 1179604: 6% of all radios manufactured are defective, find the probability of selecting two radios in a row that are defective
Click here to see answer by ikleyn(52781)

Question 1179692: If the distance covered by an object in time t is given by s(t)=t^2+5t, where s(t) is in meters and t is in seconds, what is the distance covered in the interval between 1 second and 5 seconds?
a. 24 meters
b. 30 meters
c. 40 meters
d. 42 meters
e. 44 meters

Click here to see answer by mananth(16946)

Question 1179679: If sinA is known to be 0.96, then what can be said about cosA? What if it is also known that angle A
is obtuse?

Click here to see answer by ikleyn(52781)

Question 1179691: The area of the region under the curve of the function f(x) = 5x + 7 on the interval [1, b] is 88 square units, where b > 1.
the value of b is ?
Click here to see answer by MathLover1(20850)

Question 1179703: The ratio of AB to BC is 1:3. what is
the ratio of the shaded area to the
unshaded area in the figure?https://media.discordapp.net/attachments/742028999940767776/838939172383359016/unknown.png
Click here to see answer by ikleyn(52781)

Question 1179715: If f(x)=x/1+x, what is the value of f(x+h)?
a. x+h/1-x-h\
b. x+h/1+x+h
c. x-h/1+x-h
d. x/1+x-h
e. 1
Click here to see answer by MathLover1(20850)

Question 1179714: If f(x)=x^2/x+3, find f(x+h)
a. x^2+h^2+2hx/x+3+h
b. x^2+h^2/x+3+h
c. x^2+h^2+2hx/x+3
d. x^2/x+3+h
e. x^2+h^2+2hx/3+h
Click here to see answer by MathLover1(20850)

Question 1179747: the length of a rectangular garden is one more than thrice its width. If the area measures 80m2. what are the measures of its dimensions?
Click here to see answer by MathLover1(20850)

Question 1179748: the revenue R(in pesos) earned by a company toon the manufacture of m liters of an acid solution is R = m2-95m-500. How many liters of the acid solution should it manufacture to break even?
Click here to see answer by MathLover1(20850)

Question 1179746: when a ball is thrown straight up into the air. the formula h=vt-16t2 gives the height h of the object above ground after t seconds. Its initial velocity is given as v.
a) after how many seconds will the object hit the ground if it is thrown with a velocity of 96 feet per second?
b) what should be the initial velocity of the object if you want the ball to hit the ground in 10 seconds?
Click here to see answer by ewatrrr(24785)

Question 1179793: Consider the function f(x) = -x2 + 27x − 9.
The slope of the tangent line to f(x) at x = -9 is ?
The value of f(x) at x = -9 is ?
The y-intercept of the tangent line at x = -9 is ?

Click here to see answer by MathLover1(20850)

Question 1179797: A bacteria culture starts with 800 bacteria. Two hours later there are 1,280 bacteria. Find an exponential model for the size of the culture as a function of time t in hours.
f(t) =______

Correct: Your answer is correct.
Use the model to predict how many bacteria there will be after 2 days. (Round your answer to the nearest hundred thousand.)
_____ bacteria
Click here to see answer by josgarithmetic(39617)

Question 1179796: Identify the expressions with nonnegative limit values.
a. lim x-->3 x^2-10x+21/x^2
b. lim x-->3/2 2x^2-5x-12/2x+3
c. lim x-->2 x-2/x^2-2
d. lim x-->11 x^2+6x-187/x^2+3x-154
e. lim x-->3 x^2-8x+15/x-3
f. lim x-->5/2 2x^2+x-15/2x-5
Click here to see answer by MathLover1(20850)

Question 1179815: 6m^2+18mn+12n^2
Click here to see answer by greenestamps(13200)

Question 1179815: 6m^2+18mn+12n^2
Click here to see answer by josgarithmetic(39617)

Question 1179815: 6m^2+18mn+12n^2
Click here to see answer by ikleyn(52781)

Question 1179814: 2xy^3-3xy^2-18xy+27x
Click here to see answer by greenestamps(13200)

Question 1179814: 2xy^3-3xy^2-18xy+27x
Click here to see answer by josgarithmetic(39617)

Question 1179812: the length of a rectangular sheet of paper is 1 cm more than twice the width and the area of the rectangle is 55 square centimeters. find the dimensions of the rectangular sheet of paper
Click here to see answer by greenestamps(13200)

Question 1179811: ax^2+12ax+36a
Click here to see answer by greenestamps(13200)

Question 1179811: ax^2+12ax+36a
Click here to see answer by josgarithmetic(39617)

Question 1179813: a photocopier manufacturer finds that the revenue R in thousands of pesos from the sale of x photocopiers is given by R(x)=5x^2+x. if the cost C, in thousands of pesos, of producing x photocopiers is given by C(x)=4x^2+3x+3, how many photocopies must be produced and sold for the manufacturer to break even?
Click here to see answer by greenestamps(13200)

Question 1179838: Leah puts $3,000 into her savings account that earns 1.8% interest compounded quarterly.
a) What will the balance be after 5 years? Round to the nearest cent.
b) How many years will it take her to reach a balance of $4,000? Round to three decimal places.
Can you explain me this second homework question step-by step please? Thank you!

Click here to see answer by mananth(16946)

Question 1179839: Aaron wants to start a retirement fund that will have $500,000 in it when he retires in 25 years. He wants to achieve this goal by making semiannual (twice per year) payments into a fund that earns 9% interest compounded semiannually. How much should his payments be?
Round your final answer to the nearest cent.
Can you please explain to me this third homework question step-by step? Thank you once again!

Click here to see answer by Theo(13342)

Question 1179893: The number of gallons of fuel used on a trip varies directly with the number of miles traveled. If a trip of 200 miles required 12 gallons of fuel, how many gallons are required for a trip of 300 miles? Be sure to respond in a complete sentence that explains your answer in relation to the question.
Click here to see answer by ikleyn(52781)

Question 1179925: on may 5,the adventure ads borrowed cash P 5OO,00.00 from at lending corp. to purchase printing machine for his business amounting to P 120,00.00. illustrate the basic accounting equation.
Click here to see answer by ikleyn(52781)

Question 1179926: on may 15,the company rendered printing services for P 200,00.00 in cash and paid P 65,000.00 for his employee's salary. illustrate the expanded accounting equation at the end of the accounting period.
Click here to see answer by ikleyn(52781)

Question 1179934: Justin can run 10 km in the same amount of time that Leo can run 12 km. if Leo can run 1 kph faster than Justin, how fast can Leo run?
Click here to see answer by mananth(16946)

Question 1179935: using pipe A, a pool can be filled with water in 4 hours. Pipe B can drain the pool in 8 hours. if both pipes were accidentally open, how long would it take to fill the pool?
Click here to see answer by mananth(16946)

Question 1179933: using pipe A, a pool can be filled with water
Click here to see answer by ikleyn(52781)

Question 1179988: The minute hand of a clock is 10cm long. Through what exact distance does the tip move between 12:00pm and 12:20pm?
Click here to see answer by ikleyn(52781)

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