Questions on test answered by real tutors!

Algebra ->  Test  -> Lessons -> Questions on test answered by real tutors!      Log On


   



Tutors Answer Your Questions about test (FREE)


Question 165183: 36.) Show a complete solution to the problem.
Two positive numbers differ by 11, and their square roots differ by 1. Find the numers.

Click here to see answer by scott8148(6628) About Me 

Question 165236: 36.) Show a complete solution to the problem.
Two positive numbers differ by 11, and their square roots differ by 1. Find the numbers.

Click here to see answer by edjones(8007) About Me 
Question 165236: 36.) Show a complete solution to the problem.
Two positive numbers differ by 11, and their square roots differ by 1. Find the numbers.

Click here to see answer by josmiceli(19441) About Me 

Question 165245: 12.) Simplify each expression. Assume all variable represent positive numbers.
sqrt with in the sqrt is a small 4sqrt(32a^5y^8). I am not sure how to show the 4 it's inside the check of the square out side.

Click here to see answer by vleith(2983) About Me 

Question 165188: 10.) Solve by any method.
x-2- 8 sqart(x-2)+15=0

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

Question 165247: 37.) Show a complete solution to the problem.
If the perimeter of a rectangle is 20 feet and the diagonal is 2 sqrt (13) feet then what are the length and width?

Click here to see answer by stanbon(75887) About Me 

Question 165246: 24.) Rationalize the denominator and simplify.
Sqrt (6)/4sqrt (3+sqrt (2)

Click here to see answer by stanbon(75887) About Me 

Question 165244: 12.) Simplify each expression. Assume all variable represent positive numbers.
sqrt with in the sqrt is a small 4sqrt(32a^5y^8). I am not sure how to show the 4 it's inside the check of the square out side.

Click here to see answer by stanbon(75887) About Me 

Question 165186: 7.)Solve by completeing the square.
2x^2+x-6=0

Click here to see answer by nerdybill(7384) About Me 

Question 165267: I need help with the proof below. I provided the given and prove. and I answered #s 1 and 4 already, but how do I answer the middle two. I know the second one should be a given also, but how?
Given: 5(x+4)=40
Prove: x=4
Statements:
1. 5(x+4)=40
2. ?
3. ?
4. x=4

Reasons:
1.Given
2. ?
3. ?
4. Substitution Property

Click here to see answer by midwood_trail(310) About Me 

Question 165185: 37.) Show a complete solution to the problem.
If the perimeter of a rectangle is 20 feet and the diagonal is 2 squrt(13) feet then what are the length and width?

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

Question 165398: 114.) Area of a Triangle. Find the exact area of a triangle with a base of
sqrt(30)meters and a height of sqrt (6) meters.

Click here to see answer by nerdybill(7384) About Me 

Question 165400: 128.) Radius of a sphere. The radius of a sphere is given by the formula.
r = (0.75v/π)^1/3
Where V is its volume. Find the raduis of a spherical tank that has a volume of 32π /3 cubic meters.

Click here to see answer by Alan3354(69443) About Me 
Question 165400: 128.) Radius of a sphere. The radius of a sphere is given by the formula.
r = (0.75v/π)^1/3
Where V is its volume. Find the raduis of a spherical tank that has a volume of 32π /3 cubic meters.

Click here to see answer by Mathtut(3670) About Me 

Question 164911: 30.) Solve each equation and check for extraneous solutions.
sqrt(a-1 -5 = 1)

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

Question 165521: please explain how to reverse the FOIL method when factoring a polynomial of the form ax^2+bx+c when a=1. Please give an example so that I might understand better.
Click here to see answer by scott8148(6628) About Me 

Question 165603: Find two integers such that their product is the first numberand their sum is the second number.
32. 20, -9
36. 48, 16
40. -12, 1

Click here to see answer by oscargut(2103) About Me 

Question 164912: 32.)Solve each equation and check for extraneous solutions.
(3sqrt(w+1=6)

Click here to see answer by Mrs.moniek(1) About Me 

Question 165813: 28.) If the length of a rectangle is 3 feet longer that the width and the diagonal is 15 feet, then what are the length and width?
Click here to see answer by Mathtut(3670) About Me 

Question 165811: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is $8 for each football.
Click here to see answer by stanbon(75887) About Me 

Question 165905: 5.) Solve by using the quadratic formula.
x^2 + 6x + 6 = 0

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

Question 165911: 5.) If a ball is tossed into the air from a height of 6 feet with a velocity of 32 feet per second then its altitude at time t(in seconds) can be described by the function.
a(t) = - 16t^2 + 32t + 6
find the altitude of the ball at 2 seconds.

Click here to see answer by tutorcecilia(2152) About Me 

Question 165908: 9.) Solve by any method.
a^4 – 5a^2 + 4 = 0

Click here to see answer by tutorcecilia(2152) About Me 

Question 165907: 8.) Solve by any method.
x(x+1) = 12

Click here to see answer by Mathtut(3670) About Me 

Question 165904: 35.) Show a complete solution to each problem
Find the exact length of the side of a square whose diagonal is 3 feet.

Click here to see answer by midwood_trail(310) About Me 

Question 165903: 24.) Rationalize the denominator and simplify.
sqrt 6 /( 4 sqrt 3 + sqrt 2)

Click here to see answer by edjones(8007) About Me 

Question 165910: 14.) Graph each parabola. Identify the vertex, intercepts, and the maximum or minimum y – value.
f(x) = 16 – x^2

Click here to see answer by checkley77(12844) About Me 

Question 166022: 7.) Sketch the graph of each function or relation and state the domain and range.
y = {x) - 4

Click here to see answer by vleith(2983) About Me 

Question 166061: 10.2 94) sharing cost: The members of a flying club plan to share equally the cost of $200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by $2000. How many members are currently in the club?
Click here to see answer by gonzo(654) About Me 

Question 166031: 10.2 94) Sharing cost: The members of a flying club plan to share equally the cost of $200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by $2000. How many members are currently in the club?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 166033: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is $8 for each football.
This is the answer that it is showing r(q)= -150q^2 + 3000q, 14,400
Can you show me how they got this answer please.

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 166179: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is $8 for each football.
This is the answer that it is showing r(q)= -150q^2 + 3000q, 14,400
Can you show me how they got this answer please.

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 166178: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is $8 for each football.
This is the answer that it is showing r(q)= -150q^2 + 3000q, 14,400
Can you show me how they got this answer please.

Click here to see answer by Fombitz(32388) About Me 

Question 166435: Thomas is going to make an open - box by cutting equal squares from th four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the base is to be 80 square inches, then what size should be cut from each corner?
Click here to see answer by nerdybill(7384) About Me 

Question 166492: please help me solve this problem.
the area of a triangle is 13.5 meters. Find the base and height of the retangle
if its height is 6 meters greaster than it's base. Use an equation and the formula area of a triangle =0.5(base)(height).

Click here to see answer by nerdybill(7384) About Me 
Question 166492: please help me solve this problem.
the area of a triangle is 13.5 meters. Find the base and height of the retangle
if its height is 6 meters greaster than it's base. Use an equation and the formula area of a triangle =0.5(base)(height).

Click here to see answer by gonzo(654) About Me 

Question 166491: please help me solve
1) 6x^2+24x=2x^2-36
2) 3x^2-17x+20=0
for this one i got (x-6)(3x-5)
is this correct
3) x^2-36=0

Click here to see answer by stanbon(75887) About Me 

Question 166418: 84.)Gone Fishing. Debbie traveled by boat 5 miles upstream to fish in her favorite spot. Because of the 4 - mph current, it took her 20 minutes longer to get there than to return. how fast will her boat go in still water?
Click here to see answer by Alan3354(69443) About Me 

Question 166509: a picture is 1 inch longer than it is wide. it is put into a frame one half inch wider on every side. find the area of the picture if the frame area is eight inches squared.
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 164913: 96.) Find all real or imaginary solutions. use the method of your choice.
sqrt(7x+29=x+3)

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

Question 166715: please help me with this problem:
Multiply (a+b)(a^2+ab+b^2)

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

Question 166710: solve for W in the equation XW + Y = B / 4
show restrictions:

Click here to see answer by nerdybill(7384) About Me 

Question 166892: you invest $400. After one year, the total of the investment is $414.40. Use the formula A=P+Prt to find the annual simple interest rate for the investment, where A is the total of hte investment, P is the principal (amount invested), r is the annual simple interest rate, and t is the time in years.
Click here to see answer by checkley77(12844) About Me 

Question 167755: Find the area of a triangle whose base is 1.3 feet and whose height is 1.5 feet.
Click here to see answer by stanbon(75887) About Me 

Question 168459: What is 7/8 in decimal form?
Click here to see answer by jim_thompson5910(35256) 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, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650