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Question 120675: Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have?
Click here to see answer by rapaljer(4671)

Question 120778: pls help

A slope passing through (9,15) and (2,y) is parallel to a line with slope 2. What is the value of y?
Click here to see answer by checkley71(8403)

Question 120677: A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100lb of a mixture that will sell for $11.25 per pound. How much of each type of bean should be used in the mixture?
Click here to see answer by ankor@dixie-net.com(22740)

Question 120805: A small firm produces both AM and AM/FM car radios. The AM takes 15h to produce, and the AM/FM radios take 20h. The number of production hours is limited to 300h per week. The plant's capacity is limited to a total of 18 radios per week and existing orders require that at least 4 AM radios and at least 3 AM/FM radios be produced per week. Write a system of inequalities representing this situation.
Click here to see answer by ankor@dixie-net.com(22740)

Question 120829: If the slop of a line is 4/5 and the y-intercept is 3, what is the linear equation in the slop-intercept form?
Click here to see answer by jim_thompson5910(35256)

Question 120848: 2x+y=7
2x-2y=-8
Could someone please help me?
Click here to see answer by checkley71(8403)

Question 120848: 2x+y=7
2x-2y=-8
Could someone please help me?
Click here to see answer by Dailey27(1)

Question 120848: 2x+y=7
2x-2y=-8
Could someone please help me?
Click here to see answer by Fombitz(32388)

Question 120834: A store can purchase shirts for $7 each. It has fixed costs of $2,500. Each shirt is sold for $18.
1. Write a linear equation for both cost and revenue.
2. Graph both cost line and revenue line.
3. Determine the break-even point.
4. If the store wants to make a profit of $2,000, how many shirts must it sell?
Textbook is McDougal Littell
Algebra 1
Chapter 5 Resource Book
Page 19
Click here to see answer by ankor@dixie-net.com(22740)

Question 120888: A pump removes 1000 gal of water from a pool at a constant rate of 50 gal/min.
a. Write an equation to find the amount of water y in the pool after t minutes.
b. Graph the equation and interpret the t- and the y-intercepts.
Click here to see answer by stanbon(75887)

Question 120898:
Given f(x)=5x^2-3x+1, find f(-2).
Click here to see answer by checkley71(8403)

Question 120901:
Graph f(x)=3x+2.
Click here to see answer by checkley71(8403)

Question 120905: Adult tickets for a play cost $20 and child tickets cost $8. If there were 33 people at a performance and the theater collected $468 from ticket sales, how many adults and how many children attended the play?
Click here to see answer by checkley71(8403)

Question 120918:
The difference of two numbers is 11. The second is 8 less than 2 times the first. What are the two numbers?
Click here to see answer by checkley71(8403)

Question 120928: I need help with the square root property
(y+2)2-49=0
Click here to see answer by stanbon(75887)

Question 120930: I need help with this
Amy travels 450 miles at certain speed. If the car had gone 15 mph faster, the trip would have taken 1 hour less. I need to find amy's speed.
Click here to see answer by ankor@dixie-net.com(22740)

Question 120943: I need help with this
1/5(2x+5)=x+2/3
Click here to see answer by stanbon(75887)

Question 120922: I need help with this problem
x(2x-3)=(2x+1)(x-4)
Click here to see answer by scott8148(6628)

Question 120922: I need help with this problem
x(2x-3)=(2x+1)(x-4)
Click here to see answer by edjones(8007)

Question 120914: A small company produces both bouquets and wreaths of dried flowers. The bouquets take 1 hour of labor to produce, and the wreaths takes 2 hours. The labor available is limited to 80 hours per week, and the total production capacity is 60 items per week. Write a system of inequalities representing this situation, where x is the number of bouquets and y is the number of wreaths. Then graph the system of inequalities.
Click here to see answer by ankor@dixie-net.com(22740)

Question 120975: 2x+y+z = 5
x+3z = 14
-2x-3y+2z = 2
Click here to see answer by madhan_math(34)

Question 121058: a roof rises 8.25 ft over a horizontal distance of 14.65 ft. what is the slope of the roof to the nearest hundredth?
Click here to see answer by MathLover1(20849)

Question 121051: Write the equation of the line with x-intercept(-5,0) and undefined slope. (a) y=-5 (b) x=-5 (c) y=-5x (d) x=0
Click here to see answer by rapaljer(4671)

Question 121053: 7.Graph the equations. (a) y=1/3x (b) y=3x (c) y=-1/3x (d) y=x+3
Click here to see answer by rapaljer(4671)

Question 121057: AN AIRPLANE COVERED 24 MILES OF ITS ROUTE WHILE DECREASING ITS ALTITUDE BY 36,000 FEET. FIND THE SLOPE OF THE AIRPLANE'S LINE OF DESCENT. ROUND TO THE NEAREST HUNDREDTH. 1 MI = 5280 FT
Click here to see answer by MathLover1(20849)

Question 121050: Determine which two equations represent perpendicular lines. (a)y=3/8x-4 (b) y=4x-3/8 (c) y=-1/4x+3/8 (d) y=1/4x-3/8
Click here to see answer by mpowell31(2)

Question 121099: I need help with this problem. Find an equation of the line containing the given pair of points. Express your answer in the form x=a, y=b, or y=mx+b
(0,0) and (4,7)
what is an equation of the line?
y=__________
Thank you in advance for your help
Click here to see answer by stanbon(75887)

Question 121096:
Find the equations of the lines that pass through the point (2,8) and are parallel to and perpendicular to the line with equation y+7x=6
Click here to see answer by checkley71(8403)

Question 121199: are these parallel, perpendicular or both?
3y+x=6 and 2y-6x=12
Click here to see answer by stanbon(75887)

Question 121210: This is the problem 4y-8=2y+14. Here's what i did to try to solve.
4y-8=2y+14
4y+2y=8-14
6y=6
Click here to see answer by jim_thompson5910(35256)

Question 121223: 9-3w+w=13 i need help with this
Click here to see answer by jim_thompson5910(35256)

Question 121293: Given g(x)=-x+4, find g(2a).
Click here to see answer by solver91311(24713)

Question 121294: One number is 12 more than another. The sum of the smaller and twice the larger is 39. Find the larger number.
Click here to see answer by solver91311(24713)

Question 121238: Find the value of k so that the line (2+k)x + (2-k)y=15 has slope 3/2
Click here to see answer by Nate(3500)

Question 121308: Determine Slope and y intercept of line represented by each equation
3x+y=4 and graph the line using the slope and y intercept. Please explain how to do.
Click here to see answer by jim_thompson5910(35256)

Question 121295: Solve the following system of linear inequalities by graphing.
x-3y>6
3x+2y>12
Click here to see answer by jim_thompson5910(35256)

Question 121333: Write an equation of a line pependicular to y= -1/4x +5
Click here to see answer by MathLover1(20849)

Question 121307: state weather the system has one solution, infinitely many solutions, or no solution.
3x+7y=2
6x+14y=4

4x+5y=3
6x+9y=9
6x+11y=12
12x+22y=10
0.3x+0.7y=1.2
6x+14y=24
Click here to see answer by Edwin McCravy(20055)

Question 121339: solve 5x + 4y = 12 for y What does 12 for y mean? What is the slope and y intercept of this line? What is the corresponding value of y when x=16.

5x + 4y = 12 for y

Click here to see answer by Edwin McCravy(20055)

Question 121404: 1/6(5s+3)=1/2(s+11)

1/6(2c-1)=1/3c-1/6
Click here to see answer by stanbon(75887)

Question 121405: please help me solve the following: -5(x+2)+3=5
Click here to see answer by checkley71(8403)

Question 121422: Solve the system by graphing

x-y=5 x+y=3
Click here to see answer by checkley71(8403)

Question 121424: Solve the system by addition
x+y=1
x-y=3
Click here to see answer by checkley71(8403)

Question 121427: Find the slope of the line passing through the points (10, �4) and (�3, �6).
Click here to see answer by checkley71(8403)

Question 121434: x+6=2x+5
Click here to see answer by checkley71(8403)

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, 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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, 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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, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045