Tutors Answer Your Questions about Expressions-with-variables (FREE)
Question 119904: I would love someone to help me answer this question.
I need to write a equivalent expression to the following without parenthesis.
-(z+92) Would someone please explain to me how to do this. Thank you so much for any help given.
Click here to see answer by bucky(2189)  |
Question 119911: Find all values of x so that y = 0
y=5[x-(7-x)] - 9(x+1)
I have followed their minute details and still get it wrong - HELP
I've tried:
0=5[x-7+x] - 9(x+1) (distributive property in brackets)
0=5[2x-7] - 9(x+1) (combining likes in the bracket)
0=10x - 35 - 9x -9
0=x -44 ?????????
where am I going wrong?
Thanks - Nancy
Click here to see answer by Earlsdon(6287) |
Question 120021: Please help!! Been out of school 14 yrs...
Directions: Solve for the indicated variable.
1. 5x + y = 8;y <--- wanting to say do what??
And this one.
Directions:
Tell which equation you would use to isolate a variable. Explain your reasoning.
1. 3x - y = 5
2x + y = 0
I just don't get it!
Click here to see answer by stanbon(57290) |
Question 120244: A machine can produce a certain number of pages twice as fast as another
machine. Operating together these machines can produce this number of pages
in 8 minutes. How long would it take each machine, working alone, to produce
this number of pages?
Click here to see answer by Edwin McCravy(8906)  |
Question 120262: I have three prizes. the value of the second prize is five-sixths the value of the first prize, and the value of the third prize is four-fifths the value of the second prize.
I have to express the total value of the three prizes as an algebraic expression
Click here to see answer by checkley71(8403) |
Question 120245: One watering system needs about 3 times as long to complete a job as another watering system. When both systems operate at the same time, the job can be completed in 9 minutes. How long does it take each system to do the job alone?
Thanks.
Eli
Click here to see answer by stanbon(57290) |
Question 120278: a web designer is trying to put 4 characters on a page. the space occupied by character 2 takes 5 units more than character 1. character 3 takes 7 units less than character 2. character 4 takes the same amount of space as character 2. i have to find the total space occupied by all the characters in an algebraic expression
Click here to see answer by stanbon(57290) |
Question 120274: there are three prizes. the value of the second prize is five-sixths the value of the first prize. the third prize is four-fifths that of the second prize.
I have to express the total value of the three prizes as an algebraic expression.
Click here to see answer by stanbon(57290) |
Question 120809: Subtract: write your answer in simplest form.
y-2/y+3 subtract y/2y+6
a. y-2/y+3
b. y-4/2(y+3)
c. 3y-4/2(y+3)
d. y^2+y-12/(y+3)(2y+6)
I do not understand how to work the problem out to get the answer, I know the LCD is 2(y-3)(y+3). Please help me , thank you in advance.
Click here to see answer by ankor@dixie-net.com(15647)  |
Question 120972: I have been through all of my notes and have missed a lot of class sick. I need help figuring out
10x^4yz^3
_________
12x2yz7 I have no clue. Please explain how to work it and solve it
if possible
thank you
Click here to see answer by edjones(7569)  |
|
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
|
