Tutors Answer Your Questions about Systems-of-equations (FREE)
Question 278343: Systems of Equations
1. Solve the following problems for X and Y i these two system equations, and for X and Y and Z, in these three equations.
2. Make sure show your work step by step.
3. Fill the table:
Q# Equation 1: Equation 2 : Equation 3: X= : Y= : Z= :
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1. X+Y=7; X+2Y=11; none -- -- none
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2. 3X+7Y=24; 9X+5Y=24; none -- -- none
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3. 4X+Y=17; 2X+3Y=21; none -- -- none
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4. 18X+Y=42; 6X-3Y=-6; none -- -- none
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5. X+Y+2Z=5; X+Y=5; X+3Y+Z=11; -- -- --
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6. X+10Y+Z=52; 5X+Y+4Z=15; X+2Y-3Z=12; -- -- --
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7. 2X+2Y+4Z=10; 3X+3Y=15; 4X+12Y+4Z=44; -- -- -- ____________________________________________________________________________
4. What is the difference between system #5 and system #7?
Click here to see answer by Alan3354(30993)   |
Question 278099: 1.Solve the following problems fo X and Y in these two system equation, and for X and Y, in these three system equation. 2. Show your work step by step. 3. Fill the table:
Q# Equation 1 Equation 2 Equation 3 X= Y= Z=
1. X+Y=7 X+2Y=11 none ----- --- none
2. 3X+7Y=24 9X+5Y=24 none ----- --- none
3. 4X+Y=17 2X+3Y=21 none ---- ---- none
4. 18X+Y=42 6X-3Y=-6 none ---- ---- none
5. X+Y+2Z=5 X+Y=5 X+3Y+Z=11
6. X+10Y+Z=52 5X+Y+4Z=15 X+2Y-3Z=12
7. 2X+2Y+4Z=10 3X+3Y=15 4X+12Y+4Z=44
What is the difference between system #5 and system #7?
Click here to see answer by solver91311(16885)  |
Question 280271: TV History
X-File, Will & Grace, and Seinfeld are three of the most popular television shows of all time. The total number of episodes of these three shows is 575. THere are 21 more episodes of X-Files than Seinfeld, and the difference between the number of episodes of Will & Grace and Seinfeld is 14. Find the numebr of episodes of each show.
1. X + Y + Z = 575
2. X - Y = 21
3. X - Y = 14
I am not getting the answers of 201(x), 194(y), 180(z). Can you please assist in what I am doing wrong?
Click here to see answer by stanbon(57347) |
Question 281613: y= -1777 + 27,153 can be used to predict the number of y of gun deaths in the United States x years after 2000. That is x = 0 corresponds with 2000, x = 2 corresponds with 2002, x = 6 corresponds to 2006 and so on. Predict the number of gun related deaths in 2006 and 2008. In what year will the number of gun related death be 11,160?
Click here to see answer by Mathematicians(84)  |
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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
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