Tutors Answer Your Questions about Equations (FREE)
Question 84686: 2 grandchildrenAn estate is to be distributed among a wife, three children, and two grandchildren. The children will recieve three times as much as each grandchild, and the wife will recieve four times as much as each child. If the estate amounted to $115,000, how much will person recieve?
Click here to see answer by tutor_paul(519)  |
Question 84686: 2 grandchildrenAn estate is to be distributed among a wife, three children, and two grandchildren. The children will recieve three times as much as each grandchild, and the wife will recieve four times as much as each child. If the estate amounted to $115,000, how much will person recieve?
Click here to see answer by checkley75(3666) |
Question 84801: Hello! I am reviewing my Algebra for this year and I am having difficulty solving this one problem. I am not sure if I need to use three variables or if I should do something else. Here is the problem:
Darrell has $2 less than five times as much money as Bob. Mary has as much money as Darrell and Bob together. If all three of them together have $80, how much money does Mary have?
~There is my question. It would be incredibly helpful if you helped me solve this. Thank you once again.
~ev10993@comcast.net
Click here to see answer by bucky(2189) |
Question 84845: B= F/(P-V)
in which
B= units sold to break even point
F=fixed costs
P= price per unit
V= variable costs
Network systems is introducing a new network card. Suppose Network systems knos its fixed costs are $600,000, its vaariable costs are $500 per card, and it must sell 15,000 cards to break even the first year. What is the minimum price per unit it should charge?
Click here to see answer by checkley75(3666) |
Question 85332: Solve. –6(x + 3) – 10 = 3(–2x – 5) – 13
Here is what I ahve
-6(3 + x) + -10 = 3(-2x + -5) + -13
(3 * -6 + x * -6) + -10 = 3(-2x + -5) + -13
(-18 + -6x) + -10 = 3(-2x + -5) + -13
-18 + -10 + -6x = 3(-2x + -5) + -13
-18 + -10 = -28
-28 + -6x = 3(-2x + -5) + -13
-28 + -6x = 3(-5 + -2x) + -13
-28 + -6x = (-5 * 3 + -2x * 3) + -13
-28 + -6x = (-15 + -6x) + -13
-28 + -6x = -15 + -13 + -6x
-15 + -13 = -28
-28 + -6x = -28 + -6x
-28 + 28 + -6x = -28 + 28 + -6x
-28 + 28 = 0
0 + -6x = -28 + 28 + -6x
-6x = -28 + 28 + -6x
-28 + 28 = 0
-6x = 0 + -6x
-6x = -6x
-6x + 6x = -6x + 6x
-6x + 6x = 0
0 = -6x + 6x
-6x + 6x = 0
Click here to see answer by mszlmb(115)  |
Question 85330: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
This is where I started with trying to make an equation then I gave up on that and tried doing it the old fashioned way of using my thinking skills and I came up with 17 as my answer. Is it right?
x>12
39=y(2x)
Click here to see answer by checkley75(3666) |
Question 85331: Solve. 10(–x – 7) + 20 = –5(2x + 4)
Here is what I ahve
10(-7 + -1x) + 20 = -5(2x + 4)
(-7 * 10 + -1x * 10) + 20 = -5(2x + 4)
(-70 + -10x) + 20 = -5(2x + 4)
-70 + 20 + -10x = -5(2x + 4)
-70 + 20 = -50
-50 + -10x = -5(2x + 4)
-50 + -10x = -5(4 + 2x)
-50 + -10x = (4 * -5 + 2x * -5)
-50 + -10x = (-20 + -10x)
-50 + -10x + 10x = -20 + -10x + 10x
-10x + 10x = 0
-50 + 0 = -20 + -10x + 10x
-50 = -20 + -10x + 10x
-10x + 10x = 0
-50 = -20 + 0
-50 = -20
Click here to see answer by jim_thompson5910(35256) |
Question 85398: Hello and thank you,
My question is..... can you give me step by step instructions on equations with two variables now for instance I can solve a question like this
x=2y when x=0 that is easy. My question is when the questions are like this....
2x +2y when y=2 what is throwing me off is the fact that it has a number in front of the letter in both? am I making any sense? I have searched the internet and connot find any sample question that have "when x=2" or when x=0 (not necessarily having to be those particular numbers)
can you help? I hope my question didnt confuse you?
here is a sample question that if you solve for me I can plug into to solve the rest of my home work
Sample question: 2x+2y=4 When x=4
PLEASE HELP ME IM SOOO CONFUSED
Thank you
Renee
Click here to see answer by bucky(2189) |
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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, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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