Tutors Answer Your Questions about Systems-of-equations (FREE)
Question 974493: Frank walks and jogs to his favorite coffe shop to study each weekend. He averages 3mph walking and 4mph jogging .the distance from his home to the coffee shop is 13 miles, and he makes the trip in 4hr. How long does frank jog?
Click here to see answer by lwsshak3(11628)  |
Question 974498: It takes a passenger train 3 hr less time than it takes a freight train to make the trip from Hugesville to boggstown. The passenger train averages 64km/h, while the freight train averages 32km/h. Find the distance from Hughesville to Boggstown. How far is it from Hughesville to Boggstown?
Click here to see answer by lwsshak3(11628) |
Question 978155: Find the partial fraction decomposition by setting up a system of equations and solving for A and B:
(7x-1)/((x+2)(x-3))= A/(x+2) + B/(x-3)
Is this as simple as solving for one variable then substituting for the other? Or is there something more to this that I am not understanding?
Click here to see answer by josgarithmetic(39613) |
Question 978331: Hi
I tried this problem and got the answer x=7 but I see the answer as x=-7. Which one is right?
16-4x=-2(x-1)
Also I would think twenty four subtracted from 3 times a number is 12. Written like this 24-3x=12 but again I see the answer as 3x-24=12. Which one is right?
Click here to see answer by solver91311(24713)  |
Question 979256: Use the p-value method and your calculator to test the following hypotheses. Make sure to
show all steps of the procedure.
Exercise 1
A park manager suggests that the average attendance for the 10 most popular national parks
last year was 6 million. The number of visits for the 10 most popular parks this year is shown
below. At α = 0.01, has the average attendance changed? The data are in millions of people.
4.7 17.2 14.0 6.1 6.1 4.9 9.3 9.4 6.4 6.1
Click here to see answer by Boreal(15235)  |
Question 982407: a large multiplex movie house has many theaters. the largest has 35 rows. there are 20 seats in the first row. each row has two seats more than the previous row. how many total seats are there in the theater??
thanks for the help
Click here to see answer by stanbon(75887) |
Question 982442: a stack of logs has 52 logs on the bottom layer. each subsequent layer has 10 fewer logs than the previous layer. if the top layer has two logs, how many total logs are there in the pile?
thanks for your help :)
Click here to see answer by ameanes(4) |
|
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
|
