Tutors Answer Your Questions about expressions (FREE)
Question 1053899: The demand equation for the Schmidt-3000 fax machine is , where x is the quantity demanded per week and p is the unit price in dollars. The supply equation is , where x is the quantity the supplier will make available in the market when the unit price is p dollars. Find the equilibrium quantity and the equilibrium price for the fax machines.
a. 450, =$500
b. 600, =$200
c. 500, =$400
d. 400, =$600
e. 550, =$300
Please explain. Thank you!!
Click here to see answer by MathTherapy(10555)  |
Question 1054269: Let U={1, 2, 3, 4, 5, 6, 7, 8, 9} and A={1}. Find the set Ac
a. {2, 3, 4, 5, 6, 7, 8, 9}
b. {1, 2, 3, 4}
c. {2, 4, 6, 8, 9}
d. {2, 3, 4, 5, 6, 7, 8}
Thank you
Click here to see answer by stanbon(75887) |
Question 1054314: Let U denote the set of all senators in Congress. Let
D= {x∈U| x is a Democrat}
R= {x∈U| x is a Republican}
F= {x∈U| x is a female}
L= {x∈U| x is a lawyer}
Write the set that represents the following statement:
The set of all Republicans who are female and are lawyers.
a. R ∪ (F∪L)
b. D ∪ (F∩L)
c. D ∩ (F∪L)
d. R ∩ (F∩L)
I think the answer is (a) but I'm not sure. Please help. Thank you
Click here to see answer by ikleyn(52832)  |
Question 1054320: Find the smallest possible set (that is, the set with the least number of elements) that contains the given sets as subsets.
{Audi, Volkswagen, Volvo}, {Daimler-Benz, Toyota, Porche}
a. {Audi, Volkswagen, Volvo}, {Daimler-Benz, Toyota, Porche}
b. {Daimler-Benz, Toyota, Porche}
c. {Audi, Volkswagen, Volvo}
d. {Ø}
I think the answer is a, but I'm not sure. Please Help. Thank you.
Click here to see answer by Fombitz(32388)  |
Question 1054833: An exam consists of nine true-or-false questions. Assuming that every question is answered, in how many different ways can a student complete the exam? In how many ways may the exam be completed if a penalty is imposed for each incorrect answer, so that a student may leave some questions unanswered?
a. 129; 587
b. 637; 38,777
c. 587; 14,685
d. 146; 7,159
e. 512; 19,683
f. 161; 11,858
Thank you
Click here to see answer by Boreal(15235)  |
Question 1054859: In a survey of 380 households regarding the ownership of VCRs and DVD players, the following data was obtained:
350 households own one or more VCRs.
180 households own one or more VCRs and one or more DVD players.
13 households do not own a VCR or a DVD player.
How many households only own one or more DVD players?
20 households
29 households
19 households
16 households
17 households
30 households
Please explain. thank you
Click here to see answer by Edwin McCravy(20060)  |
Question 1054959: Let U={1, 2, 3, 4, 5, 6, 7, a, b, c, d, e}. If A={1, 3, b, c} and B={2, 4, 5, 7, b, c, e}, find n(Ac).
7
2
8
3
19
11
Please help. Thank you
Click here to see answer by ikleyn(52832)  |
Question 1055309: Hello, I have atempted to solve some algebraic problems in word problems. Can anyone help a assist me? A Web music store offers two versions of a popular song. The size of the standard version is 2.1 megabytes (MB). The size of the high-quality version is 4.8MB. Yesterday, there were 1210 downloads of the song, for a total download size of 3540MB. How many downloads of the high-quality version were there?
3540mb = 2.1mb(x) + 4.8mb(y)
X + y = 1210
Click here to see answer by Alan3354(69443)  |
Question 1055408: Can anyone please assist with this question? A desk is on sale for 35% off. The sale price is $507. What is the regular price?
My intial thoughts were to create this equation 35/100 = 507/X however I know this is wrong.
Click here to see answer by addingup(3677)  |
Question 1055992: The period of a pendulum, T, is known to be a function of the length, L, ie, T=2pi(sqr(L/9.8)) where T is measured in seconds and L is measured in meters. Find T(9.8) in terms of pi.
What do you substitute in this equation? Thanks!
Click here to see answer by Alan3354(69443)  |
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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, 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
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