Tutors Answer Your Questions about Rational-functions (FREE)
Question 188986: I have done understand exponents could you. 1.A launched rocket has an altitude, in meters, given by the polynomial h = vt -4.9t 2nd power, where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched from the top of the tower 60 meters high with an initial upward speed of 30 meters per second, what its height be after 2 seconds?
Its height will be__ meters
(Round to the nearest tenth)
2. Add
(r-5s=2)+ (3r=4s) +(s=4)
3. Multipy
(3z-u)(7z + 5u)
4. Express using a positive exponent
1/ c-s
5. Convert to scientific notation
0.0000335
6. Convert to decimal notation
5.761 x 10 minus 8th power
7. The mass of Pluto is about 1.31 x 10 19th powers metric. The mass of the sun is about 1.988 x 10 27th power metric tons. About how many times the mass of Pluto is the mass of the sun? give your answer in scientific notation.
The mass of the sun is about ___times the mass of Pluto.
(Round to the nearest thousandth as needed. Use scientific notation. Use the multiplication system in the math palette as needed.)
8. Total revenue is the total amount of money taken in by business. An appliance firm determines that when it sells x washing machines, the total revenue, R, in dollars, is given by the polynomial R= 159.5x – 0.1x 2nd power. What is the total revenue from the sales of 112 washing machines?
The total revenue is $___
(Simplify your answer. Type an integer or a decimal.)
9. (3x +2)(3x +2)=
10. (-2x +3) (x +7)
help, been working on this all day.
Click here to see answer by solver91311(16885)   |
Question 189110: I have a problem where I have to write an equation in function notation using this slope -5/8 (3,2)
I know I need to use the y-y=m(x-x) and I get F(x)=-5/8x +17/8, but teh book has -5/8x+31/8. Where is teh 31 coming from?
Click here to see answer by josmiceli(9676)  |
Question 189136: This one is bogging me down. I need help.
Driving marathon. Felix drove 800 miles in x hours on Monday.
a) write a rational expression for his average speed.
b)On Tuesday, he drove for six hours at the same average speed. Write a rational expression for his distance on Tuesday.
Click here to see answer by stanbon(57342) |
Question 189137: Please help!
Barn painting. Jasmine can paint a certain barn by herself in x days. Her helper Mindy can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expression for x=5
Click here to see answer by stanbon(57342) |
Question 189172: Please help! I just started this class and it has been over thirty years. Could you check them over please!
1. (y-2)(y2^+2y+4) ___
Type the terms in descending order
(My Answer) y2-8
2. (x^6-11x 3^ +30) divide (x 3^-5)
3. (x 8^-3) + (x 8^ + 3)
Simplify your answer
( My answer) x16^
4. (x5^+4)(x+6)
Type the term in descending order)
( My answer)x6^ +6x5+4x+24
Click here to see answer by Alan3354(30993)  |
Question 189444: Need some help with this problem. 159.5-0.1x^2=159.5(112)-0.1(112)(112)= I multiply 159.9(112) and got 17,864 now I need to substitute x for 112 could you please explain substitute. The second problem. The mass of Pluto is about 1.31x10^19 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Pluto is the mass of the sun? Give your answer in scientific notation. The mass of the sun is about __ times the mass of Pluto. Round to the nearest thousandth as needed. Use scientific notation. Use the multiplication symbol in the math palette as needed. Could you explain scientific notation and math palette. Thank you!
Click here to see answer by Alan3354(30993) |
Question 189603: A jet flew from New york to los angeles, a distance of 4200km. the speed for the return trip was 100km/hr faster than the outbound speed. if the total trip took 13 hours, what was the speed from new york to los angeles.
Click here to see answer by nerdybill(6958)  |
Question 189706: I have a homework question on an oblique asymptote. The question is:
f(x)=x^2+5x-4 over x+2. I got the V.A. x=-2 and the O.A. y= x+3. I got my y=1x+3. My question is the graphing part. I do not know which direction to graph and plot the points. Can you please help me?
Click here to see answer by Edwin McCravy(8909)  |
Question 189865: Please help...
A swimming pool holds 540,000 liters of water. The pool has two drainage pipes. When the pool is completely full, the first pipe alone can empty in 150 minutes and the second pipe alone can empty in 225 minutes. Then both pipes are draining together, how long does it take them to empty the pool? _______minutes.
Click here to see answer by ptaylor(2048)  |
Question 189865: Please help...
A swimming pool holds 540,000 liters of water. The pool has two drainage pipes. When the pool is completely full, the first pipe alone can empty in 150 minutes and the second pipe alone can empty in 225 minutes. Then both pipes are draining together, how long does it take them to empty the pool? _______minutes.
Click here to see answer by josmiceli(9676) |
Question 190055: please note that when it says D(o) it means that the o is a little number kind of like a base number.
The lens equation for a camera is 1/F=1/D(i) +1/D(o) , where f is the focal length of the lens, D(i)is the distance between the lens and d(o) the film, and is the distance between the lens and the object. For a certain camera, an object that is 18 cm from the lens is in focus when the lens is 9 cm from the film. What is the focal length of the lens?
Click here to see answer by solver91311(16885) |
Question 190500: Could someone please tell me if these problems are correct. I am working on a test and I am unsure. Multiply and simplify. (7y)^7*(7y)^4 Answer y^11 s^3+14s^2+49s Answer s(s+7)^2 Simplify the expression (6^7)^4 Answer 10^21 Simplify: 1/3^-4 Answer 81. I am not sure about this can you explain d^3 when d=4. Please help! Thank you!
Click here to see answer by Alan3354(30993) |
Question 191112: The function, p(d) = 1 + d/33, gives the pressure, in atmospheres (atm), at a
depth d in the sea (d is in feet). Note that p(0) = 1 atm, p(33) = 2, and so on. Find the pressure at 120 feet. The pressure at 120 feet is ___ atm.
(type an integer or a simplified fraction)
Click here to see answer by solver91311(16885) |
Question 191110: The function H described by H(x) = 2.75x + 71.48 can be used to predict the height, in centimeters, of a woman whose humerus ( the bone from the elbow to the shoulder) is x cm long.
Predict the height of a woman whose humerus is 36 cm long.
The predicted height of a woman whose humerus is 36 cm long is____cm
Click here to see answer by solver91311(16885) |
Question 191335: I would really really appreciate any help I could get with the following.
R(x)=x^3-1/x^2-x-2
I know how to factor it, but need help with stating the domain and making a graph with labeled intercepts and asymtotes. Please help. Thanks.
Click here to see answer by stanbon(57342) |
|
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
|
