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Question 1173967: The weight of an object varies inversely as the square of the object's distance from the center of Earth. The radius of Earth is 3960 miles.
a. If an astronaut weighs 130 pounds on the surface of Earth, how much does she weigh 6,000 miles above the surface of Earth?
b. If a miner weighs 218 pounds on the surface of Earth, how much does he weigh 12 miles below the surface of Earth?
Click here to see answer by ikleyn(52747)

Question 1173966: The volume of a gas in a container at a constant temperature varies inversely as the pressure. The volume is 26 cubic centimeters at a pressure of 11 pounds. Use a proportion to find the pressure when the volume is 43 cubic centimeters.
Click here to see answer by ikleyn(52747)

Question 1173979: One number exceeds another by 7. The sum of the numbers is 83 . What are the numbers?

Click here to see answer by ikleyn(52747)

Question 1173968: the intensity I of illumination from a light source is inversely proportional to the square of the distance d from the source. Suppose the intensity is 320 candela at a distance of 10 feet from a light source.
a. What is the intensity at 2 feet from the source?
b. How far away from the source will the intensity be 400 candela?
a. the intensity of illumination is ____ at a distance of 2 feet from the source.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1174067: x=-10+-√10^2-4X5X7:2X5
Type an exact answer, using radicals and i as needed.
Click here to see answer by Alan3354(69443)

Question 1174143: A cargo service operates by running a ship between Port A and Port B, a distance of 70km, at a constant speed of V kilometres per hour. For a given V the cost per hour of running the ship is 9000 + 10V^2 dollars. Find the value of V which minimises the cost of the trip.
Click here to see answer by math_helper(2461)

Question 1174256: Legacy company invested a total of RM 50 000 into two projects A and B for a year. Project
A guarantees a return of 20% while project B provides 30% return after a year. Legacy
company receives a total of RM 12 360 after a year. Find the value of investment in each
project.
Click here to see answer by greenestamps(13195)

Question 1174581: 2x-3times2
Click here to see answer by greenestamps(13195)

Question 1174486: Albert would like to donate RM x to three relatives with nickname as P, Q and R. The ratio of
money received by P, Q and R is 3 : 4 : 2.
If Albert now has another new fund which is four times of RM x to be contributed among
them. R receives triple amount she has from beginning, while the ratio of money received
by P and Q is 4 : 5. Write the ratio of the money they have now among P, Q and R.
Click here to see answer by Theo(13342)

Question 1174652: y=n^-7n+12 when y=2

Click here to see answer by Alan3354(69443)

Question 1174933: Pleases help me to solve this equation:
If two people working together can do a job in three hours how long will it take the slower person to do the same job if one of them is 3 times as fast as the other
Click here to see answer by greenestamps(13195)

Question 1174932: Please help me solve this equation
The sum of two consectutive odd number is 32 and their product is 225 what are the two numbers?
Click here to see answer by ewatrrr(24785)

Question 1174932: Please help me solve this equation
The sum of two consectutive odd number is 32 and their product is 225 what are the two numbers?
Click here to see answer by greenestamps(13195)

Question 1174932: Please help me solve this equation
The sum of two consectutive odd number is 32 and their product is 225 what are the two numbers?
Click here to see answer by ikleyn(52747)

Question 1175009: Jane and Maria can clean the house in 2 hours if they work together. The time that Jane takes in cleaning the house alone is 3 hours more than the time Maria takes in cleaning the same house.
Define the variables
Thought Process
Equations
Solving equations
Answer
KINDLY PLEASE HELP ME TO SOLVE THIS..THANK YOU💜
Click here to see answer by Solver92311(821)

Question 1175013: the sum of a number and its reciprocal is 10/3. what is the number?
define the variable
thought process
equations
solving equation
answer
Click here to see answer by ikleyn(52747)

Question 1175057: Is "solving quadratic equation by extracting square roots" and "solving quadratic equation by factoring" the same?
Click here to see answer by Theo(13342)

Question 1175057: Is "solving quadratic equation by extracting square roots" and "solving quadratic equation by factoring" the same?
Click here to see answer by ikleyn(52747)

Question 1175016: jessie and mark are planning to paint the house together. jessie thinks that if he works alone, it would take him 5 hours more than the time mark takes to paint the entire house. working together, they can complete the job in 6 hours.
if mark can finish the job in m hours, how long will it take jessie to finish the job?
DEFINE VARIABLES
THOUGHT PROCESS
EQUATIONS
SOLVING EQUATIONS
ANSWER
KINDLY HELP ME FOR THIS ! THANK YOU💜
Click here to see answer by ankor@dixie-net.com(22740)

Question 1175048: a mathematically minded street trader with no overheads had found that the weekly volume of sales of a toy are approximately 100/p^2, where $p is the fixed price of the toy. The toy costs the trader $0.15.
(a) find the level of p which maximizes profit
Click here to see answer by greenestamps(13195)

Question 1175235: The polynomial 0.0053x^3 + 0.003x^2 + 0.108x + 1.54 gives the approximate total earnings of a company, in millions of dollars, where x represents the number of years since 1996. This model is valid for the years from 1996 to 2000. Determine the earnings for 2000. Round answer to 2 decimal places.

Click here to see answer by ikleyn(52747)

Question 1175238: A company manufactures microchips. Use the revenue function R(x) = x(74 - 5x) and the cost function C(x) = 120 - 15x to answer parts (A) through (D), where x is millions of chips and R(x) and C(x) are in millions of dollars. Both functions have domain 1 ≤ x ≤ 20.
(A) Form a profit function P, and graph R, C, and P in the same rectangular coordinate system.
For this question, I will need to see the entire work & calculations please.
Click here to see answer by ikleyn(52747)

Question 1175285: Solve the equation by extracting the square roots. List both the exact solution and its approximation rounded to two decimal places.
sqrt4Xsq = sqrt36
Click here to see answer by ewatrrr(24785)

Question 1175423: Write a quadratic function for solutions -2 and 3
Click here to see answer by ikleyn(52747)

Question 1175800: Graph the quadratic variation if g(x) varies directly with x^2, and g(x)=50 when x=10
Click here to see answer by josgarithmetic(39613)

Question 1175900: NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) = −4.9t^2 + 262t + 395.
Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? (Round to the nearest tenth.)
The rocket splashes down after ___ seconds.
How high above sea-level does the rocket get at its peak? (Round to the nearest tenth.)
The rocket peaks at ___ meters above sea-level.
Click here to see answer by ikleyn(52747)

Question 1175897: A person standing close to the edge on top of a 112-foot building throws a ball vertically upward. The quadratic function h(t) = −16t^2 + 96t + 112 models the ball's height about the ground, h(t), in feet, t seconds after it was thrown.
a) What is the maximum height of the ball?
(Round your answer to the nearest hundredths.)

b) How many seconds does it take until the ball hits the ground?
Click here to see answer by ikleyn(52747)

Question 1175921: Vertex (4,1) ; passing through (3,5)
Click here to see answer by CubeyThePenguin(3113)

Question 1175944: The height a rocket launched upward from a is launched upward from a cliff is modeled by the given equation. h=height, and t= time h = - 16t ^ 2 + 32t + 560, how long is the rocket in the air?
Click here to see answer by ikleyn(52747)

Question 1176087: I am really confused how to solve this problem, I appreciate any help.
The base of a triangle is 7 inches more than 4 times its height.
The area of the triangle is 568 square inches. What is the base length and height?
Click here to see answer by ikleyn(52747)

Question 1116530: Find f + g, f − g, f * g, and f/g.
Also specify the domain for each.
f(x) = −5x − 9, g(x) = −3x + 10
Click here to see answer by CubeyThePenguin(3113)

Question 1176185: Amanda wishes to purchase a pair of earphones for her brother in third week from now. She
surveys the price for similar earphones at two shops and she will buy the cheaper. Shop A
advertises the earphones at selling price RM x with discounts 8% and further reduction 20%
and this promotion lasts for three weeks. Shop B advertises the earphones at selling price 5%
cheaper than RM x always. Amanda decides to buy the earphone at shop B because shop B
will be running a promotion to sell the earphone at discount 10.5% and further reduction y%
in third week. Find the smallest value of y if y is an integer.
Click here to see answer by ewatrrr(24785)

Question 1113708: Determine analytically if the following functions are even, odd, or neither
a. f(x) = 5x ^3/(2x) b. f(x) = x ^2 + 3x + 2
Click here to see answer by CubeyThePenguin(3113)

Question 1176291: The square of a certain number is 112 less than 13 times the original number find the number
Click here to see answer by josgarithmetic(39613)

Question 1176533: franks pool measures 20 feet by 40 feet. frank has decided to surround his pool with a deck made from new paving stones .if the deck has a unifrom width around the entire pool , and the area of the combined pool and deck is 1500 square feet then what is the width of his deck? only is a algebracic soultion
Click here to see answer by Solver92311(821)

Question 1176558: find the quadratic equation whose roots are 0 and -3/2
Click here to see answer by ikleyn(52747)

Question 1176572: Find the quadratic function y=f(x) whose graph has a vertex (-4,4) and passes through the point (-8,0). Write the function in standard form.
Click here to see answer by MathLover1(20849)

Question 1176621: Find the quadratic function y=f(x) whose graph has a vertex (-3,2) and passes through the point (-1,0). Write the function in standard form.
Click here to see answer by ewatrrr(24785)

Question 1176619: passing through (3,5)
Click here to see answer by ewatrrr(24785)

Question 1176619: passing through (3,5)
Click here to see answer by MathLover1(20849)

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, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240