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Question 534956: (5, 1) is a solution to the equation 2x-3y=7. What does this mean?
Click here to see answer by mananth(12270)

Question 534983: a rectangular auditorium seats 2184 people.The number of seats in each row exceeds the number of rows by 17. find the number of seats in each row
Click here to see answer by fcabanski(874)

Question 535041: A ferris wheel is 40 meters in diameter and boarded at ground level. The wheel makes one full rotation every 8 minutes, and at time you are at the 9 o'clock position and descending. Let denote your height (in meters) above ground at minutes. Find a formula for .
Click here to see answer by Alan3354(30993)

Question 535026: A plane traveled 624 miles to Perth and back. The trip there was with the wind. It took four hours. The trip back was into the wind. The trip back took 6 hours. What is the speed of the plane in still air? What is the speed of the wind?
I really need help on this one and would be so greatful to anyone that would show me the answer.
Click here to see answer by mananth(12270)

Question 535144: A motor boat travels 30 miles up a river and returned a distance of 27 miles. The entire trip takes 5 hours. If the rate of the motor in still water is 12 mph, find the rate of the current of the river.
Click here to see answer by stanbon(57328)

Question 535234: The problem I need to solve is as follows:
There are two doctors who do the induction physicals at A.A.A.A. Each one does half of the exams. One can do 4 exams/hour and the other, 5/hour. It took them a total of 36 hours to do the exams for all of the prisoners in this week's convoy. How long did it take the slower doctor to do his half of the exams?

I tried this:
4x + 5x = 36
+5x
11 11x/11 = 36/11
Thanks!

Click here to see answer by scott8148(6628)

Question 535357: The length of a rectangle is 1 cm less than three times the width. The area of the rectangle is 44cm^2. Find the dimensions.
Click here to see answer by oberobic(2304)

Question 535427: A local hamburger shop sold a combined total of 697 hamburgers and cheeseburgers on Thursday. There were 53 fewer cheeseburgers sold than hamburgers. How many hamburgers were sold on Thursday?
Click here to see answer by oberobic(2304)

Question 535504: One number exceeds a number by 26. The sum of the numbers is 64. What are the numbers?
Click here to see answer by Iluvidina(15)

Question 536005: a commercial jet and a private airplane leave the same airfield at the same time and travel in opposite directions at average speeds of 880 km/hr and 450 km/hr respectively. In how many minutes will they be 1463 km apart?
Click here to see answer by mananth(12270)

Question 535962: How many guest were present at a Mexican fiesta if every two guest shared fajitas, every three guest shared a plate of nachos,every four guest shared a bowl of refried beans, and there were 65 dishes all together?
Click here to see answer by josmiceli(9672)

Question 536077: Eddie and Marco are working on a landing pad for their ultra light air craft that will be 10 feet longer than the width. If the area of the landing pad is to be 1200 square feet, find the length and the width.
(here's what I worked out and g got wrong: x=width in feet x+10 = length x^2 +10x+1200
x^2+10x+25=1200+25
(x+5)^2 +25 =1225
x+5 = plus or minus the square root of 1225 =35
x+5 = plus or minus 35
x= -5 plus or minus 35 ! ) help!
Click here to see answer by scott8148(6628)

Question 536215: if you start from 2 and keep multypling by 2 what is the 100 term

Click here to see answer by Earlsdon(6287)

Question 536292: The traditional French greeting is to kiss the other person on each cheek. So, when two traditional French friens meet, one kisses the second on both cheeks and the second person kisses the first on both cheeks. Write a formula for the total number of kisses, k in terms of the number of friends, f.
I am so lost as to how to start. Thanks in advance for any help.
Click here to see answer by fcabanski(874)

Question 536331: A theme that has run throughout our class is that mathematicians can sometimes make accurate predictions when they are not given enough information to do so. Here is one example: If you select any fraction what so ever, I can predict that if you square that fraction, you will not get exactly 2. Please explain how I know this and then give two other examples if this sort of phenomena that we have considered. please state them clearly and explain how you know you are correct. you may quote Theorems rather than giving proofs.
Click here to see answer by Alan3354(30993)

Question 536472: Joe has a collection of nickels and dimes that is worth $9.60. If the number of nickels was tripled and the number of dimes was decreased by 31, the value of the coins would be $6.70. How many nickels and dimes does he have?
Click here to see answer by mananth(12270)

Question 536660: If I gave you (j-5) as the binomial factor, can you show me a trinomial with a degree of 2 that this term could be a factor from?
Click here to see answer by josmiceli(9672)

Question 536739: Here’s my aggravation. I am taking a Math class online and we’re working on “Percent Word Problems.” Only thing is I am not sure when to divide or to multiply to find the answer. Is there a hint as to when to multiply or divide in these word problems. Help! I am stressed! (see below for example)
College graduation. To obtain his bachelor’s degree in nursing, Cody must complete 125 credit hours of instruction. If he has completed 60% of his requirement, how many credits did Cody complete?

Click here to see answer by Alan3354(30993)

Question 536681: A caterer in quoting the charge for producing a dinner proposes the following terms. For a group of 60 people, he will charge $30 per person. For every extra 10 people, he will lower the price for $1.50 per person for the whole group. What size group does the caterer want to maximize his income?
Thanks!
Click here to see answer by ankor@dixie-net.com(15649)

Question 536954: In ΔABC, the measure of ∠A is 36°. The measure of ∠B is three times the measure of ∠C. Find m∠B & m∠C.
Please help me. I only need this one last problem before I finish my homework! Thanks!
Click here to see answer by ankor@dixie-net.com(15649)

Question 537165: A volleball team scored 14 more points in it's first game than in it's third game. In the second game, team scored 29 points. The total number of points scored was less than 77. What is the greatest number of ponts the team could have scored in it's first game?
Click here to see answer by fcabanski(874)

Question 537208: Stephanie stayed at a hotel and took a taxi to the airport .The total cost for the ride was $13.55. The taxis of the city charge $3.75 for the first 1/5 mile and $0.35 for each additional mile. How many miles were from the hotel to the airport?
Click here to see answer by lmeeks54(105)

Question 537274: I need help with this please:
As the Blizzard of '96 snow melted, the Potomac River was flowing at a rate of 156 millions gallon per minute. This would have filled Sun Devil Stadium, home of Super Bowl XXX, in 1 minute, 25 seconds. The Ohio River, on the other hand, would have filled the stadium in just 51 seconds. What was the Ohio's flow rate, in gallons per minute?
Click here to see answer by josmiceli(9672)

Question 537558: 3y-15/5-y

Click here to see answer by fcabanski(874)

Question 537557: The speed of train A is 20 mph slower than the speed of train B. Train A travels 190 miles in the same time it takes train B to travel 290 miles. Find the speed of each train.

Click here to see answer by fcabanski(874)

Question 537561: The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=200x/500-5x
What is the cost to remove 75% of the pollutant? Show how you arrived at the answer.

Click here to see answer by richard1234(5390)

Question 537550: To determine the number of deer in the game preserve,a conservationist catches 407 deers, tags them and let them lose. Later, 856 deer are caught; 214 of them are tagged. How many deers are in the preserved?

Click here to see answer by fcabanski(874)

Question 537621: form an equivalent division problem for 5 divided by 1/3 by multiplying both the dividend and divisor by 3 then find the quotient

Click here to see answer by stanbon(57328)

Question 537756: Find the future value on $5,000 in three years if the interest is compounded semiannually at 12%.
Click here to see answer by TMils(8)

Question 537749: You invest $1,300 in an account that has an annual interest rate of 5%, compounded annually. How much money will be in the account after 10 years? Round your answer to the nearest whole number.
Click here to see answer by TMils(8)

Question 537683: You are about to take a test that contains computation problems worth 4 points each and word problems worth 7 points each. You can do a computation problem in 2 minutes and a word problem in 4 minutes. You have 48 minutes to take the test and may answer no more than 14 problems. Assume that you answer all the problems attempted correctly.
Click here to see answer by ankor@dixie-net.com(15649)

Question 537765: You are taking a history course in which there will be four tests, each worth 100 points. You have scores of 98, 98, and 88 on the first three tests. You must make a total of 360 in order to get an A. What scores on the last test will give you an A? What is the solution? Simplify your answer. Type integer or a decimal.
Click here to see answer by ankor@dixie-net.com(15649)

Question 537952: Elliot Street is 24ft wide when it ends at Main Street in Brattleboro, Vermont. A 40-ft long diagonal crosswalk allows pedestrians to cross Main Street to or from either corner of Elliot Steet. Determine the width of Main Street.
Thanks in advance.
Click here to see answer by solver91311(16877)

Question 538211: The population of a town was 5000 in 1990 and its rate of growth is 0.5% per year. Use the model P=Poe ^rt to predict the population in 2006.
Click here to see answer by josmiceli(9672)

Question 538523: Hi,
I am not sure how to find formula to answer the question below: Help!
Angles of a triangle. The second angle of a triangular garden is four times as large as the first. The third angle is 45° less than the sum of the other two angles. Find the measure of each angle.
Click here to see answer by Mathpassionate(25)

Question 538576: The cost of seeing x movies at the theater is 7x dollars. Buying a VCR and renting x movies costs 350+3x dollars. Set the equation equal and solve for x.
Click here to see answer by josmiceli(9672)

Question 538588: Two consecutive whole numbers total 17. Find the larger.
I do not understand how to do the problem , can you help ?
Click here to see answer by ankor@dixie-net.com(15649)

Question 538550:
Each year Darlene received a 20 percent salary increase over what she had been paid the year before. She worked for the company for 3 full years. If her total salary for three years was $29,120, how much did she make the first year?
Click here to see answer by ankor@dixie-net.com(15649)

Question 538917: The current I in an electrical conductor varies inversely as the resistance R of the conductor. If the current is 0.5 amperes when the resistance is 240 ohms, what is the current when the resistance is 960 ohms?
Click here to see answer by Earlsdon(6287)

Question 539162: A light bulb consumes 1800 watt-hours per day. How long does it take to consume 10350 watt-hours?

Click here to see answer by Mathpassionate(25)

Question 539256: 1.completing the square to solve 3x^2+10x=3.the students first step was to add 25 to each side of the equation,yielding 3x^2+10x+25=3+25.what should the student haven done first?

2.Eddie and Marco are working on a landing pad for their ultra light aircraft that will be 10 feet longer than a width. if the area of the landing pad is to be 1,200 square feet, find the length and width
Click here to see answer by stanbon(57328)

Question 539695: A woman asks,"How much for one?"
The Vendor says, "30 cents"
The woman asks, "How much for 15?"
The Vendor says, "60 cents"
The woman says, "I need 615."
The Vendor says, "That will be 90 cents."
Show your work and explain how you solved the problem.
This is on my 2nd graders homework. So far we have 1=30, 15=60, 615=90. Can anyone help us solve this?
Click here to see answer by richard1234(5390)

Question 539826: What is the smallest possible product for two positive integers whose sum is 26?

Click here to see answer by richwmiller(9135)

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