Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 61271This question is from textbook
: Area of a window. A window is in the shape of a square of side s, with a semicircle of a diameter s above it. Write a function that expresses the total area of a window s a function of s.
GraciasThis question is from textbook
Click here to see answer by joyofmath(189)  |
Question 61433This question is from textbook college algebra
: I need help with this one.
Jane and Terry went to Long Beach for a week. They needed to rent a car so they checked out two rental firms. Avis want $35 per day with no mileage fee. Downtown Toyota wanted $150 per week (7 days) and $.19 per mile. How many miles would they have to drive before the Toyota price is more than the Avis price?
Thanks in advance for your help.This question is from textbook college algebra
Click here to see answer by ptaylor(1578)  |
Question 61625: The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give V=210 in^3 when T equals 280 degrees and P=20lb/in^2. What is the volume on this device when the temperature is 210 degrees and the pressure is 25lb/in^2.
Click here to see answer by Earlsdon(4900)  |
Question 61679: please help me solve this PROBLEM I CAN NOT SET IT UP. A SMALL COMPANY PRODUCES STANDARD AND DELUXE PLAYHOUSES ITTAKES 12 HOURS TO PRODUCE THE STANDARD AND 20 HOURS TO PRODUCE THE DELUXE PLAYHOUSES THE LABOR IS LIMITED TO 800 HRS/WEEK AND THE ECAPACITY IS 50 ITEMS PER WEEK EXISTING ORDERS REQUIRES THE COMPANY TO PRODUCE AT LEAST 10 STANDARDS AND 15 DELUXE PLAYHOUSES PER WEEK. hOW DO YOU WRITE THE SYSTEM OF INEQUATILITIES WHERE X IS THE NUMBER OF STANDARD AND Y IS THE NUMBER FOR THE DELUXE PLAYHOUSE. PLEASE SHOW ME THIS BECAUSE i GET MIXED UP ON THIS ONE THANKS
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 61769This question is from textbook
: I need help setting up this problem, if I can figure out how to set it up I can solve it. Here is the problem:
In a city of 25,000 homes, a survey was taken to determine the number with cable television. Of the 300 homes surveyed, 210 had cable television. Estimate the number of homes on the city that have cable television.
Thanks for any help you can giveThis question is from textbook
Click here to see answer by stanbon(26291)  |
Question 61776This question is from textbook
: Ok just one more:
As part of a conservation effort for a lake, 40 fish are caught, tagged, and then released. Later 80 fish are caught. Four of the 80 fish are found to have tags. Estimate the number of fish in the lake.
Thank YouThis question is from textbook
Click here to see answer by stanbon(26291)  |
Question 61775This question is from textbook
: Ok how about one more: Leonardo da Vinci measured various distances on the human body in order to make accurate drawings. He determined that generally the ratio of the kneeling height of a person to the standing height of that person was 3/4. Using this ratio, determine how tall a person is who has a kneeling height of 48 in.This question is from textbook
Click here to see answer by josmiceli(3012)  |
Question 61844: My daughter has this as an extra credit question and she could really use the points and I am lost in helping her. Will someone please help me and explain this?
A very long hallway has 100 lights with pull cords hanging from the ceiling. All the lights are off. A person comes along and pulls every cord, turning on all the lights. A second person comes along and pulls every second cord. This would turn off light numbers 2, 4, 6 etc. A third person comes along and pulls every third cord. Turning on some lights and turning off others. This continues until the one hundredth person comes along and pulls the one hundredth cord. At this point, which lights are on?
hint- 10 lights total are on.
Now they are looking for which cord number are on.
Click here to see answer by joyofmath(189)  |
Question 61844: My daughter has this as an extra credit question and she could really use the points and I am lost in helping her. Will someone please help me and explain this?
A very long hallway has 100 lights with pull cords hanging from the ceiling. All the lights are off. A person comes along and pulls every cord, turning on all the lights. A second person comes along and pulls every second cord. This would turn off light numbers 2, 4, 6 etc. A third person comes along and pulls every third cord. Turning on some lights and turning off others. This continues until the one hundredth person comes along and pulls the one hundredth cord. At this point, which lights are on?
hint- 10 lights total are on.
Now they are looking for which cord number are on.
Click here to see answer by brandonpark2889(31)  |
Question 61830: A man in a speed boat which could only travel at 50km/h was driving his boat up a river which flowed with a constant speed. As he was driving his spare life jacket fell of the boat, 20 minutes later the man noticed the jacket was gone and turned back to get it. He found it 3km away from where he lost it. How fast was the river flowing?
Click here to see answer by venugopalramana(3286)  |
Question 61554: A home-based company produces both hand-knitted scarves and sweaters. The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. Write a system of inequalities representing this situation, where x is the number of scarves and y is the number of sweaters. Then graph the system of inequalities.
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 62020: monica worked part-time at a job that paid $7.50/h and babysat for $4.00/h. In one week, she earned $110.00 working part-time and babysitting. If she worked part-time 7 more hours than the number of hours she babysat, determine the total number of hours she worked during this week.
Click here to see answer by hotrodd(18)  |
Question 62047: Joe's has a division that makes bags for the citrus industry. The unit has operating fixed costs of $10,000 per month, and it expects to sell 42,000 bags per month. If the variable cost per bag is $2.00 what price must the division charge in order to break even?
Click here to see answer by 303795(562)  |
Question 62164This question is from textbook college algebra
: This is a tough one that I am having difficulty with. I have tried several times to set up and not been successful. Thanks!
In one individual, the percent of alcohol absorbed into the bloodstream after two shots o whiskey is given by
P = 0.3(1-e^-0.05t)
T equates to minutes. Find the percent of alcohol absorbed into the blood after 1/2 hour.
hope that is clear enough.This question is from textbook college algebra
Click here to see answer by Earlsdon(4900)  |
Question 62282: I have to construct a frequency distribution for the data.
here is the problem and it's not in the book it's homework
a random sample of 30 male college students is selected. Each student is asked his height(to the nearest inch). the heights are as follows.
72,70,68,72,74,71,71,69,73,71,73,75,66,,67,75,74,73,71,72,67,72,68,67,71,73,71,72,70,73,70.
and i must find the mean, median. mode and the mid range. can you please break down the steps. i have a test tonight. Please because i don't want to fail.
thank you karseemia king.
Click here to see answer by smik(40)  |
Question 62494: Use a calculator to help solve each problem.
This regarding radioactive decay. Can anyone give me a hand? Is the formula the same as carbon-14 dating?
In 2 years, 20% of radioactive element
decays. Find its half life.
Thanks for your help!
Click here to see answer by Edwin McCravy(2922)  |
Question 62497This question is from textbook college algebra
: This is problem on battery charging. I got a little into it and then got completely lost. Can anyone help get this solved? Thanks
If k=0.201, how long will it take a battery to reach a 40% charge? Assume that the battery was fully discharged when it began to charge.
t= 1/k 1n(1-C/M)
t = 1/0.201 1n(1-.25/M)
That is as far as I got. Where do I go from here? Thanks for your help! This question is from textbook college algebra
Click here to see answer by stanbon(26291)  |
Question 62541: Express the following statement as a formula with the value of the constant of proportionality determined with the given conditions: w varies directly as x and inversely as the square of y. If x=15 and y=5, then w=36.
Click here to see answer by stanbon(26291)  |
Question 62592: Q1. Determine whether there are two consecutive odd integers such that 7 times the first exceeds 5 times the second by 54
Q2. In 2002, 54.1 million tax returns were file electronically. From 2002 to 2009, the average annual increase in electronic filings is projected to be 6.8%. If this holds true, what will the number of electronic tax returns be for the next 5 years?
Q3. If the area of a triangle kite is 18 square feet and its base is 4 feet, what is the height of the kite?
Q4. The Cassini spacecraft mission to Saturn was launched October 15 1997. It will take more than 6 1/2 years to reach Saturn, arriving in July 2004. During it mission Cassini will travel a total distance of 2 billion miles in 80.5 months. What is the average speed of the spacecraft in miles per hour, if I convert 80.5 months to MPH using 1 month = 30 days and then using the formula of d=rt.
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 61203: Can you help with the below word problem???
In Anchorage, the number of film-goers who read the books before seeing The Lord of teh Rings films was 3 1/4 times the number of film-goers who did not read the books beforehand. If 39,000 film-goers read teh books first, how many went to the films?
Click here to see answer by 303795(562)  |
Question 62822This question is from textbook
: Q 1: why is drawing a diagram a good strategy for solving problems?
Q 2: Is drawing to determine how many games have to be played to determine a champion from 32 teams in a single elimination softball tournament?
Q 3: Look at the staircase at the right. How many cubes would be needed for a staircase with seven steps?
Q 4: Sybil's score on her math test is 89. some of the questions are worth 5 points and the rest of the questions are worth 2 points. The teachers gave no partial credit for any questions. If 37 promblems are correct, how many 5 points questions did Sybil answer correctly?This question is from textbook
Click here to see answer by 303795(562)  |
Question 62944: Q1. Write the following as a algebraic expression and then simplify.
a. The sum of three consecutive intergers if "X" is the first consecutive interger.
b. The perimeter of a square with side length 3x+1.
Q2. 2(7x-1) -5x> -(-7x) +4
Q3. Solve: -2x-5< -3 and 6x<0
Q4. |3x+1| + 9<1
Click here to see answer by funmath(2873)  |
Question 63034: Circle Path, Inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. If they made 40 more bicycles than tricycles, how many unicycles did they make?
Click here to see answer by stanbon(26291)  |
Question 63054This question is from textbook 
: THIS IS ABOUT USING RATES.......
Wyonna bought a prepaid calling card for $5. It allows her to make 80 minutes worth of calls.
A. estimate the prepaid calling cards cost per minute. Explain your thinking.
B. Calculate the actual cost per minute
C. After purchasing her prepaid card, wyonna made a 15- minute call to her friend Samson. How much is the card worth now?
D. Wynonna’s home telephone service provides a calling card that cost 8cents per minute. Which calling card would u recommend she use? Why?
E.
Wynonna has made plans for a 7-day vacation. She expects to make 30minutes of calls each day. How many prepaid calling cards should she take along?This question is from textbook 
Click here to see answer by funmath(2873)  |
Question 63110: If a person sees 5 people in 20 minutes in a audition and there are 175 total people How long would take to see all people if you started at 8:00 am and took a 40 minutes break. I know the answer I just don't know how to explain the process. Please help!!!
Click here to see answer by Nate(3495)  |
Question 63409: Derwitt Duddly had an assignment to draw a picture of his family. “They won't all fit on this piece of paper,” he wailed loudly in class.
“What exactly is your problem, young man?” enquired his teacher, Ms. Im. Patient.
My family has 1 brother, 2 sisters, 2 sons, 2 daughters, 1 grandmother, 1 grandfather, 2 fathers, 2 mothers, 4 children, 3 grandchildren , 1 father-in-law, 1 mother-in-law, and 1 daughter-in-law, and they won't all fit on the paper.
“I'm sure you can manage.” stated his teacher, emphatically.
Can you help Derwitt out? What is the smallest possible number of people in his family?
Click here to see answer by Edwin McCravy(2922)  |
|
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
|