Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 237297: A ferris wheel is 40 meters in diameter and boarded at ground level. The wheel makes one full rotation every 7 minutes, and at time t=0 you are at the 3 o'clock position and ascending. Let f(t) denote your height (in meters) above ground at t minutes. Find a formula for f(t).
Click here to see answer by Theo(3504)  |
Question 237452: Reba is eating her favorite cereal. There are 3 2/3 severings remaining in the box. Reba pours only 1/3 of severing into her bowl at a time. How many more bowls can Reba have before the box is empty?
Click here to see answer by gb123(1) |
Question 237017: Jack and Jill live at opposite ends of the same street. Jack wanted to deliver a box at Jill's house, and Jill wanted to leave some flowers at Jack's house. They started at the same moment, each walking at a constant speed. They met the first time 300 meters from Jack's house. On their return trip, they met 400 meters from Jill's house. How long is the street?
Click here to see answer by ankor@dixie-net.com(15747)  |
Question 237503: Word problems have always confused me. I need help in deciphering exactly what the following word problem is looking for:
A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C = 0.25(t-500) + 46.95, where it is assumed that t > 500 minutes. What times will keep costs between $87.45 and $118.95?
Any help would eb appreciated. Thank you in advance for your help.
Click here to see answer by stanbon(57984) |
Question 237581: three yeast cells are placed in a laboratory dish at 9:00 am. the number of yeast cells doubles in every 5 minutes period. the number of cells in the dish at 9:30 am the same day is
a) 30 b) 64 c) 192 d) 256 e) 300
Click here to see answer by nerdybill(7011)  |
Question 237605: at a party , exactly 17 people ate pizza , and exactly 11 people ate hot dogs
Eight of them ate both. Four people ate neither. The number of people at the party was
(a) 21 (b) 24 (c) 28 (d) 32 (e) 40
Click here to see answer by Theo(3504)  |
Question 237606: A dog and a rabbit are l80 meters apart. the dog chases the rabbit. For every 7 meters that the dog runs, the rabbit jumps 4 meters. The distance, in meters, that the dog must run in order to overtake the rabbit is
a) 225 b) 240 c) 420 d) 720 e) 1260
Click here to see answer by checkley77(12569) |
Question 237847: Suppose you are writing a test for a friend whom you tutor. You want it to total 100 points. Multiple-choice questions count 1 point, fill in the blank questions count 2 points and short answer questions count 5 points. What are the possible combinations for types of test questions. Write and graph an equation for the number of each that you can use.
Click here to see answer by ankor@dixie-net.com(15747)  |
Question 238048: there are 132 packages to be delivered . one quarter of them will be delivered
to day. one third of the remaining will be delivered tomorrow. how many will be left to be delivered on the day after tomorrow ?
a) 44 b) 66 c) 22 d) 11 e) 33
Click here to see answer by alicealc(281) |
Question 238346: i'm doing optimization problems in class and i have no clue where to even start with these problems...thanks
A computer company determines the profit equation (in millions of dollars) is given by P=x^3-48x^2+720x-1000, where x is the number of thousands of units of software sold and x is greater than or equal to 0 and less than or equal to 40
Click here to see answer by stanbon(57984) |
Question 238458: it is Monday, and Harry,Sammy and Dave are all playing together in the park. if harry comes to the park every 3 days , sammy comes every 4 days , and dave comes every 6 days, on which day of the week will they all meet again ?
a) sunday b) monday c) thursday d) friday E) saturday
Click here to see answer by ankor@dixie-net.com(15747)  |
Question 238435: Using Bayes Theorem: A certain disease occurs in % of the population. A test for the disease is fairly accurate: it misclassifies people with the disease as healthy % of the time and reports that a healthy person is diseased just % of the time. Suppose that a person tests positive for the disease. Compute the probability that the person does not have the disease. Round your answer to two decimal places.
I do not understand how to use this theory - so much to consider and plug into the formula. I might be overthinking it. HELP
Click here to see answer by Theo(3504)  |
Question 238457: at ruthie store , donuts regularly cost 65 cents each. but on sundays, they are on sale for $6 per dozen .how much money would you save if you bought 4 dozen donuts on sale rather than at the regular price?
a) $2 b) $5.35 c) $7.20 d) $7.80 e) $24.00
Click here to see answer by checkley77(12569) |
Question 238453: two adults and three children with a canoc on moosc island want to go to canary island . the canoc can hold either one adult and one child or three children .how many trips does the canoc have to make from one island to the other to ferry everyone across ?
a) 2 b) 3 c) 4 d) 5 e) 6
Click here to see answer by checkley77(12569) |
Question 238668: A custom blend of bird seed is to be mixed from seed mixtures costing $0.75 per pound and $1.25 per pound. How many pounds of each seed mixture are used to make 200 pounds of custom-blend bird seed costing $0.95 per pound?
Click here to see answer by checkley77(12569) |
Question 238729: Twenty-seven congruent cubes are glued together to form a larger cube. All six faces of the larger cube are painted pink. What is the product of the number of small cubes that have a single pink face and the number of small cubes that have three pink faces?
Click here to see answer by JimboP1977(308)  |
Question 239043: ok i really need help on this problem. i am in honors algebra 2 and i dont know what to do. Please help me solve the word problem: A rectangle is 3 times as long as it is wide. If the length and the width are both decreased by 4 cm, the resulting rectangle has area 28cm squared. Find the dimensions of the original rectangle.
Click here to see answer by Theo(3504)  |
Question 239161: Gabriella is a waitress at the Hampton Grille. In one night she earned at least $75 while working a six-hour shift. If Gebriella earned $31.50 in tips, find all possibilities for the amount she earned in wages per hour. Represent your answer both algebraically and graphically.
Click here to see answer by stanbon(57984) |
Question 239277: Can someone please help me with this? I need to have it done before tomorrow. Thanks in advance.
Stephanie, the Team Manager of a soccer team, purchases many soccer balls from a retailer and sells them to all the players at her soccer club at a price of x dollars each. She can sell 600 – 15x balls per week. Find a polynomial that represents the weekly revenue for the balls. Find the revenue for a week in which the price is $12 per ball. Use the parabolic graph to illustrate the law of diminishing return, if it occurs in this case. In order for Stephanie to receive the maximum weekly revenue, how would you, as Business Manager, recommend for the price per ball?
Click here to see answer by stanbon(57984) |
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