Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 193964: I'm not sure if this goes here, but anything without set equations is a word problem to me. Can someone help me?
The width of a rectangle is fixed at 25cm. What lengths will make the perimeter greater than 90cm?
Thanks!
Click here to see answer by RAY100(1637)

Question 193986: In the expression , the 4 is called the _________ , and the 2 is called the _________.
Click here to see answer by Mathtut(3670)

Question 194023: The fish population of a lake is modeled by the function
P=(10)/(1+4e^(-0.8t))
where, P is the number of fish in thousands and t is the years since the lake was stocked.
What is the fish population (correct up to two decimal places) after 3 years is? [Remember: If P=3.15, then there are 3,150 fish)
How many years will it take for the fish population to reach 7,000? (correct up to two decimal places)
Click here to see answer by josmiceli(9817)

Question 193990: What numbers form the natural numbers?________________________________
Click here to see answer by solver91311(17077)

Question 193959: I need some advice. Could someone please tell me if my answer is right? I don't need to show the problem, just the answer. Media services charges $20 for a phone plus $30mth for it's cheapest plan. The equation c=30t+20 describes the total cost,c, of operating a Media Services phone for tmths. What is the total cost for 8 mths. of service? I got $260, is that right? Then the second part is what I'm not sure of. If a customer only has $90 available, how many mths of services can he or she recieve? I divided by 90 without the $20 it's 2.6 and then I added the $20 it's 2.8. Is this right and which way did they mean it? Than-x I appreciate it.
Click here to see answer by Earlsdon(6294)

Question 193988: Money would be raised in order to help with surgeries for a set of twins. The total cost of both of the surgeries combine is $45,000. The cost of having the fundraiser is $1,750. The fundraiser fell $5000.00 short of meeting their goal of fully paying for both surgeries after expenses. After the the expemses of the fundraiser, how much money goes into each of the twins surgeries cost?
Click here to see answer by josmiceli(9817)

Question 193987: Myron was arrested three times in 2007 for not paying his tution at Kaplan University. He was held in the county jail 23 days, 41 days, and 15 days respestively. We shall assume that 2007 was not a leap year, therefore 365 days were available for myron to be free. His mother lamented the fact that Myron spent so much time in jail that year, and told her friend Bertah that he had been in prison for a certain percentage of 2007. Can you help Myrons mom. What pertanage did Myron spend in jail in 2007?
Click here to see answer by josmiceli(9817)

Question 194173: A rectangular garden has dimensions of 15 feet by 11 feet. A gravel path of uniform width is to be built around the garden. How wide can the path be if there is enough gravel for 192 square feet?
Click here to see answer by RAY100(1637)

Question 193304: Here's a word problem I bet you don't see very often. I don't understand the number of gun deaths in this country anyway, never mind how to predict them in an algebra problem. Please, I really need help on this one. Than-x
The equation y=-1777x+27,153 can be used to predict the number of gun deaths in the United States x years after 2000, that is, x=0 corresponds to 2000, x=3 corresponds to 2003, x=6 corresponds to 2006 and so on. Predict the number of gun deaths in 2006 and 2009. In what year will the number of gun deaths be 7606?
Than-x again, I'm very greatful.
Click here to see answer by Alan3354(31532)

Question 194319: A population is increasing at 6% per year and is now at 12,000. If it continues to increase at the same rate, approximately how long will it take to reach 15,000? Round to the nearest tenth of a year.
I figured it out to be 4.2 years. Am I right?

Click here to see answer by ankor@dixie-net.com(15746)

Question 194403: A swimmer is about to dive into a pool from the end of a diving board that is 24 feet above the waters surface. if he springs up from the board at a speed of 8 feet per second, when will he hit the water? what will be his maximum height above the water?
Click here to see answer by Earlsdon(6294)

Question 194404: A norman window is one that consists of a rectangle with a curved top to it. the curved top is actually a semicircle that sits on top of the rectangle. if the perimeter around the norman window is 20 feet, what radius of the semicircle will provide the greatest window area?
Click here to see answer by ankor@dixie-net.com(15746)

Question 194402: a 32 inch piece of wire is to be divided into 2 pieces. one piece is going to be bent to form a square. the other piece is going to be bent into a rectangle which is 2 inches longer than it is wide. how long should each piece of wire be to minimize the sum of the ares of the square and the rectangle?
Click here to see answer by ankor@dixie-net.com(15746)

Question 194467: a portable typewriter cost $80 and was sold for $100. Find the rate of markups.
Click here to see answer by nerdybill(7008)

Question 194475: to receive an A a student must have 450 out of 500 points. The results for students on the 1st four tests were 93,79,87,and 94. What score on the final test will enable the student to receive an A.
Click here to see answer by user_dude2008(1861)

Question 194508: the width of a rectangular is fixed at 16cm. what lengths will make the perimeter greater than 78cm
Click here to see answer by doukungfoo(195)

Question 194547: 23. At the end of the season, the Marblehead Indians had 18 wins and 4 losses. What percent of the games did they win? (Round to the nearest hundredth percent)
24. Mel’s Dress Shop received an invoice dated July 17 for $1,200, with terms of 2/10, 1/15, n/60. On July 20, Mel’s Dress Shop sent a partial payment of $650. The actual amount that should be credited is
a. $637.00
b. $663.00
c. $663.27
d. $663.72

25. A manufacturer of baseball gloves offered chain discounts of 9/6/3 to many of its customers. Bob’s Sporting Goods ordered 30 gloves that had a total list price of $1,200. The amount of trade discount is
a. $995.69
b. $241.31
c. $204.31
d. $995.69

Click here to see answer by stanbon(57977)

Question 194578: I want to check my answer to the following:
A discount store sold plastic cups for $3.50 each and ceramic cups for $4 each. If 400 cups were sold for the total $1,458, How many cups of each were sold? What was the dollar value of each type of cup sold.
Click here to see answer by josmiceli(9817)

Question 194612: 5/8x+3/5=8
Solve- wanted to check my answer
Click here to see answer by Mathtut(3670)

Question 194616: one number is 30 less that twice another number. find the 2 numbers if the sum of their squares is a minimum.
Click here to see answer by RAY100(1637)

Question 194627: 5/8x+3/5=8
Thanks- steps needed to get to the answer please.
Click here to see answer by RAY100(1637)

Question 194630: Hi just need to check to make sure my answer is correct
Use proportion to convert 2500 to EUR
1000 eur =0.7615 USD
Click here to see answer by RAY100(1637)

Question 194617: a 32inch piece of wire is to be divided into 2 pieces. one piece is going to be bent to form a square. the other piece is going to be bent into a rectangle which is 2 inches longer than it is wide. how long should each piece of wire be to minimize the sum of the areas of the square and the rectangle?
Click here to see answer by solver91311(17077)

Question 194644: What are the asymptotes of the functions "f(x) = 4x" and "g(x) = log5x"?

Click here to see answer by stanbon(57977)

Question 194642: Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of the function in each case.
Click here to see answer by RAY100(1637)

Question 194655: Plot the graph of the above equations formed in question 2, and post your response to the discussion forum.

Click here to see answer by Mathtut(3670)

Question 194704: Sally and Tom are good friends. Sally is 7 years older than Tom. Next year she will be twice as old as him. How old are Sally and Tom right now?
Click here to see answer by solver91311(17077)

Question 194643: True or false: The function "f(x) = 4x" grows four times faster than the function "g(x) = x". Explain.
Click here to see answer by Alan3354(31532)

Question 194729: A right triangle has sides with integer lengths. The product of the legs is 120. The sum of the three sides is 40. What are the lengths of the three sides of the triangle?
Click here to see answer by RAY100(1637)

Question 194794: the perimeter of a lot is 190 m. the length os four times the width. find the length and the width?
Click here to see answer by solver91311(17077)

Question 194791: If a ball is tossed into the air from a height of 6 feet with a velocity of 32 feet per second, then its altitude at time t (in seconds) can be described by the function A(t)=-15t+32t+6.
Find the altitude of the ball at 2 seconds
Click here to see answer by solver91311(17077)

Question 194792: The sum of two numbers is -42. The first number minus the second number is 52. Find the numbers?
Click here to see answer by solver91311(17077)

Question 194737: Grandpa Joss was born in the 20th century. The sum of the digits of his birth year is divisible by 4. Grandma Teresa was born 1 year after her husband, Joss, and the sum of the digits of her birth year is also divisible by 4. In 2001, the sum of their ages was more than 100 years. What is Grandpa Joss's birth year?
Click here to see answer by edjones(7569)

Question 194731: A man has 29 socks in his drawer, 9 identical blue, 8 identical gray and 12 identical black. The lights are out and the man is completely in the dark. How many socks must he take out to make certain that he as a pair of each color?
Click here to see answer by edjones(7569)

Question 194825: I have a question about a problem, and here it is.
The question reads:
The posted speed limit on many U.S. highways is 65 miles per hour. What is this speed in feet per second?
Please help.
Thanks,
Kathy Price
Click here to see answer by jojo14344(1512)

Question 194727: What is the length of a diagonal of a 10-cm cube? Show your work. (Do not use the cube-diagonal formula unless you show why it works.)
Click here to see answer by checkley77(12569)

Question 194851: Last fall, a gardener planted 74 tulip bulbs. She found that only 62 of the bulbs bloomed in the spring.
a) find the empirical probability that a tulip bulb of this type will bloom.
b) How many of the bulbs should she plant next fall if she would like at least 95 to bloom?
Click here to see answer by vleith(2825)

Question 194914: The number of flims(y) is a direct variation of the number of flams(x).
a) Write a general equation that summarizes this relationship.
b) If the constant of variation is 15, how many flims are produced by 3 flams?
please help, thank you
Click here to see answer by Mathtut(3670)

Question 194932: The product of a two-digit number and its tens digit is 285. The units digit is two more than the tens digit. What is the original number?
Click here to see answer by ankor@dixie-net.com(15746)

Question 195012: Using mathematical calculations, explain why the speed of light ("c") is the absolute "speed limit" in the universe.
Can't use imaginary clock!
Click here to see answer by stanbon(57977)

Question 195046: I am having a problem solving this word problem. Any help would be appreciated!
A rope is stretched from the ground to the top of an antenna tower. The wire is 30ft long. The height of the tower is 6ft. greater than the distance from the base to the end of the rope. Find the distance from the wire to the tower.
Click here to see answer by nerdybill(7008)

Question 195076: The weekly profit of a company depends on the number of employees working during the week. It is represented by the formula P = x2 + x – 10 where x is the average number of employees working on each day of the week. For what values of ‘x’ is the profit positive?
Click here to see answer by jojo14344(1512)

Question 195187: Kathrin and Tom together clean the garage in 3 hours. Seperatly, it takes Tom one hour more then Kathrin. How long does it take them to clean the garage seperatly? Approximate to the nearest tenth of an hour.
Click here to see answer by solver91311(17077)

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