Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 191987: Please help me with this problem. By using the numbers 4, 8, 3, and 6, addition, subtraction, multiplication, and division, along with parenthesis, I need to create an equation that will give me 24 as my answer. The numbers can be used in any order.
The closest I have been able to get to the answer is by (6*3)+8-4 which will give me 22
Click here to see answer by jim_thompson5910(35256)  |
Question 191987: Please help me with this problem. By using the numbers 4, 8, 3, and 6, addition, subtraction, multiplication, and division, along with parenthesis, I need to create an equation that will give me 24 as my answer. The numbers can be used in any order.
The closest I have been able to get to the answer is by (6*3)+8-4 which will give me 22
Click here to see answer by Mathtut(3670) |
Question 191930: Mike was racing in a bike marathon. He was 3/8 of the way across a narrow bridge when he heard the Wabash Cannonball train approaching the bridge from behind him at 60 miles per hour. Being an amateur mathematician as well as a marathon biker, Mike calculated that he could just reach either end of the bridge at the same time as the train. How fast was Mike pedaling his bike?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 192066: The two largest cities in the United States are New York and Los Angeles.In 2002, the population of New York was 4,285,335 greater then the population of Los Angeles, and there were a total of 11,883,297 people living in these two cities. Find the population of each city using these population figures (Source:World Almanac and Book of Facts 2004.)
answer: New York: 8,084,316 Los Angeles:3,798,981
anyone can give a full break down of how these population figures came about
Click here to see answer by jojo14344(1513) |
Question 192129: A construction frame cabin has a triangular front with a base of 30 ft. and a height of 20 ft. If the front is to be glass that costs $3.00 a sq ft what will the glass cost.
Thank you Debbie Langston
dlangston4@woh.rr.com
Click here to see answer by Earlsdon(6294) |
Question 191840: (Pre-Calculus)
1. the second building is 500 feet smaller.
2.Overseas adoptions have increased by more than 200% from 1991 to 2001. In 1991, 6326 visas were issued to orphans from other countries. In 2001, 20018 visas were issued. What is the average rate of change in the number of overseas adoptions over the 10-year period?
Click here to see answer by nunu321(1) |
Question 192537: 110. Sky diving. The formula in Exercise 109 accounts for the
effect of gravity only on a falling object. According to that
formula, how long would it take a sky diver to reach the
earth when jumping from 17,000 feet? (A sky diver can
actually get about twice as much falling time by spreading
out and using the air to slow the fall.)
t=sqrt(h/16)
Click here to see answer by nerdybill(7384)  |
Question 192570: Explain how the Order of Operations facilitates in solving problems involving exponents. Discuss the variations you get in the answers if the Order of Operations is not followed in such problems. Provide an example to support your explanation.
Click here to see answer by Mathtut(3670) |
Question 192573: Please assist with the below problem:
A high school class wants to raise money by recycling newspapers. The class decided to rent a truck at a cost of $150 for the week. The market price for recycled newspapers is $15 per ton. Write an equation representing the amount of money the class will make based on the number of tons of newspapers collected.
Click here to see answer by Mathtut(3670) |
Question 192597: Would someone please help me figure out this word problem..
A car rental agency charges a weekly rate of $250 for a car and an additional charge of 5 cents for each mile driven. How many miles can you travel in a week for $500?
Thanks.
Click here to see answer by checkley77(12844) |
Question 192696: A semicircular window of radius 12 inches is to be laminated with a sunblock coating that costs $0.75 per square inch to apply. What is the total cost of coating the window, to the nearest cent?
(Use п = 3.14. Hint: Area of Circle: A = пrē)
Click here to see answer by Mathtut(3670) |
Question 192697: A square support unit in a television is made with a side measuring 4 centimeters. A new model being designed for the upcoming year will have a larger square with a side measuring 4.3 centimeters. By how much will the area of the square be increased?
Click here to see answer by Mathtut(3670) |
Question 192678: This is a problem using quadratic equations. I am really confused. I would appreciate your help.
Three girls Laura, Tammy, and Jeri can wash the family car, clean the pool, and mow the lawn in 1 hour and 20 minutes. If Jeri did the work she would take twice as long as Tammy + 2 hours longer than Laura. How long would each girl take?
Click here to see answer by solver91311(24713)  |
Question 192753: A rectangular pool has dimensions of 40 ft. and 60 ft. If the pool has a patio around it that equals the area, how wide is the distance from the pool edge to the patio edge?
I can't figure out how I would represent this. Would you please help? Quadratic equations really perplex me. Thank you.
Click here to see answer by Earlsdon(6294) |
Question 192759: the height h of a toy rocket t seconds after launching is determined by the formula h= -16t^2 + 112t
a)find the height of the rocket 2.5 seconds after launching
b) afer how many seconds is the rocket 196 feet above the ground?
c) when will the rocket hit the ground?
Click here to see answer by stanbon(75887) |
Question 192767: Use a proportion to solve problem
To estimate the size of the bear population on the Keweenaw Penisula, conversvations captured, tagged, and released 50 bears. One year later, a random sample of 100 bears included only 2 tagged bears. What is the conversationist's estimate of the size of the size of the bear population?
Click here to see answer by Mathtut(3670) |
Question 192769: Use proportion to solve each problem
The ancient Greeks thought that the most pleasing shape for a rectangle was one for which the ratio of the length to the width was approximately 8 to 5, the golden ratio. If the length of a rectangular paining is 2 ft longer than its width, then for what dimensions would the length and width have the golden ratio?
Click here to see answer by Mathtut(3670) |
Question 192869: You work at a frozen yogurt shop during the summer. You need to order 5-ounce and 8-ounce cups. The storage room will only hold 10 more boxes. A box of 5-ounce cups costs $100 and a box of 8-ounce cups costs $150. A maximum of $1250 is budgeted for yogert cups. Write a system of linear inequalities that show the number of boxes of 5-ounce and 8-ounce cups that could be bought.
Click here to see answer by stanbon(75887) |
Question 192873: Joe has a collection of nickels and dimes that is worth $6.05. If the number of dimes was doubled and the number of nickels was decreased by 10, the value of the coins would be $9.85. How many dimes does he have?
Click here to see answer by stanbon(75887) |
Question 192909: Suppose you are delivering mail in an office building. You leave the mailroom and enter the elevator next door. You go up four floors, down seven, and up nine to the executive offices on the top floor. Then, you go down six, up two, and down eight to the lobby on the first floor. What floor is the mailroom on?
Click here to see answer by sarahbelle(1) |
Question 192907: Three canisters contain only red, only black, or only mixed red and black marbles. However, each canister is mislabeled. Tony claims that by picking one marble from a canister, he can position the labels correctly. How can Tony do this?
Click here to see answer by Alan3354(69443)  |
Question 192990: According to Dr. Aaron R. Folsom at the University of Minnesota School of Public Health, your maximum ideal waist size is directly porportional to your hip size. For a woman with 40-inch hips, the maximum ideal waist size is 32 inches. What is the maximum ideal waist size for a woman with 35-inch hips?
Click here to see answer by stanbon(75887) |
Question 193073: The reciprical of the combined resistance R of two resistances R1 and R2 connected in parallel is equal to the sum of the recipricals of the individual resistances. If the two resistances are connected in series their combined resistance is the sum of their individual resistances. If two resistances connected in parallel have a combined resistance of 3.0 ohms and the same two resistances have a combined resistance of 16 ohms when connected in series, what are the resistances?
Click here to see answer by Alan3354(69443) |
Question 193175: This is not from a textbook but a question put on an assignment sheet. I am not sure how to do this. Please help.
A diagonal walk through a rectangular rose garden 18 meters by 24 meters can be built at $12 per linear meter. How much will the walk cost?
Click here to see answer by ankor@dixie-net.com(22740) |
Question 193177: This is not in our textbook but an extra credit question on homework. Can someone help please?
What is the area and circumference of a circle with diameter 22 mm? (The instructor wants the exact solutions & wants us to include correct units with each!)This hurts!
Click here to see answer by Mathtut(3670) |
Question 193177: This is not in our textbook but an extra credit question on homework. Can someone help please?
What is the area and circumference of a circle with diameter 22 mm? (The instructor wants the exact solutions & wants us to include correct units with each!)This hurts!
Click here to see answer by Alan3354(69443) |
Question 193182: Can someone help me please? Word problems are the worst!
A disc jockey plays 12 commercial spots during 1 hr. of radio show. Each commercial is either 30 or 60 sec. long. If the total commercial time in one hr. is 8 min. how many 30 sec. commercials were played that hr.? How many 60 sec.?
Thanks a lot
Click here to see answer by Mathtut(3670) |
Question 193178: An object that is projected straight downward with initial velocity of v feet per second is at a height from ground  , where s = initial height in feet, and t = time in seconds. If Bianca is standing on a ledge 46.75 feet above the ground and throws a penny straight down with an initial velocity of 12 feet per second, in how many seconds will it reach the ground? -- I tried as hard as I can to solve this word problem but the answer was not reasonable... please help me, thank you!
Click here to see answer by nerdybill(7384) |
Question 193178: An object that is projected straight downward with initial velocity of v feet per second is at a height from ground , where s = initial height in feet, and t = time in seconds. If Bianca is standing on a ledge 46.75 feet above the ground and throws a penny straight down with an initial velocity of 12 feet per second, in how many seconds will it reach the ground? -- I tried as hard as I can to solve this word problem but the answer was not reasonable... please help me, thank you!
Click here to see answer by josmiceli(19441)  |
Question 193176: I am a mess when it comes to word problems, well math in general.. Would someone please help. This is on a handout, not in our text.
Sam wishes to fertilize his lawn that is 16 yards by 70 yards. The organic fertilizer costs $5.75 per bag. Each bag covers 525 square feet. What is the cost to fertilize his yard?
Click here to see answer by checkley77(12844) |
Question 193236: I'm having a little trouble with this problem: Brent throws an object downward with initial velocity of -10 feet per second. The object travels a distance  ,where h = height in feet, v = initial velocity, s = initial height in feet, and t = time in seconds. If Brent is standing on a cliff 31.5 feet above the ground, in how many seconds will the object reach the ground?
Click here to see answer by Alan3354(69443) |
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