Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 744942: A herd of 575 deer is introduced onto a small. island. At first the herd increases rapidly, but eventually food resources dwindle and the population declines. suppose that the number of deer after t years is given by the following formula
N(t)= -t^4 + 2t^2 + 575
please show a step by step on how you got your answer
Click here to see answer by josmiceli(19441)  |
Question 745294: A population of 21 rabbits is introduced to a small island. The population increases at a rate of 61% per year.
(a) Find a function
f(t)
that represents the number of rabbits on the island after t years.
f(t) =
Click here to see answer by tommyt3rd(5050)  |
Question 745421: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
Please help work out the steps. I'm at 5/12x=1, but I don't know where to go next. Thank you
Click here to see answer by josgarithmetic(39616) |
Question 745429: I forgot how to do this please help:
a drug contains 2 types of ingredients, compound A and compound B. for every 5 Milliliters of compund A there is 3 milliliters of compound B. the chemist wants to make 664 milliliters of the drug, how much of compound A is needed?
Click here to see answer by josgarithmetic(39616) |
Question 745587: A calf weighs 547 lbs and the vet prescribed 5.78 mg of zoxacillin for every 32 kg of body weight. The zoxacillin is blended in calf feed at the amount of 8 mg for every 5 ounces of calf feed. How many ounces of feed must be given to the calf. Note: 1kg=2.2046 pounds
Click here to see answer by Cromlix(4381)  |
Question 745901: There are people walking their dogs at a park. there are 19 heads and 60 feet at the park.
a. write out the equation for this problem use P to stand for people and d to stand for dogs.
b. how many people are there at the park? how many dogs are there?
Click here to see answer by stanbon(75887) |
Question 746051: Write an equation or inequality to solve this problem.
Scott has $30 to buy new baseball cards for his collection. He has chosen a Greg Maddux rookie card that costs $8. What is the most he can spend on other baseball cards?
Click here to see answer by josmiceli(19441)  |
Question 746426: Clare wants to buy a used wide-screen TV that sells for $2,000 cash. She will make a down payment of $1,000 and then six monthly payments of $200. What is the full installment price and the annual interest rate?
Click here to see answer by rfer(16322) |
Question 746471: It costs a shoe company $20.67 to produce one pair of running shoes. The
company sells each pair of shoes for $75.07 in stores. If the company sells 145 pairs
of running shoes in the month of March, what is the company's approximate profit
from running shoes in March?
Click here to see answer by rfer(16322) |
Question 746604: Brian has 96 feet of fencing to enclose a rectangular space in his
yard for his dog. He wants the rectangle to be twice as long as it
is wide.
Write and solve an equation to find the dimensions of the rectangle.
Click here to see answer by Cromlix(4381)  |
Question 746987: A certain forest covers an area of 2000 km^2 . Suppose that each year this area decreases by 4.25%. What will the area be after 6 years?
it asks for the answer in ^2km.
What I think i should do is order of operations
2000^2 *4.25% *6
2000^2×425×6
4000000×425×6
1700000000×6
10200000000
I feel like this is wrong because it ask for the answer in ^2 km
Click here to see answer by jim_thompson5910(35256) |
Question 747721: A total of 330 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold . How many adult tickets were sold?
Click here to see answer by lwsshak3(11628) |
Question 747757: 1) A customer deposits Php 8000 in one simple interest account and Php 2000 in a second simple interest account. The interest rate on the Php 8000 account is 2% more than the rate on the Php 2000 account. If the total amount of interest on the two accounts is Php 578, find the interest rate on the Php 8000 account.
2) A man has Php 34,000 to invest. He invests some at 17% and the balance at 20%. His total annual interest income is Php 6245. Find the amount invested at the 17% interest rate.
3)
A woman can do a certain job in 10 hr and the younger daughter can do it in 12 hr. After the woman and her younger daughter have been working for 1 hr, the younger daughter got tired and decided to leave the woman doing the job alone. How long did the woman finish the job after the younger daughter left her?
If x is the number of hours that the woman did the job alone, which of the following equations should be used to answer the problem?
4)
A woman can do a certain job in 10 hr and the younger daughter can do it in 12 hr. After the woman and her younger daughter have been working for 1 hr, the younger daughter got tired and decided to leave the woman doing the job alone. How long (in hours) did the woman finish the job after the younger daughter left her?
Click here to see answer by josmiceli(19441)  |
Question 747746: Problem 2: The cost to send a telegram is $2.50 for the first 10 words or less and $.15 for each additional word. Write a program to calculate the cost of sending a telegram under these conditions.
Input – number of words
Process – calculate the cost of the telegram under the above conditions.
Output – the cost of the telegram
Test:
Try your programs on the following:
7 words - $2.50
15 words - $3.25
Click here to see answer by lynnlo(4176) |
Question 747744: Write a program to carry out the following chain of
calculations: Begin by entering a number. Multiply it by 5, add
6 to the product, multiply by 4, add 9, multiply by 5. Now,
cancel the last two digits of the final number, and subtract 1
Click here to see answer by lynnlo(4176) |
Question 747868: An experienced accountant can prepare a tax return in 16 hours. A novice account can do the job in 23 hours. How long will it take them to do the job working together?
A: 1/368 hr
B: 1/39 hr
C: 368/7 hr
D: 368/39 hr
Click here to see answer by FrankM(1040)  |
Question 747868: An experienced accountant can prepare a tax return in 16 hours. A novice account can do the job in 23 hours. How long will it take them to do the job working together?
A: 1/368 hr
B: 1/39 hr
C: 368/7 hr
D: 368/39 hr
Click here to see answer by Alan3354(69443)  |
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