781 Answered Questions for the topic College Algebra Word Problem

College Algebra Word Problem Word Problem

04/02/15

It takes 70 pounds of seed to completely plant a 10 -acre field. How many acres can be planted per pound of seed?
This is a word problem on my homework and just need to understand how it works and how you got there. I'm so confused. 
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College Algebra Word Problem Word Problem College Algebra Inverse Functions

04/01/15

The time it takes to complete a job varies inversely to the number of people working on it.
The time it takes to complete a job varies inversely to the number of people working on it. If it takes 10 carpenters 36 hours to frame a house, how long will it take 22 carpenters to do the same job? more
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College Algebra Word Problem

04/01/15

domain of the area
A farmer has 1000 yards of fencing to enclose a rectangular garden. Express the area A of the rectangle as a function of the width x of the rectangle. What is the domain of A?
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College Algebra Word Problem

03/31/15

how do you do this problem?
this is applying linear systems. so we can solve thought the substitution method or elimination method .   a paper firm makes tools of paper 12 inches wide and 15 inches wide by cutting a sheet... more
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College Algebra Word Problem

03/31/15

4x(x-20)^2 Use a graphing calculator to approximate the values of x that produce a volume of 4500
Note: There are 3 values of x that produce the given value but only two of them are acceptable in the context of the problem. List the two answers, to at least one decimal place, separated by commas.
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College Algebra Word Problem College Algebra Variation Electrical Resistance

03/30/15

The electrical resistance R of a wire varies directly as its length l and inversely as the square of its diameter d.
(a) Express R in terms of l, d, and a constant of variation k.    I got the equation R=k(l/d^2) which was correct.   (b) A wire 90 feet long of diameter 0.015 inch has a resistance of 25 ohms.... more
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College Algebra Word Problem

03/30/15

A Jogger ran 7 miles, decreased her speed by 1 mile per hour, and than ran another 8 miles. if her total hows were 2 23/30 , find her speed in each run
Please help I seem to always get stuck, on these word problems, thank you!!! A Jogger ran 7 miles, decreased her speed by 1 mile per hour, and than ran another 8 miles. if her total hows were 2... more
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College Algebra Word Problem

03/28/15

Graphics uses one cleanser that is 25% acid and a second that is 50% acid. How many liters of each should be mixed to get 30L of a solution that is 40% acid?
I don't know where to begin to solve.  I need to see the steps.
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College Algebra Word Problem

03/25/15

2 word problems i really need help on
1. if the sum of two numbers is 1 and their product is -56. find the two numbers     2. the longer leg of a right triangle is 4 feet longer than the other leg. Find the length of the two legs if... more
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College Algebra Word Problem

03/23/15

Maximum calories not consumed from eating whole jelly beans and whole gum drops
Suppose that a jelly bean has 17 calories and a gum drop has 21 calories. Find the maximum number of calories consumed by eating whole jelly beans and whole gum drops
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College Algebra Word Problem

03/21/15

word problem
bob drove from home to work at 60 mph. after work the traffic was heavier, and he drove home at 25 mph. his driving time to and from work was 1 hour and 8 minutes. how far does he live from his job?
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College Algebra Word Problem Quadratic Functions Velocity Projectile

03/20/15

An object is projected vertically upward with an initial velocity of v0 ft/sec, and its distance s(t) in feet above the ground after t seconds is given by....
the formula s(t) = −16t2 + v0t.   (a) If the object hits the ground after 12 seconds, find its initial velocity v0.v0 =        ft/sec(b) Find its maximum distance above the ground.s(t) =      ... more
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College Algebra Word Problem

03/17/15

A nurse has 1 liter of a solution that is 20% alcohol. How much pure alcohol must she add to bring the solution up to 30%?
Must establish an equation and then solve.
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College Algebra Word Problem

03/16/15

Assuming that the cost per bushel , c and the number of bushels , n , are linearly related. Express c in terms of n
  a peanut farmer finds that 200 bushels of peanuts can be produced at an average cost of $3 per bushel; at an average of $2 per bushel, 1000 bushels can be produced. Enter only right side of... more
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College Algebra Word Problem

03/15/15

From a 18 inch by 18 inch piece of metal, squares are cut out of
From a 18 inch by 18 inch piece of metal, squares are cut out of each of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the... more
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College Algebra Word Problem

03/13/15

A rectangular auditorium seats 1920 people. The number of seats in each row exceeds the number of rows by 8. Find the number of seats in each row.
A rectangular auditorium seats 1920 people. The number of seats in each row exceeds the number of rows by 8. Find the number of seats in each row.
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College Algebra Word Problem Math

03/08/15

You have $3.50 with twenty-seven coins, quarters, nickels, and dimes. You have three times as many dimes as nickels. Find how many of each coin you have.
You have $3.50 with twenty-seven coins, quarters, nickels, and dimes. You have three times as many dimes as nickels. Find how many of each coin you have.
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College Algebra Word Problem

03/06/15

simple interest
A person had 18,000 in two accounts, one paying 9% simple interest and one paying 10% simple interest. How much was invested in each account if the interest after one year is 1,716?
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College Algebra Word Problem

03/02/15

Set up a system of equations that describes the data above. Solve the system.
A farm has 200 acres available to plant corn, wheat and soybeans. An acre of corn requires 6 hours of labor, wheat 3, and soybeans 4. There are 1000 hours of labor available.   Set up a system of... more
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College Algebra Word Problem

03/02/15

The road started with a length of 57 miles, and the crew is adding 4 miles to the road each day.
Let L represent the total length of the road (in miles), and let D represent the number of days the crew has worked. Write an equation relating L to D . Then use this equation to find the total... more
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College Algebra Word Problem

03/02/15

Write the revenue equation based on the number of additional persons.
A group excursion is offered at a price of $600 per person. This price will be honored if 200 tickets are sold. For each additional person, the price will decrease by $2. Write the revenue equation... more
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College Algebra Word Problem

03/01/15

Do not know how to even begin/
two lanscapers must mow a rectangular lawn that measures 100 ft by 200ft. Each wants to mow no more than half of the lawn. The first starts by moving around the outside of the lawn. How wide a... more
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College Algebra Word Problem

03/01/15

A woman invested part of $21,500 at 5% interest and the rest at 7%. If her annual interest is $1,215, how much did she invest at 5%?
Yes, I need help with solving this college algebra math problem.
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College Algebra Word Problem

02/28/15

how long must they work to paint the fence?
It takes Ralph 7 hours to paint a fence alone. Lisa can do the same job in 11 hours. If Ralph paints alone for 15 minutes before Lisa begins helping, how long must they work together to finish... more
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College Algebra Word Problem College Algebra Word Problems

02/23/15

a rock thrown vertically upwards from the surface of the moon at a velocity of 8m/sec reaches a height of s =8t -0.8t^2 meters in t sec .
A. find the rocks velocity and acceleration at time t. B how long does it take the rock to reach its highest point?
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