04/15/15

Math problem
A bacteria culture contains 1200 bacteria initally and increases by a factor of 1.5 every hour. Find a function to model their growth and predict the number of bacteria after 12 hours using your... more
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04/15/15

Weekly earnings
Margie sells cars. She is paid $200 for each week that she works, plus $300 for every car she sells.   A) How many cars does Margie need to sell her weekly earning to be more than $2000?   B)... more
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04/15/15

Lynn and Carrie
Lynn is 1 year younger than 3 times Carrie's age. If Lynn is 11 years old, how old is Carrie?
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04/15/15

Angela's vegetable garden
Angela has a vegetable garden that is shaped like a rectangle. The perimeter of Angela's vegetable garden is 64 feet. If the length of the garden is 25 feet, what is the width of the garden? 
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04/15/15

Mr. Daniels
Mr. Daniels wants to cut a square in a wall for a new window. The window is 3 1/8 feet wide. The wall has a length of 15 3/8 feet. Mr. Daniels wants to position the window at the center of the... more
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04/15/15

Wallace says " January 30." What should Veronica say to guarantee she wins the game?
Veronica and Wallace are playing a game where each person takes turns naming a date of the year. After one person names a date, the next person must give a later date in the same month, or the same... more
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04/15/15

Help me with these word problems
The sum of a number and -7 is equal to the quotient of the number and -29
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04/15/15

What is the probability that both balls are red given that the first ball you drew was red?
Assume that each bag contains 5 balls. Bag a contains 3 red and 2 white, while bag b contains 1 red, 3 white, and 1 blue. You randomly select one ball from bag a, note the color, and place the ball... more
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04/15/15

What is the probability that at least one inspector will find a defective widget?
Assume that the box contains 2 defective widgets and 10 acceptable widgets. There are 4 inspectors, each of whom selects a widget from the box at random, inspects it, and then replaces it in the... more
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04/15/15

solve by elimination method
3r-5s=14 5r+3s=46   determine the solution of the system. select the correct choice below and, if necessary, fill in the answer box to complete your choice. a) _ (type an ordered pair) b)... more
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04/14/15

What is the cost of one night's lodging and what is the cost of a ski lift pass?
at a ski resort one family pay $1,045 for 3 nights of lodging and 8 ski lift passes. Another family pays $1,305 for 3 nights of lodging and 12 ski lift passes. 
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04/14/15

Word problem,I need help setting up the equation.
An annual movie club membership is $30. With a membership, movie tickets are $5.50 instead of $8.00. How many movies do I need to see to pay for the membership. I think the answer is 12, yet I need... more
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04/14/15

How much of each solution will she require to make a resulting solution that has 25 liters and has a 28% concentration?
Ms. Hayden is mixing up a solution for biology. Solution A has a 40% concentration and solution B has a 20% concentration. 
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04/14/15

If Mr. Williams pitches the ball 15 times per hour, how many times has he pitched?
Mr. Williams, Ms. Jelkes, and Ms. Gonzales are getting ready for their first softball game. Altogether, they've coached 89 hours, with Mr. Williams at 5 practices, Ms. Gonzales at 4 practices, and... more
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04/14/15

Suppose you have 144 square inches of cardboard. Your task is to build a box with a square bottom and no top. find the dimensions of the box to maximize volume.
Suppose you have 144 square inches of cardboard. Your task is to build a box with a square bottom and no top. find the dimensions of the box to maximize volume.
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04/13/15

48 successful students it 60% of what number of students?
48 successful students is 60% of what number of students?
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04/12/15

Find The Probability Of Rolling The Difference of 1 On Both Dice? And Also NOT Rolling The Difference Of 1?
Please Explain Answer? C:
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04/12/15

If I need to make a border for a picture that is 11 by 6 cm out of a 7 by 4 cm rectangle, how thick can the border be?
You have to use all of the rectangle, nothing can overlap, and it has to all be the same thickness.
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04/12/15

An airplane is flying at an altitude of 1.8 miles and is 13.7 miles from the runway. Find the angle of depression that the airplane must make to land safely.
NOTE: this assignment is due tomorrow and I have nobody to help me. I'm in 9th grade algebra II/trig, and we're just starting to do trig. So for work over spring break, we were assigned some... more
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04/11/15

Phantom profit
In its first month of operation, Kuhlman Company purchased 180 units of inventory for $5, then 280 units for $6, and finally 220 units for $7. At the end of the month, 240 units remained.Compute... more
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04/11/15

Low cost or market value
Sadowski Video Center accumulates the following cost and market data at December 31.Inventory Categories                      Cost Data               Market DataCameras                            ... more
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04/09/15

Phantom profit
In its first month of operation, Kuhlman Company purchased 180 units of inventory for $5, then 280 units for $6, and finally 220 units for $7. At the end of the month, 240 units remained.Compute... more
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04/09/15

how to solve attached??
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04/09/15

If the total in the account was $3,360, how much does each girl make per paycheck?
Ashlee, Adaku and Jasemine are going on a trip to the Carriebean! Each of the girls plans to contribute some of her paychecks to the combined savings account they've made to use on travel costs.... more
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04/09/15

LUMP SUM PROBLEM
So you want to be a “millionaire” and you have 45 years to achieve it. What lump sum could you invest now to reach your goal, assuming that (on average) you receive an annual rate of return of 9%... more
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