01/24/16

Roasted coffee loses 12% of its weight. How much raw coffee will make 14.08 lb of roasted coffee?
It looks easy, but It is hard!
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01/24/16

What is $52.71 more than 4 times the beginning value of the ending value is $172.90
What is $52.71 more than 4 times the beginning value of the ending value is $172.90
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01/22/16

difference
plan a cost 45$ per month for 700 minutes plan b cost 70$ a month for 1500 minutes both plans charge 15 cents for each additional minute used. if he uses 1200 minutes per month. how much will he... more
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01/21/16

question is in the description box
Write an equation that models an investment of $300 that earns 3.1% interest compounded weekly?
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01/21/16

question is in the description box
A citys population grows by about 1% each year. If the citys population is 63,000 people now, what will the population be in 4 years?
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01/21/16

how many molecules are there in 3L of CCl4, at STP
how many molecules are there in 3L of CCl4, at STP
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01/20/16

business math
Miguel borrowed $1,800 for  2 years and ended up paying $180 in simple interest . What was the interest rate? a) 3% b)4.2% c)5% d)10%
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01/20/16

business math
how often is simple interest used in the business and banking worlds?
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01/20/16

business math
you deposit $ 1,000 for years at an interest rate  of 2.0% If the interest is compounded quarterly .How much money would you have at the end of the four years ?
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01/20/16

How does one come to the answer 0.12 from (0.045 + x * 0.504) / (0.003 + x * 0.0105) = 25. What rules are involved to solve this equation?
How does one come to the answer 0.12 from (0.045 + x * 0.504) / (0.003 + x * 0.0105) = 25. What rules are involved to solve this equation?EDIT: thanks for pointing it out. :D
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01/20/16

Population
The population of a small town in Maryland has grown at a constant rate over the last ten years. In 1998, the population was 305 people. If the population increased by 15% each year, what is the... more
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01/19/16

what is the average population size in 1960?
in 2010, the population of the United States was 3x10^8 and the land area is 9,191,966 sq kilometers. in 1960, the area is the same but the population is 179,323,175. what is the average population... more
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01/14/16

To take a cab in Toronto, the cost per kilometre is $1.30 plus a fixed cost. a 15km taxi ride costs $22.25.
determine the equation of the line relating distance and cost.
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01/14/16

two trucks leave a warehouse at the same time.
Two trucks leave a warehouse at the same time. One travels due north at an average speed of 58 miles per hour, and the other travels due south at an average speed of 48 miles per hour. After how... more
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01/11/16

business math
Calculate the net price that a chain store pays if the list price of the item is  $25.99 but the invoice stipulates a 40/10 chain discount. a)$12.99 b)$13.99 c) $14.03 d) $15.03
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01/10/16

Sophia wants to tie a string around a heavy permanent records storage box (25cm high x 30cm long x 20cm) and have 20cm of string left to tie a secure knot. How
Sophia wants to tie a string around a heavy permanent records storage box (25cm high x 30cm long x 20cm wide) and have 20cm of string left to tie a secure knot. How long should the precut string... more
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01/09/16

Bearings Project
I have NO idea how to do any of this. I've been trying for 2 weeks without any luck.   Bearings: (Start on the right of the paper) Beginning at the first survey marker (A), proceed 227.0 feet... more
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01/07/16

evaluate the expressions. write your answer in scientific notation.
3.6x106/1.2x105        (2.6x10-7)(5.3x106) (   (2x104)-2
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01/06/16

After a total 15 sheets of 52 yen stamp and the 82 yen stamp, the sum of the price was 960 yen. As sheets the number of 52 yen stamps
Thank you. Its in japanese but managed to make it in english
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01/04/16

Find the area of the largest rectangle that can be inscribed in a right triangle with legs of lengths 3 cm and 4 cm if two sides of the rectangle lie along the
Find the area of the largest rectangle that can be inscribed in a right triangle with legs of lengths 3 cm and 4 cm if two sides of the rectangle lie along the legs.
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12/21/15

how much cheese mixture is left to cook with the macaroni?
a recipe for homemade macaroni and cheese calls for a mixture of 2/3 cup of american cheese and a 1/2 cup of cheddar cheese. after mixing you need to save 1/4 cup of mixture to sprinkle on the top.
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12/19/15

A farmer bought a number of pigs for $192. However, 3 of them died before he could sell the rest at a profit of 2 per pig. His total profit was $18. How many pi
A farmer bought a number of pigs for $192. However, 3 of them died before he could sell the rest at a profit of 2 per pig. His total profit was $18. How many pigs did he originally buy?
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12/17/15

A pharmacist has a 12% solution of boric acid and a 20% solution of boric acid. How much of each must he use to make 80 grams of a 15% boric acid solution?
?  grams of 12% solution of boric acid and  ? grams of 20% solution of boric acid.
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12/17/15

To feed her family of 8, abby spends $184 per week at the grocery store. Danielle's spending for her family of 5 is proportional Abby's.
To feed her family of 8, abby spends $184 per week at the grocery store. Danielle's spending for her family of 5 is proportional Abby's.
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12/16/15

How can molecules have a greater chance of colliding?
How can molecules have a greater chance of colliding?
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