Tuesday
June 18, 2013

# Posts by jimmy

Total # Posts: 737

math
each of the 15 student council members of Blakemore Elementary School is responsable for telling exactly 2 other students about the upcoming school pep assembly. Each of those 2 is then responsable for telling 2 other students. It takes 15 minutes for each round of stundents t...

chemistry
In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease except a) the vapor pressure b) the boiling point c) the freezing point d) the triple point

chemistry
so b?

chemistry
When 7.50 grams of iodine (I2) is added to 48.7 grams of carbon tetrachloride (CCl4), the iodine dissolves and a solution is formed. The weight percent of the iodine in the solution is a) 13.3 % b) 15.6 % c) 60.7 % d) 2.96 % e) 86.0%

multiplication and arrays
strategy practice explain hoe you can multiply 3x24 by using arrays. then give the product.

math/estimating products
an arena seats 7,893 people.The circus is in town and all of the tickets have been sold. If the circus has 4 performances, about how many tickets were sold?

algebra

algebra
Suppose that a quadratic equation had two x-intercepts. How could you use the intercepts to find the vertex?

algebra
When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?

Science
A traffic light turns green, a car accelerate from rest and cover 10m in 4s . What is the acceleration of the car , assume uniform acceleration

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