Sunday
May 19, 2013

Posts by Jonny


Total # Posts: 28

english
c but not sure

geometry
ye has 44 feet of fencing to enclose a rectangular garden. She wants to to enclose as much area as possible. use trial and error to find maximur are faye can enclose with all 44 feet of fence. name the lencth and width that gives maximum area.

math
draw and label BN. Draw and label point T on it.

math
An eighth-grade student claims she can prove that subtraction of integers is commutative. She points out that if a and b are integers, then a-b = a+ -b. Since addition is commutative, so is subtraction. What is your response?

Algebra
A tourist bus leaves Richmond at 1:00 P.M. for New York City. Exactly 24 minutes later, a truck sets out in the same direction. The tourist bus moves at a steady 60km/h. The truck travels 80km/h. How long did it take the truck to overtake the bus.

Algebra
A car started out from Memphis toward Little Rock at the rate of 60km/h. A second car left from the same point 2 hours later and drove along the same route at 75km/h. How long did take the second car to overtake the first car.

physics
Assume the mass of the object remains constant. If the Kinetic Energy of an object changes by 1/3, by what factor has its speed changed?

Physics
Three charges are arranged in an equilateral triangle with sides of 4 cm. The coordinates and corresponding charge values are as follows: +4q at (-2,0); +2q at (2,0); -q at (0,3.464). The elementary charge of an electron is given by q = -1.602 x 10^-19 C. Determine the torque ...

12th grade Biology
metabolic reactions are catalyzed by enzymes that have multiple functions.

9th grade
What is the product of 23 and -27? -------------------------------------------------------------------------------- -621 -521 521 621

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