Saturday
December 7, 2013

# Posts by Derek

Total # Posts: 232

statistics
0.4108 0.6892

Chemistry
How much heat is required to warm 1.50 kg of sand from 20.0 C to 100.0 C?

science
A proton (mass m = 1.67 multiplied by 10-27 kg) is being accelerated along a straight line at 2.2 multiplied by 1015 m/s2 in a machine. The proton has an initial speed of 2.4 multiplied by 107 m/s and travels 3.8 cm. (a) What is its speed? m/s (b) What is the increase in its k...

algebra
sorry that answer was wrong tis is the right one 3x(43+82/3)*(879/615=y78)

algebra
54x3y

geometry
4 square root 56y8

calculus
Solve the following differential equation: f"(x)=sinx, x(0)=0, x'(0)=1

psychology
In psychology, the study of personality focuses on: change. stability. external factors. learned factors

geometry
a large square has sides of 24 units, midpoints of its sides are connected to create a smaller square. what is the area of the smaller square

Math
1,5,10,10,5,1

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