Thursday
June 20, 2013

# Posts by Shane

Total # Posts: 255

Maths
The diagonals of a rhombus are 320mm and 240mm in length.Find the angles of the rhombus.

Maths
If cos A=3/5 and A is acute,find sin A,tan A,and sec A.

Science
Invent a unit to measure how fast you spend your money

Science
List the types of energy according to the: (a)content/particle arrangement (b)energy changes involved

Science
what is the unit for measuring the speed at which a motor spins?

alebra
the sum of twice a number and 4 less than the number is tha same as the diiference between -36 and the number. What is the number?

physics
What is the apparent weight of a lead brick 2.0 in x 2.0 in x 8.0 in if placed in oil with density p=0.93 g/cm^3 (Ppb=11.4 g/cm^3)(1 in. = 2.54 cm)

Physics
Why does the volume of air bubble increase as it rises toward the surface?

math
For the party, 105 re and blue balloons were inflated. There were 3 red balloons for every 2 blue balloons. How many blue balloons are there?

statistics
An organization sends a random sample of surveys to 100,000 people and received 4,781 responses. A) Give a 95% confidence interval for the true proportion of those from their entire mailing list who may donate.

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