Total # Posts: 16
scores on the SAT critical reading test in 2013 follow a normal distribution with a mean score of 496 and a standard deviation of 115. what proportion of scores are higher thzn 530? what proportin of scores are between 400 and 500? the highest 10% of scored are higher than a ...
January 31, 2017
Algebra 2/ Trig
Igor is flying a kite. he has let out 300 feet of kite string. the string makes an angle of 64 degrees with the level ground. To the nearest foot, how high is his kite?
January 21, 2014
fourth grade math
one factor of the mystery number is 7 the other factor is an odd number greater than 8 and less than 15 the mystery number is greater than 75 the sum of the digits of the mystery number is 10 what is the mystery number? what is the missing factor????
March 30, 2012
earth and space science
Materials, such as water, that becomes gaseous easily at room temperature are called volatiles. How does the complete lack of volatiles in lunar rocks support the impact theory of the moons formation?
April 29, 2010
At an accident scene on a level road, investigators measure a car's skid mark to be 98 m long. It was a rainy day and the coefficient of friction was estimated to be 0.38. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.
October 21, 2009