Saturday
May 18, 2013

Posts by Nora


Total # Posts: 87

3rd Grade Identify polygons
Tim wants to make a polygon. He draws six straight line segments. Each line segment connects to two other line segments. Is Tim's shape a polygon? Explain.

c++
The distance between two cities is 500 miles. Let us call these cities as CityA and CityB. Employees live in the CityA and travel to the CityB every day in the morning and come back in the evening on the same day except on Saturday and Sunday. They do not travel on vacations,...

Physics
Assume a perfectly elastic collision between a 916g bat and a 145g baseball. Initially, the ball was moving at 32 m/s toward the ball and afterward it's heading away at 40 m/s. Find bat's speed before and after collision.

Math
Logan wants to determine the distance across the river from points B to C. If she is able to determine the measures given on the map using surveyors’ tools, what is the distance between points B and C? Round the answer to the nearest tenth of a foot

trig
Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)

trig
Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)

trig
Thank you!

trig
Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line y=x+4 on ,find the measure of theta in degrees.

Math
The clothing stor had a sale for 75% off most of its shoes.Malik selected a pair of shoes that regulary sell for 80. What is the sale of Malik's new shoes.

statistics
using excel find the variance of a sample of 30 observations selected randomly. Given that the median is 14.7, the mode is 11 and the coefficientof variation is 45%.

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