Mathematics

Geometry Unit 4 Test Answer Key

Take this free Geometry Unit 4 practice test. Further, you can find test answers. Geometry Unit 4 Test Answers   Construction A drawing using only a compass and straightedge.   Straightedge A ruler or tool used to draw straight lines.   Compass A geometric tool used to draw circles and parts of circles called arcs. …

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a simple random sample of items resulted in a sample mean of . the population standard deviation is . round your answers to two decimal places.

A simple random sample of 20 items resulted in a sample mean of 10. The population standard deviation is = 3. Round your answers to two decimal places. A. What is the standard error of the mean,? B. At 95% confidence, what is the margin of error? Answer 0.7906 What is the standard error of …

a simple random sample of items resulted in a sample mean of . the population standard deviation is . round your answers to two decimal places. Read More »

Unit Circle Practice Quiz

Questions and Answers to Learn 1) Based on your unit circle cos(0o)= 1 0 -1 1/2 2) Based on your unit circle sin(90o)= 1 0 -1 1/2 3) sin(5π/3)= 1/2 -√3/2 √3/2 -1/2 4) sin(7π/4) 1/2 -√2/2 √2/2 -1/2 5) sin(3π/2) 0 1 -1 1/2 6) Find the exact value of cosine 135º. – √2/2 …

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