- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: A sealed-beam headlight is in the shape of a paraboloid of revolution. The bulb, ... (Read 86 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
Did you know?
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.