April 2021
How far is point E from corner A in meters?
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What is the bearing of side BC?
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lXCn0Dq-0 Situation: A triangular lot ABC have side AB of length 94 m and bearing N 45° E and side AC of length 88 m, in clockwise direction.
Situation
A triangular lot ABC have side AB of length 94 m and bearing N 45° E and side AC of length 88 m, in clockwise direction. A dividing line DE with D alongside AB and E alongside AC is to be made and with D 43 meters from A. The area of triangle EAD is 1/7 of the total area of the lot. The lot has a total area of 4,100 square meters.
xO3wmaY-0 Situation: Five hundred pesos is deposited monthly to an account earning 7% compounded monthly.
Situation
Five hundred pesos is deposited monthly to an account earning 7% compounded monthly.
A disease is known to affect 1 in 10,000 people. It can be fatal, but it is treatable if it is detected early. A screening test for the disease shows a positive result for 99% of the people with the disease. The test also shows positive for 2% of people who do not have the disease. Find the probability that somebody is healthy given that they have positive test result?