Answer:
(9)(9) = .013. (53). 2. A company that manufactures video cameras produces a basic model and a deluxe model. In the past, 40% of cameras sold have been the basic model. Of those basic models sold, 30% of purchasers buy the extended warranty as well. Of the deluxe models sold, 50% purchase the extended warranty,.
The quadratic formula is:
and 
In this case, a = 2, b = -3, and c = -7
So, we can plug in the numbers to get:
and 
Simplifying, we get:
and 
You need to use a calculator to find what these would be in decimal form. The answer, rounded to the nearest tenth, is: x = 2.8, x = -1.3
Answer:
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Answer:
6 degrees
Step-by-step explanation: