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➷ Use the geometry rule:
(|(20(-2) - 21(3) - 42|) / square root of 20^2 + (-21)^2
Now you get:
(x + 2)^2 + (y - 3)^2 = 5^2
This can also be written as:
x^2 + 4x + y^2 - 6y - 12.
It would be option B
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Answer:
5
Step-by-step explanation:
Answer:
α = 20.5
β = 69.5
c = 90
Step-by-step explanation:
we have to make 2 equations one for the relationship between the angles and another for the sum of all the angles
β and α are the acute angles
β = 3α + 8
α + β + 90 = 180
we replace in the second equation the value of β by (3α + 8)
α + β + 90 = 180
α + (3α + 8) + 90 = 180
a + 3a = 180 - 90 - 8
4a = 82
a = 82/4
a = 20.5
now we replace the value of b in the other equation
β = 3α + 8
β = 3 * 20.5 + 8
β = 69.5
Answer:

Step-by-step explanation:
<u>Find the derivative of the function when x=3</u>
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Since the change in the value of the function is
and we know that the change in x is
, then we have:




Therefore, the 2nd option is correct
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