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galarzachristopher
19.10.2021 •
Mathematics
Help me pretty please
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Ответ:
segment AD and 15 degrees
Step-by-step explanation:
An altitude is where the line is perpendicular to the base.
I started by solving triangle BAD's third angle that isn't given, and used the sum of the angles of a triangle to solve 180-90-66=24 so angle BAD = 24 degrees
Next, I used the given that AE is a bisector of Angle BAC to establish that 1/2 the measure of Angle BAC = Angle BAD+Angle DAE
to solve for Angle BAC I took the largest triangle (BAC) and used the sum again to solve 180-36-66=78.
Then I substituted 78/2 into the equation I set up earlier so 78/2 = Angle BAD+Angle DAE
I substituted Angle BAD's measurement and simplified 78/2 to get 39=24+x
I then subtracted and got x=15
Ответ:
The answers are 3 and 7.
Step-by-step explanation:
We have given the table of values of f(x) and g(x).
We have to choose the value of x when f(x) = g(x).
when x = 1
f(x) = 1 ≠ 3 = g(x)
when x = 3
f(x) = -9 = g(x)
when x = 5
f(x) = 0 ≠ -2 = g(x)
when x = 7
f(x) = 2 = g(x)
when x = 9
f(x) = 12 ≠ 9 = g(x)
when x = 11
f(x) = 11 ≠ 1 = g(x)
Hence, the answers are 3 and 7.