mccdp55
26.11.2019 •
Mathematics
Find the area of the semicircle.
the diameter of the circle is 14
either enter an exact answer in terms of {pie} or use 3.14, for {pie} and enter your answer as a decimal.
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Ответ:
76.93 units²
Step-by-step explanation:
Diameter, = 14
radius = 1/2 x diameter = 7
Area of circle = π r²
Area of semi-circle = 1/2 x area of circle = (1/2)π r²
given r = 7 and π = 3.14
Area if semicircle,
= (1/2)π r²
= (1/2)(3.14) (7)²
= 76.93 units²
Ответ:
-x²+x+20 | x+4
+x²+4x -x+5
\\\\ 5x+20
-5x-20
\\\\\\\\\
f(x) = (x+4)(-x+5) / (x+4)
f(x) = (-x+5)
The graph is a decreasing line, with origin from 5.