Answer:
0.77 M
Step-by-step explanation:
I'm going to assume this is a half-circle
Formula:
A = (πr^2)/ 2
D = 1.4
r = 0.7
A = (π 0.7^2)/2
A = (0.49π)/2
A = 0.7693
A = 0.77
A-F
(A line drawn from a center of the circle to the circumference forms the radius)
Hope this helps
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Answer:
8 represents the temperature at the mid night of Friday was 8°.
Step-by-step explanation:
The weather service measures the temperature, T, every hour, h, beginning at midnight of each 24-hour period.
If on Friday, the temperature was modeled by T = 43h + 8.
That means at h =0 i.e. at the midnight the temperature T is given by 8.
So, 8 represents the temperature at the midnight of Friday was 8°. (Answer)