Arealbot
10.05.2021 •
Mathematics
H(t)=2t+3
g(t)=4t-3
Find (h○g)(t)
A) 8t-3
B) 8t+9
C) -8t+9
D) -8t^2 +20t+5
I dont understand what it is wanting me to do with the equation. It is not multiplication. Help Please
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Ответ:
50.27 cm²
Step-by-step explanation:
Subtract the area of the smaller circle from the area of the larger circle
The area of a circle = πr² ( r is the radius )
area = π × 5² - π × 3² = 25π - 9π = 16π ≈ 50.27 cm² ( nearest hundredth )