Help me with that white square please
2 answers:
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Answer:
Let's solve this with 3 calculations
1) Volume of the lower section (highlighted in blue)
3 cm hgt 16 cm long 3 cm wide
Volume = 3 * 3 * 16 = 144 cubic cm
2) Volume of left "block"
Volume = 4 cm hgt * 4 cm long * 3 cm wide =
4 * 4 * 3 = 48 cubic cm
3) Volume of right "block"
length = 16cm - 3 - 4 - 3 = 6 cm
Volume = 4 cm hgt * 6 cm long * 3 cm wide =
4 * 6 * 3 = 72 cubic cm
TOTAL VOLUME = 144 + 48 + 72 = 264 cubic cm
Step-by-step explanation:
Answer:
(6.931, 7.5)
Step-by-step explanation:
The point of maximum growth of a logistic function is always halfway between the horizontal asymptotes. Here, those are y=0 and y=15, so the point of interest is where f(x) = 15/2:
15/2 = 15/(1+4e^(-.2x)) . . . . . use 15/2 for f(x)
2 = 1 +4e^(-.2x) . . . . . . . . . . . match denominators
1/4 = e^(-.2x) . . . . . . . . . . . . . subtract 1, divide by 4
ln(1/4)/-0.2 = 5·ln(4) = x ≈ 6.93147 . . . . . . take natural logs, evaluate
The ordered pair (x, f(x)) is (6.93147, 7.5).
