Answer:
3.16
Step-by-step explanation:
Mean:
(12+14+5+13+11)/5
11
Sum of squares:
12²+14²+5²+13²+11²
655
Variance = 655/5 - 11²
= 10
sd = sqrt(10)
3.16227766
The formula is V= nR^2H
V=(3.14)(6.5)^2(16)
V=(3.14)(42.25)(16)
V=(3.14)(676)
V=2122.64cm ^2
Answer:
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Answer:
She drove 4 minutes
Step-by-step explanation:
Answer:
15 feet
Step-by-step explanation:
The ladder is the hypotenuse of a right triangle, with the legs being 9 ft and 12 ft long (see the picture).
To solve for the length of the ladder, use the Pythagorean Theorem.
