44 square feet
Diameter (4) divided by 2 is radius (2).
SA = 2πr^2 + 2πrh
SA = 2 * 3.14 * 2^2 + 2 * 3.14 * 2 * 3
SA = 2 * 3.14 * 4 + 2 * 3.14 * 2 * 3
SA = 6.28 * 4 + 6.28 * 3
SA = 25.12 + 18.84
SA = 43.96
Round to the nearest tenth.
SA = 44 square feet
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The Empirical Rule affirm:
99.7 % random variable values are between
±
three standard deviation.
95 % random variable values are between
±
two standard deviation.
68 % random variable values are between
±
one standard deviation. There you go!
Answer:
A. 75.36 in^3
Step-by-step explanation:
r =3 in
h=8 in
v=1/3 π r^2h
= 1/3×3.14×3×8
=75.36 in^2
hope it helps...
have a great day!!
Answer:
$186.2
Step-by-step explanation:
38 kg costs $144.40
∴ 1 kg costs =
= $3.8
49 kg costs = 3.8 x 49
= $186.2