2 years ago

What is the geometric mean of 6 and 10

Mathematics

1 answer:

xenn [34]2 years ago

6 0

Answer:

the geometric mean is 6,1

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A rectangular storage container with an open top is to have a volume of 10 m3. The length of this base is twice the width. Mater

Gala2k [10]

L = 2 W
B = L x W = 2 W²
Side Area = 2 W H + 2 L H = 2 H ( W + L ) = 6 H W
V = 2 W² H = 10
H = 5 / W²
Cost = 15 * 2 W² + 9 * 5/W
= 30 W² + 270/ W
C ` = 60 W - 270 / W²
= ( 60 W² - 270 ) / W² = 0
60 W² = 270
W ² = 270 : 60
W² = 4.5
W = √ 4.5 = 2.12
Cost (min) = 15 * 2 * 4.5 + 30 / 2.12 = 135 + 14.15 = $149.15
Answer: The cost of materials for the cheapest such container is $149.15.

8 0

2 years ago

M=p/n+4 make n the subject

Kipish [7]

Answer:

$n = \frac {p - 4m}{m}$