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Anuta_ua [19.1K]

3 years ago

9

Geno has a fish tank that is a rectangular prism with a base measuring 7 feet by 3 feet and a height of 3 feet. He wants to fill

the base of the tank with pebbles 6 inches height. How much space, in cubic feet, do the rocks in the tank cover?

1 answer:

Charra [1.4K]3 years ago

8 0

It is 53 because 7*3*3

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F ( x ) = 5 ( 2 − x ) , what is the value of f ( − 8 )

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Step-by-step explanation:

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A rectangular prism has dimensions of 3 cm. by 5 cm. by 5 cm. What is its surface area?

Bogdan [553]

$\bf \textit{surface area of a rectangular prism}\\\\ SA=2Lw+2Lh+ 2wh~~ \begin{cases} L=length\\ w=width\\ h=height\\ \cline{1-1} L=3\\ w=5\\ h = 5 \end{cases} \\\\\\ SA=2(3\cdot 5)+2(3\cdot 5)+2(5\cdot 5)\implies SA=30+30+50\implies SA=110$

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Q.8) In ΔABC, angle B = 90°, angle A = 60°, angle C = 30°, AC = 17 then AB is.... *

vazorg [7]

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3 years ago

What is the variance of the following data? If necessary, round your answer to two decimal places 600,470,170,430,300

Mkey [24]

Answer:

72112885110079700000000000000.00

Step-by-step explanation:

X(mean) = (600470170430300 + 23056 + 22123 + 21704 + 20365) / 5 = 120094034103510

n=5

S²(variance) = ((600470170430300-120094034103510)²+(23056-120094034103510)²+(22123-120094034103510)²*+(21704-120094034103510)²+(20365-120094034103510)²/(5-1)

S² = 72112885110079700000000000000.00

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