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DiKsa [7]
2 years ago
15

Find the Volume! ^^ (Giving brainiest)

Mathematics
1 answer:
Darya [45]2 years ago
7 0

Answer:

The total volume of the composite figure is 420 ft³.

Step-by-step explanation:

I'm not sure but I solved it as fast as I could

I apologize if it's incorrect :(

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An aluminum rod 0.500 m in length and with a cross-sectional area of 2.20 cm2 is inserted into a thermally insulated vessel cont
netineya [11]

Answer:

a). V_{He}   = 14.6208 litres : b). = 0.29844 Litres/sec

Step-by-step explanation:

a).

Step 1.

Volume when one half of rod is inserted = (50/2)*(2.2) = 55cm³

Step 2.

As we know that,

V_{He} = (ρV_{c}IΔT)_{Al} / (ρL_{v})H_{c}                     where H_{c} = 290 - 4.2 = 285.8K

                                                        sepecififc heat of aluminum = 0.215 cal/g

                                                                                      density = 2.7 g/cm3

      = (2.7)*(55)*(0.215)*(285.8) / (0.125)*(20900)*(1/4186)

V_{He}   = 14.6208 litres

b).

Step 1.

As we know that

  P = kA(dT/dx) = 31*2.2*[(290-4.2)/25]

                         = 779.6624 W

Step 2.

Now, approximate boil rate of helium is:

P/ρL_{v}= [(779.6624)*(10^3g/kg)] / [(0.125)*(20900)]

         = 0.29844 Litres/sec

6 0
3 years ago
Is 9.63 < or > than 1.82? And how do you tell
lana66690 [7]

Answer:

The answer is > because 9.63 is greater than 1.82

Step-by-step explanation:

9.63 is a larger number than 1.82

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3 years ago
.<br>2. Two angles forming a linear pair are always​
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Answer:

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Step-by-step explanation:

A linear pair of angles is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees

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Solve the equation. | 2x + 0.75 |=5 6/7
jenyasd209 [6]

Answer:

the first one if you solve it it will be the same and the second one 41/7

Step-by-step explanation:

3 0
2 years ago
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What is the explicit rule for the sequence?<br><br> 10.5, 9, 7.5, 6, 4.5, 3, ...
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Answer: the rule is to add 1.5

3 + 1.5 = 4.5
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