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NNADVOKAT [17]
3 years ago
15

The area of a face of a cube is 144cm^2 . find its volume​

Mathematics
1 answer:
love history [14]3 years ago
5 0

Step-by-step explanation:

1 face area = length x width (aka length x length since cube)

therefore 1 side = ±√144 cm = 12 cm or - 12cm (rej as length > 0cm)

volume = length x width x height = 12 x 12 x 12 = 1728cm^3

Topic: Mensuration

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

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zhannawk [14.2K]

Answer:

d. 92.84

Step-by-step explanation:

The top edge overhangs the bottom edge by (39 -27)/2 = 6 ft on both ends. This makes the slant side have length  

.. √((6 ft)^2 +(12 ft)^2) = 6√5 ft

Then the perimeter is

.. (39 +6√5 +27 +6√5) ft = 66 +12√5 ft

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3 years ago
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egoroff_w [7]
The correct answer is the first one(a): To get the system B,..., the first equation multiplied by 4...

Explanation:

1. Let us first multiple the first equation in System A with 4, we would get:
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Now add the equation (A) and the second equation of System A:

8x  - 4y = 12
3x + 4y = 10
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11x = 22 

Hence,
System B:
2x - y = 3
11x = 22

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3 years ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

First of all we do not know how many childen are in the Martin Family

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The scale model of a rectangular garden is 1.5 ft by 4 ft. The scale model is enlarged by a scale factor of 7 to create the actu
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