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Dvinal [7]
3 years ago
5

Martha made a purchase for $70.20 including 8% sales tax. What was the total before tax?

Mathematics
1 answer:
Oduvanchick [21]3 years ago
3 0

Answer:

64.58

Step-by-step explanation:

100%-8%=92%

70.20*92%=64.58

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A surface area of a cube is related to its volume V by A = 6. V(2/3). If the volume of a
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The surface area of the cube is 64 cm².

<h3 /><h3>What is volume?</h3>

Volume is the amount of space that is enclosed within a container.

To calculate the surface area of the cube, we use the relation below.

Formula:

  • A = 6V{2/3}............ Equation 1

Where:

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  • V = Volume of the cube.

From the question,

Given:

  • V = 35 cm³

Substitute this value into equation 1

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Hence, The surface area of the cube is 64 cm².

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answered • expert verified

The perimeter of the triangle is 6a + 3 units. Write an expression in simplest form for the length of Side 3.

2

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The length of the third side is a-2.

Given that:

Perimeter of triangle: 6a + 3

Length of first side: 2(a+3)

Length of second side: 3a -1

Let the length of the third side of the triangle be x.

Then as perimeter of a triangle is sum of lengths of all 3 sides of the triangle, thus we have:

Thus we have length of the third side as a -2.

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You stand at point C and look at an aquarium tank. Calculate the radius of the aquarium tank.
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