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muminat
3 years ago
15

If r = 8 units and x = 8 units, then what is the total surface area of the cylinder shown above?

Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0
The surface area of a cylinder is the area of the top and bottom circle and the side of the cylinder, which is really a rectangle with the circumference of the circle for the length and x for the width.
So the formula is 2 \pi rh+2 \pi r^2
Plug in r  and x into the equation;
2* \pi *8*8 +2* \pi *8^{2}
128 \pi +128 \pi 

256 \pi
which is about 804.25 square units since it is an area.
Hope this helps. 
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If you would like to know what is 3 divided by 5 5/8, you can calculate this using the following steps:

5 5/8 = 45/8
3 divided by 5 5/8:
3 / 5 5/8 = 3 / 45/8 = 3 * 8/45 = 8/15

The correct result would be 8/15.
5 0
3 years ago
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Marissa deposited $3,900 into a savings account. How much will Marissa have in her account after 7 years and 6 months at a yearl
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Marissa wants to know how much she would make using the simple interest calculation.

She will have $4,432.35

Given data

Principal = $3,900

Time = 7 years 6 months = 7.5 years

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Equation:

A = P(1 + rt)

Calculation:

First, converting R percent to r a decimal

r = R/100 = 1.82%/100 = 0.0182 per year.

Solving our equation:

A = 3900(1 + (0.0182 × 7.5)) = 4432.35

A = $4,432.35

The total amount accrued, principal plus interest, from simple interest on a principal of $3,900.00 at a rate of 1.82% per year for 7.5 years is $4,432.35.

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brainly.com/question/20690803

3 0
2 years ago
Round 452 to the nearest hundred
Anna007 [38]

Answer:

500

Step-by-step explanation:


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3 years ago
What is the sum of the of the infinite geometric series 0.7+0.07+0.007+...?
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a

Step-by-step explanation:

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Answer:

20 units

Step-by-step explanation:

This implies that the square can be divided into four equal L-shaped regions. These regions with respect to transformation forms a square.

Perimeter of the square is 40 units. Since a square has equal length of sides, thus each side of the square is 10 units.

Thus, each L-shape region has dimensions; 8 units, 5 units, 5 units and 2 units.

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3 years ago
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