The spheres are similar. The surface area of the blue sphere is 9160.9 square centimeters with a radius of 27cm. What is the surface area of the red sphere with a radius of 6cm ? Round your answer to the nearest tenth.

452.5 square centimeters

Step-by-step explanation:

A sphere is a three-dimensional ball-shaped object. The surface area refers to the total area of the surfaces of a 3D shape. The surface area of a sphere can be calculated using the formula: A = 4πr^2

Where r= radius

A = surface area

π = 22/7 or 3.142

According to the question, there are two spheres; one of red color and the other one is blue color. The surface area of the blue sphere with radius 27cm has been calculated already using:

A = 4πr^2

A = 4 × 3.142 × 27 × 27

A = 9160.9

Now, using the same formula but a smaller radius of 6cm, we can calculate the surface area of the red sphere;

A = 4πr^2

A = 4 × 3.142 × 6 × 6

A = 452.445

Hence, the surface area of the red sphere to the nearest tenth is 452.5 square centimeters.

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

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step-by-step explanation: