Which statement is true?
1 answer:
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B
the volume (V) of a sphere = πr³
We require to know the radius r to calculate the volume
using surface area of a sphere = 4πr² = 615.752
divide both sides by 4π
r² = = 49.0248...
take the square root of both sides
r = ≈ 7, hence
V= × π × 7³ = 1436.76 m³ → B
We have been given an expression . We are asked to choose the expressions, which are equivalent to our given expression.
Using exponent property , we can rewrite our given expression as:
Upon looking at our given choices, we can see that option D is the correct choice.
Let us simplify our given expression.
Upon cancelling out from numerator and denominator, we will get:
Using exponent property , we will get:
Therefore, option B is a correct choice as well.
The Holly is stringing lights around the edge of the patio is 37.68 feet.
<h3>What is a circle?</h3>It is a locus of a point drawn at an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.
A circular patio has a diameter of 12 feet.
Then the radius (r) will be
Holly is stringing lights around the edge of the patio will be
Thus, the Holly is stringing lights around the edge of the patio is 37.68 feet.
More about the circle link is given below.