What is the diameter of a circular swimming pool with a radius of 9 feet? enter only the number

Mathematics

2 answers:

Vilka [71]3 years ago

8 0

Answer:

Step-by-step explanation:

<em>Hey there!</em>

Well radius is half the diameter so,

D = r*2

Plug in 9

D = 9*2

D = 18

<em>Hope this helps :)</em>

kondor19780726 [428]3 years ago

7 0

Answer:

The answer is 18 feet

Step-by-step explanation:

To find the diameter of a circle given it's radius we use the formula

diameter = radius × 2

From the question

radius = 8

So the diameter is

<h3>diameter = 9 × 2 = 18 feet</h3>

Hope this helps you

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A clothing manufacturer uses the model a=f+4−−−−√−36−f−−−−−√ to estimate the amount of fabric to order from a mill. In the formu

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Questions:

A clothing manufacturer uses the model a = √(f + 4) - √(36 - f) to estimate the amount of fabric to order from a mill. In the formula, a is the number of apparel items (in hundreds) and f is the number of units of fabric needed. If 400 apparel items will be manufactured , how many units of fabric should be ordered?

Answer:

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Step-by-step explanation:

Given

$a = \sqrt{f + 4} - \sqrt{36 - f}$