A rotating wind turbine has a diameter of about 145 feet and its circumference is about 456 feet. A smaller model of the turbine

Question

3 years ago

12

A rotating wind turbine has a diameter of about 145 feet and its circumference is about 456 feet. A smaller model of the turbine

has a circumference of about 16 feet. What will the diameter of the model be? If necessary, round to the nearest whole number.
The diameter of the model will be about ___ feet

Mathematics

2 answers:

Serjik [45] · Answer 1 · 2022-03-28T07:36:04+03:00

Serjik [45]3 years ago

7 0

Answer:

ross-multiplication.

circumference divided by the diameter

10/x = 580/185

10x185=1850

1850/580=3.189

Step-by-step explanation:

give me brainliest

natulia [17] · Answer 2 · 2022-03-28T09:48:43+03:00

Answer:

7 feet.

Step-by-step explanation:

<u>Solve</u>

Set up a proportion using the given information for the turbine and its model.

C /d =

C /d

Set up a proportion.

660 /210 =

22/ d

Substitute the given values.

660 ÷ 30

210 ÷ 30 ≈

22/ d

Since 660 divided by 30 is approximately 22, divide 210 by 30 to find the value of d.

660 /210 ≈

22/ 7

d ≈ 7

The diameter of the model is approximately 7 feet.