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uysha [10]
3 years ago
5

what is the circumference of a circular swimming pool with a diameter of 6 1/2 feet use 22 over 7 for pi

Mathematics
2 answers:
olganol [36]3 years ago
7 0

Answer:

20.428571

Step-by-step explanation:

C=(22/7)d

C=(22/7)6.5

C=20.428571

ch4aika [34]3 years ago
3 0

Answer:

20.4285714289

or ≈20.4

Step-by-step explanation:

2*pi*r

radius = diameter/2 = 6.5/2

r=3.25

22/7=3.1428571429

2*3.1428571429*3.25

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3 years ago
What is the cosine of angle F <br><br>A. 4/5<br>B. 3/4<br>C. 5/4<br>D. 3/5​
saveliy_v [14]

Answer: option D

Step-by-step explanation:

Remember the cosine identity:

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Given the right triangle DFE shown in the image, you can identify that the adjacent side and the hypotenuse for the angle F of this triangle are:

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Now you can substitute values into  cos\alpha=\frac{adjacent}{hypotenuse} and then reduce the fraction.

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6 0
3 years ago
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Sladkaya [172]

Answer:

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Step-by-step explanation:

Given that the line passes through the point (5,4).

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And we have point (5,4) from which the line is passing.

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So, the equation of the line that is passing through the point (5,4) and is parallel to x-axis would be y=4

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emmainna [20.7K]
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