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USPshnik [31]
3 years ago
15

HELP ASAP George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and extends

12 inches beyond the edge of the pool. A rope runs along the edge of the cover to secure it in place.
a.
What is the area of the pool cover?
b.
What is the length of the rope?
Mathematics
1 answer:
enyata [817]3 years ago
3 0
The pool has a diameter 20 ft so:  r = 10 ft.
The pool cover extents 12 inches beyond the edge of the pool. 
12 inches = 1 foot
Therefore, the radius of the pool cover is : r = 10 + 1 = 11 ft.
a. The area of the pool cover:
A = r² π = 11² π = 121 π ft²
b.  The length of the rope:
l = 2 r π = 2 · 11 π = 22 π ft.
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Does 0.007/10=0.07

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NO if you wanted to get 0.07 you would have to multiply not divide.

Step-by-step explanation:

0.007/10=0.0007

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8 0
3 years ago
Use the equations to find the perimeter equation
Law Incorporation [45]

The perimeter of the park is 3x^2 + 37x - 4

<h3>How to determine the perimeter?</h3>

The side lengths of the triangular park are:

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Add these sides to determine the perimeter

P = 10x + 3x^2 - 8 + 12x + 15x + 4

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Evaluate the sum

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Hence, the perimeter of the park is 3x^2 + 37x - 4

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6 0
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3 0
3 years ago
Read 2 more answers
List 0.5 1/5 0.35 12/25 4/5 from least to greatest
Anika [276]
One way is to make them all decimals or all fractions:

.5   .2  .35  .48  .80  are the numbers above changed to decimals.
I will make them the same length (two digit past the decimal point) to compare
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Now it is easy to put them in order

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Let's put them into all fractions

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Instead of finding a common denominator let's try this:
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5/10 is exactly half the questions right (so it is bigger than 12/25 by a little).
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So 1/5, 35/100, 12/25, .5 and 4/5 are in order least to greatest and match the answer above in bold.
3 0
3 years ago
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