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Monica [59]
3 years ago
13

Mark placed a pool in his backyard, which is enclosed by a triangular fence. The radius of the pool is 20.5 feet How much of the

backyard is not covered by the pool? Use

Mathematics
1 answer:
tatiyna3 years ago
7 0

Answer:

2644.415 feet spuared

Step-by-step explanation:

I think the attached photo is your full question, and my answer:

We need to find:

- the area of the  pool = πr^{2} = 3.14* 20.5^{2} = 1319.585 feet spuared.

- The area of the triangular fence = 1/2* 84*92 = 3964 feet spuared

So, the area of the backyard which is not covered by the pool is:

<em>The area of the triangular fence - the area of the  pool</em>

= 3964 - 1319.585

= 2644.415

Hope it will find you well.

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5x4 – 7x3 – 5x2 + 5x + 1 = 0
olya-2409 [2.1K]
20 - 21 - 10 + 5x +1= 0
5x = 10
x = 2
5 0
3 years ago
Determine if y varies directly with x. Give the constant of variation, when appropriate. (picture below)
maxonik [38]

Based on the given variation, y does not vary directly with x and the constant of variation are 8, 3.2 and 1.25 respectively.

<h3>Variation</h3>

y = k × x

where,

k = constant of proportionality

y = -40

x = -5

y = k × x

-40 = k × -5

-40 = -5k

k = -40/-5

k = 8

when,

y = 8 and x = 2.5

y = k × x

8 = k × 2.5

8 = 2.5k

k = 8/2.5

k = 3.2

when,

y = 5 and x = 4

y = k × x

5 = k × 4

5 = 4k

k = 5/4

k = 1.25

Learn more about variation:

brainly.com/question/6499629

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5 0
1 year ago
60 m
lakkis [162]

where is your triangle mate??

hope this helps u

follow me

mark as brainliest

thank me

5 0
2 years ago
Copy the table below onto your paper. Complete it then write an equation that relates x and y.
IRISSAK [1]
The equation is y = x - 3. just subtract 3 to get all of the blank spots.
5 0
3 years ago
A circle has a radius of 26.85 inches.
Vsevolod [243]

Answer:

168.61

Step-by-step explanation:

C=2*Pi*R

C=2*3.14*26.85

C=6.28*26.85

C=168.61

5 0
3 years ago
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