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daser333 [38]
3 years ago
14

The tile along the edge of a triangular community pool needs to be replaced.

Mathematics
2 answers:
Gre4nikov [31]3 years ago
6 0

Answer:

Third option: 12x^2+8x+25

Step-by-step explanation:

s1=8x^2

s2=4x^2+15

s3=8x+10

Total perimeter of the pool edge: P

P=s1+s2+s3

Replacing s1, s2 and s3 in the formula above:

P=(8x^2)+(4x^2+15)+(8x+10)

P=8x^2+4x^2+15+8x+10

Adding like terms:

P=12x^2+8x+25

suter [353]3 years ago
6 0

Answer:

12x^2+8x+25

Step-by-step explanation:

We are given that

Perpendicular length side of triangle  =4x^2+15

Base of triangle=8x+10

Hypotenuse of right triangle =8x^2

We have to find the expression which represents the total perimeter of the pool edge.

We know that

Perimeter of triangle=Sum of three sides of triangle

Substitute the values then we get

Perimeter of right triangular pool edge=4x^2+15+8x+10+8x^2

Combine like terms

Perimeter of right triangular pool edge=12x^2+8x+25

Hence, the perimeter of the pool edge is given by

12x^2+8x+25

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Answer:

Part a) V=1,000\ ft^{3}

Part b) h=5\ ft

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Step-by-step explanation:

Part a) What is the volume of your friend's swimming pool?

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we know that

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we have

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substitute and solve for h

1,000=\pi (8)^{2} h

h=1,000/(64 \pi)

h=1,000/(64*3.14)=5\ ft

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remember that

1\ ft=12\ in

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6\ in=6/12=0.5\ ft

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1,000\ ft^{3}-904.32\ ft^{3}=95.68\ ft^{3}

convert to gallons

remember that

1\ ft^{3}=7.5\ gal

so

95.68\ ft^{3}=95.68*7.5=718\ gal

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2 years ago
What is another way to write the calculation add 16 and 25, and then multiply by 47?
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Answer:

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Step-by-step explanation:

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