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cluponka [151]
2 years ago
10

A rectangular swimming pool has length (x + 4) meters and width (x - 2) meters. The area of the

Mathematics
1 answer:
Komok [63]2 years ago
6 0

Answer:

The length if the pool is 12

Step-by-step explanation:

Formula: A=lw or lw=A

> (x+4)(x-2)=72

> (x²-2x+4x-8)=72

> x²+2x-8=72

> x²+2x-8-72=0

> x²+2x-80=0

Factor

> x²+10x-8x-80

> x(x+10)-8(x+10)

>(x+10)(x-8)

Check:

(x-4); (x-2); x=8

(8+4)=12 Length

(8-2)=6 Width

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3/4 −(x+ 1 /8 )= 5/16
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3/4-(x+1/8)=5/16

3/4-x-1/8=5/16

3/4-1/8-5/16=x

Common denominator: 16

x=(4×3-2×1-5)/16=(12-2-5)/16=5/16

Answer: x=5/16

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2 years ago
How far does the unicycle move if the wheel turns once?
algol [13]

The unicycle moves a distance of 251.20cm if the wheel turn once and the wheel must rotate 32 times to cover a distance of 100m

<h3>Circumference of a circle</h3>

The formula for calculating the circumference of a circle is given as:

C = 2pi r

r is the radius of the circle

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C = 2(3.14)(40)
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n * 2(3.14)(50) = 10000
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Learn more on circumference here: brainly.com/question/23986334

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What is the equation of the line passing through the points (4,8) and (-1,-12)
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