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3 years ago

Write the following fractions in order from smallest to largest 3/10, 13/20, 22/25, 3/5

Mathematics

1 answer:

iren2701 [21]3 years ago

6 0

Your answer from smallest to largest is:

3/10
3/5
13/20
22/25

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A cylindrical water towers has a diameter of 15 meters and a height of 5 meters. About how many gallons of water can the gallon

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Step-by-step explanation:

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2 years ago

Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangle such that each of the sq

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Answer:

The perimeter of rectangle is $18\ cm$

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

$x=y+5$ ----> equation A

$120=xy+2x^{2}+2y^{2}$ ---> equation B (area of the constructed figure)

substitute the equation A in equation B

$120=(y+5)y+2(y+5)^{2}+2y^{2}$

$120=(y+5)y+2(y+5)^{2}+2y^{2}\\ 120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0$

using a graphing calculator -----> solve the quadratic equation

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$P=2(x+y)=2(7+2)=18\ cm$

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