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2 years ago

Which is the wrong one? BIGGER OR SMALLER help

Mathematics

1 answer:

harina [27]2 years ago

7 0

Answer:

It's D. 1.2(line) < 3.1(pi) < 4.6(square root 22)

Step-by-step explanation:

Look in the comments to figure out why D is correct. You're welcome! :)

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

TiliK225 [7]

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

The solution is

$y=2\ cm$

Find the value of x

$x=y+5 ----> x=2+5=7\ cm$

Find the perimeter of rectangle

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

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3 years ago

Read 2 more answers

What is 2x+4x7x-19x+7y+9x

s2008m [1.1K]

Answer: do the math, 39x

Step-by-step explanation:2+4=6 times 7=42-19=23+7=30+9=39x

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Answer:

Nominal level of measurement

Step-by-step explanation:

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Which of the following shows the correct steps to find the value of 16^1/4

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The answer is B, I hope this helps! (don't forget to give brainliest)

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