3 years ago

What is the square root of 20 anyone wanna talk?

Mathematics

2 answers:

olchik [2.2K]3 years ago

8 0

Answer:

The square root of 20 is 4.472135955 but in short 4.47

Step-by-step explanation:

Elina [12.6K]3 years ago

4 0

The square root is 4.47

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4 years ago

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Sindrei [870]

Answer:

$x=16\dfrac{28}{37}\\ \\y=5\dfrac{1}{3}\\ \\z=7.5$

Step-by-step explanation:

The diagram shows three paralel lines which divide the large triangle into three similar triangles.

By Thales theorem,

$\dfrac{5}{z}=\dfrac{y}{8}=\dfrac{2}{3}$

Then

$\dfrac{5}{z}=\dfrac{2}{3}\Rightarrow 2z=15,\ z=7.5\\ \\\dfrac{y}{8}=\dfrac{2}{3}\Rightarrow 3y=16,\ y=\dfrac{16}{3}=5\dfrac{1}{3}$

From the similarity of triangles,

$\dfrac{x}{20}=\dfrac{z+8}{z+8+3}\\ \\\dfrac{x}{20}=\dfrac{7.5+8}{7.5+8+3}\\ \\\dfrac{x}{20}=\dfrac{15.5}{18.5}\\ \\x=20\cdot \dfrac{155}{185}=20\cdot \dfrac{31}{37}=\dfrac{620}{37}=16\dfrac{28}{37}$

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4 years ago

Dylan owes half as much money as he used to owe. If he used to owe $28, which of the following expressions would reflect how muc

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Answer:

Step-by-step explanation:

28 ÷ 2 equals 14 and 14 is half of 28

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3 years ago

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In a certain region the average movie theater ticket price in 2009 was $7.80 in 2008 it was $7.37 find the increase in average m

PSYCHO15rus [73]

Answer:

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3 years ago

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