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2 years ago

ASAP what is 2617.99 rounded tenth?

Mathematics

2 answers:

kumpel [21]2 years ago

8 0

The answer is 2620 since the 1 is in the tenths place

Gwar [14]2 years ago

7 0

Answer:

2620

Step-by-step explanation:

The tenth place value is 2 places after the decimal so round off from there

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If 48$ is 10% what is 100%

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100 is 480% , times by 48

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Choose the equation that represents a line that passes through points (−1, 2) and (3, 1).

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The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82,

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Answer:

Population variance 579

Population standard deviation 24

Step-by-step explanation:

The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142.

The population variance is given by:

$\sigma^2=\frac{\sum(x-\mu)^2}{n}$

$\mu=\frac{71+80+82+78+80+91+107+121+125+131+142}{11}$

$\mu=\frac{1108}{11}$

This implies that:

$\sigma^2=\frac{(71-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+(82-\frac{1108}{11})^2+(78-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+...+(142-\frac{1108}{11})^2}{11}$

$\sigma^2=\frac{70006}{121} =579$ to the nearest whole number

The population standard deviation is

$\sigma=\frac{\sqrt{70006} }{11}=24$ to the nearest whole number.

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3 years ago

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Find x,y and 2. (leave answer in simplest radical form) *

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Answer:

x = 32

y = 16sqrt(5)

z = 8sqrt(5)

Step-by-step explanation:

x/16 = 16/8

x/16 = 2

x = 32

y^2 = 16^2 + 32^2

y^2 = 1280

y = 16sqrt(5)

z^2 = 8^2 + 16^2

z^2 = 320

z = 8sqrt(5)

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2 years ago

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Step-by-step explanation:

The problem gives you the distance and the ammout of time this distance was traveled in. so you divide the distiance by the time and it will give you the answer

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