3 years ago

20 points

Mathematics

1 answer:

tresset_1 [31]3 years ago

7 0

There will be about 6.25 sheep on each acre.

250/40 = 6.25

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A picture has the ratio of z inch per 3 cm. What is the unit<br> rate inches per centimeter?

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1 cm

Step-by-step explanation:

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In a random sample of 16 residents of the state of Washington, the mean waste recycled per person per day was 2.8 pounds with a

kakasveta [241]

Answer: The required confidence interval would be (2.72,2.89)

Step-by-step explanation:

Since we have given that

Mean = 2.8 pounds

Standard deviation = 0.24 pounds

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So, the confidence interval will be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=(2.8\pm 1.341\times \dfrac{0.24}{\sqrt{16}})\\\\=(2.8\pm 1.314\times 0.06)\\\\=(2.8-0.07884,2.8+0.07884)\\\\=(2.72116,2.87884)$

Hence, the required confidence interval would be (2.72,2.89)

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3 years ago

PLEASE HELP ME/ The quadrilateral shown is a rhombus. What is m∠2?

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A: 28 is your answer

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The circle below is centered at the origin and has a radius of 4. What is its equation?

Alecsey [184]

Answer:

C) x^2 + y^2 = 16

Step-by-step explanation:

<h2><u>Find the equation </u></h2>

since the radius is 4 this means that anywhere from the center of the circle to the edge of the circle is 4. hence :

place the horizontal line of the radius where y = 0 .

this means that if y = 0 , then x = 4

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3 years ago

*20 points*

20 points