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elena55 [62]
3 years ago
14

Farmers mowed 60 acres of grass a day instead of 50 and managed to finish the task one day earlier than planned. What is the are

a of the meadow they were mowing?
Mathematics
1 answer:
schepotkina [342]3 years ago
6 0
 300 acres. because <span>multiply 60 by 5.</span>
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About 5% of the population has a particular genetic mutation. 300 people are randomly selected.
xz_007 [3.2K]

The standard deviation for the number of people with the genetic mutation is 3.77

<h3>How to determine the standard deviation?</h3>

The given parameters are:

Sample size, n = 300

Proportion that has the particular genetic mutation, p = 5%

The standard deviation for the number of people with the genetic mutation is calculated as:

Standard deviation = √np(1 - p)

Substitute the known values in the above equation

Standard deviation = √300 * 5% * (1 - 5%)

Evaluate the product

Standard deviation = √14.25

Evaluate the exponent

Standard deviation = 3.77

Hence, the standard deviation for the number of people with the genetic mutation is 3.77

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1 year ago
free 69 points A rectangular prism has a length of 8 meters, a width of 6 meters, and a height of 3 meters. Which equations coul
anyanavicka [17]

Answer:

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V = 48*3

Step-by-step explanation:

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We know the length is 8, the width is 6 and the height is 3

V = 8*6*3

V = 48*3

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3 years ago
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A bus travels 18 km in 30 minutes. What is the average speed of the bus?
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36km hr

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D because 3/4 is .75 so 7.75 divided by .75 equals 10.333333333333333
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At the end of a snow storm, Audrey saw there was a lot of snow on her front lawn.
Montano1993 [528]

An equation that represents the depth of snow on Audrey's lawn, in inches, t hours after the snow stopped falling is S = 10 - 2t

In this question, there was a depth of 10 inches of snow on the lawn when the storm ended and then it started a melting at a rate of 2 inches per hour.

We need to write an equation for S in terms of t, snow representing the depth of snow on Audrey's lawn, in inches, t hours after the snow stopped falling.

So, the equation would be,

S = 10 - 2t

Therefore,  an equation that represents the depth of snow on Audrey's lawn, in inches, t hours after the snow stopped falling is S = 10 - 2t

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