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podryga [215]
2 years ago
8

A farmer plants the same amount every day, adding up to 2 1/4 acres at the end of the year. If the year is 3/4 over, how many ac

res has the farmer planted?​
Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
8 0

Answer:

9/4 * 3/4 =  27/16  = 1  \frac{9}{16}

Step-by-step explanation:

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Adult men have heights with a mean of 69. 0 inches and a standard deviation of 2. 8 inches. find the z-score of a man who is 71.
Anarel [89]

The value of the z score is 1.03.

According to the statement

we have given that the value of mean and standard deviation and we have to find the value of the z score.

So, For this purpose we know that the

Z-score indicates how much a given value differs from the standard deviation. The Z-score, or standard score, is the number of standard deviations a given data point lies above or below mean.

And the given values are:

mean value = 69 inches

s.d value = 2.8 inches

And the value of x is 71.9 inches.

So, The Z score is

z = x - mean / standard deviation

substitute the values in it then

z = 71.9 - 69 / 2.8

then

z = 2.9 /2.8

z  = 1.03

So, The value of the z score is 1.03.

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8 months ago
Graph the system of equation -9x + 3y = 27 8x + 8y =40
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2 years ago
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Salsk061 [2.6K]

Answer:- 1/2

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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