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Sati [7]
3 years ago
8

A rectangle is 9 ft long and 40 in. wide. What is it’s area in square feet?

Mathematics
2 answers:
vladimir1956 [14]3 years ago
3 0
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ 40 inches = 3.33333

Area = length x width

Substitute the values:

Area = 9 x 3.33333

Solve:

Area = 30ft^2

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ <u>ʜᴀɴɴᴀʜ</u> ♡

Alex Ar [27]3 years ago
3 0

Area = length times width (l x w)

Length = 9 feet

Width = 40 inches

Convert the length of 9 feet to inches

9 x 12 = 108

Length = 108 inches

Width = 40 inches

Multiply them together to find the area.

108 x 40 = 4,320

Now convert them back to feet to because that is what the question is asking you to do.

4,320/12 = 360ft^2

The answer is a, 360ft^2

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Step-by-step explanation:

In 2016, the mean number of wins for teams in Major League Baseball was 81 wins with a standard deviation of 10.7 wins.

(a) The Chicago Cubs broke the Curse of the Billy Goat by winning the World Series in 2016. Find and interpret the z-score for the Chicago Cubs, who had 103 wins in 2016.

The formula for calculating a z-score is is z = (x-μ)/σ,

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σ is the population standard deviation.

x = 103 wins, μ = 81 wins, σ = 10.7

z = 103 - 81/10.7

z = 2.05607

Interpreting the z score, since the z score is positive, this means, the data point is to the right of the mean.

(b) The Chicago White Sox had a z-score of 20.28. Find the number of wins for the Chicago White Sox for 2016.

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

From the above question, we are asked to find the number of wins, this means we should find the raw score = x

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Hence,

20.28 = x - 81/10.7

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