3 years ago

Help me pls i will make u a brainliest

Mathematics

1 answer:

omeli [17]3 years ago

8 0

101.66 ÷ 4.42 = 23 square feet

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Find z if X=27, μ=20, and α=3.4. Round to the nearest hundredth if necessary.

Scrat [10]

Answer:

A. $Z=2.06$

Step-by-step explanation:

We want to find the Z-score of $X=27$ if the population mean is $\mu=20$ ,and the population standard deviation is $\sigma=3.4$ .

We use the formula:

$Z=\frac{X-\mu}{\sigma}$

We substitute the values to obtain:

$Z=\frac{27-20}{3.4}$

$Z=\frac{7}{3.4}$

$Z=2.06$

The correct answer is A.

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3 years ago

Stock in Globin Publishing costs $8.72 per share. Mary buys 105 shares of Globin Publishing, and her broker charges a commission

matrenka [14]

105 × $8.72 = $915.60
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Mary paid $1,263.60 for the stock.

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2 years ago

If 10 miles is about 16 kilometers and the distance between two towns is 45 miles ,use a ratio table to find the distance betwee

diamong [38]

10m : 16 km
x 4.5
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3 years ago

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Please and thank you!! check my answer. identify all of the central angles of circle O.

strojnjashka [21]

Answer:

<AOB and <BOC

Step-by-step explanation:

Central angles are formed by any two radius

<AOB and <BOC

You are correct

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3 years ago

What are the six regions of the united states

Lina20 [59]

Answer:

New England.

Mid-Atlantic.

The South.

Mid-West.

The Southwest.

The West.

Step-by-step explanation:

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3 years ago