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Mandarinka [93]
3 years ago
15

The captain of a ship must use extreme caution when approaching an iceberg because only .125 of it is above the surface of the w

ater. What percent of the iceberg is visible above the water?
Mathematics
2 answers:
Marta_Voda [28]3 years ago
7 0
12.5% is ur answer hope this helped
Ket [755]3 years ago
4 0

Answer:

it is 12.5% hope this helps.

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Genrish500 [490]
Hey!
The area of the circle would be 28.26 feet squared

Lets break it down:

The formula for the area is pi×radius×radius
We have the diameter, so to find the radius, we need to divide the diameter by 2. 6÷2=3
Now that we have the radius, wr can plug in our numbers: 3.14×3×3= the area, or 28.26 feet sq.

Hope this helps!
6 0
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Brandon rode his bike 90% of the distance that Carlee rode her bike this week. Brandon rode 58.5 miles. How many miles did Carle
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Which expression is equal to (7 × 2) × 2?
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5 0
3 years ago
Read 2 more answers
Identify the constant term in this expression.
Strike441 [17]

Answer:

The constant would be A) 9

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5 0
3 years ago
Weights were recorded for all nurses at a particular hospital, the mean weight for an individual nurse was 135 lbs. with a stand
Aloiza [94]
Given:
population mean, μ =135
population standard deviation, σ = 15
sample size, n = 19

Assume a large population, say > 100,
we can reasonably assume a normal distribution, and a relatively small sample.
The use of the generally simpler formula is justified.

Estimate of sample mean
\bar{x}=\mu=135

Estimate of sample standard deviation
\s=\sqrt{\frac{\sigma^2}{n}}
=\sqrt{\frac{15^2}{19}}=3.44124  to 5 decimal places.

Thus, using the normal probability table,
P(125
=P(\frac{125-135}{3.44124}
=P(-2.90593
=P(Z
=P(Z

Therefore 
The probability that the mean weight is between 125 and 130 lbs 
P(125<X<130)=0.0731166-0.0018308
=0.0712858



3 0
3 years ago
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