Convert 12 1/2% into a decimal (It isn't 12.50)Convert 12 1/2% into a fraction (It isn't 25/2)
1 answer:
Answer:
0.125 and 1/8
Step-by-step explanation:
To convert a percentage to a decimal, divide by 100 to move 2 decimal places to the left.
12.50% / 100 = 0.125
To convert a percentage into a fraction, rewrite the decimal number you got and put it over 1. Multiply the numerator and denominator by 1000 to move 3 decimal places to the right and get your fraction.
·
= 125/1000
Divide the numerator and denominator by the GCF, 125, to get your simplified fraction.
125/125 = 1
1000/125 = 8
125/1000 = 1/8
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Answer:
A. -1.6; not significant
Step-by-step explanation:
The z-score of a data set that is normally distributed with a mean of and a standard deviation of
, is given by:
.
From the question, the test score is: , the mean is
, and the standard deviation is
.
We just have to plug these values into the above formula to obtain:
.
This simplifies to: .
.
We can see that the z-score falls within two standard deviations of the mean.
Since the value is not significant.
The correct answer is A. -1.6; not significant
Answer:
Option A. 37106 ft.
Step-by-step explanation:
Given: An 757 passenger jet at the height of 3900 feet from the ground means vertical height = 3900 feet.
Angle of descent to the airport in Washington,D.C. is 6 degrees.
To find: Horizontal distance the plane will cover to reach the run way.
Solution: As we know tan ∅ =
Then tan 6° =
0.105 =
x =
x = 37106 ft