Answer:
9 ft
Step-by-step explanation:
let x be the required distance.
How do I find the value of x here?
1 answer:
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Answer:
No, is 1 which can be written as
. The definition of rationals is any number that can be written as a ratio of an integer to an integer where the bottom integer is not 0.
Step-by-step explanation:
since
.
Rational numbers included anything that can be written as a fraction where the top and bottom are integers (bottom integer is not 0).
1 can be written many different ways. It can be written as .
Both the numerator and the denominator of the rewrite of one that I did are integers.
The integers include the following numbers:
{...,-4,-3,-2,-1,0,1,2,3,4,...}.
The integers are the whole numbers and the opposite of the whole numbers.
The whole numbers are {0,1,2,3,4,...}.
The opposite of the whole whole numbers are {...,-4,-3,-2,-1,0}.
Answer:
57.885
Step-by-step explanation:
For such calculations a probability calculator is very helpful. The one in the attachment shows the 87th percentile to be 57.885.
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A table of the standard normal distribution will tell you the 87th percentile corresponds to a z-value of 1.12639. Then the X value is ...
X = Zσ +μ = 1.12639(7) +50 = 57.885
