4x8 i know the anwser im just tryna see something
2 answers:
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Answer:
(a) Set of rational numbers
(b)
Step-by-step explanation:
Solving (a): Set that is closed under subtraction
The solution to this is rational numbers.
For a set of number to be closed under subtraction, the following condition must be true
Where
a, b, c are of the same set.
The above is only true for rational numbers.
e.g.
The operations and the result in the above samples are rational numbers.
Solving (b): Choice not close under addition[See attachment for options]
As stated in (a)
For a set of number to be closed under subtraction, the following condition must be true
Where
a, b, c are of the same set.
In the given options (a) to (d), only
is not close under addition because:
is irrational while
is rational
<em>In other words, they belong to different set</em>
The correct option is B, II. only.
Given to us,
I. In the effective rate formula, n is equal to one.
Effective interest rate formula,
where,
r is the effective interest rate,
i is the stated interest rate,
n is the number of compounding periods per year.
According to the question the compounding periods per year is not given to us. Also, loans are taken for a longer period of time.
Thus, we can conclude that statement is false.
II. The nominal rate is 7. 918%.
nominal rate = real interest rate + inflation rate,
but as it is not mentioned in the question about the inflation rate. the statement is true to us. Assuming the inflation rate is 0%.
Thus, we can conclude that statement is true.
III. The Federal Funds Rate is static.
This statement is false, as the no information is given about this statement also this can not be concluded through assumption.
Thus, we can conclude that statement is false.
Hence, The correct option is B, II. only.
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I added the diagram of the question.
<u><em>Answer:</em></u>
h = 60°
<u><em>Explanation:</em></u>
We are given that lines k and l are parallel lines.
This means that angles 120° and h are <u>supplementary angles</u>.
This means that their measures <u>add up to 180°</u>
<u>Therefore:</u>
180° = 120° + h
h = 180° - 120°
h = 60°
Hope this helps :)
<u><em>Answer:</em></u>
h = 60°
<u><em>Explanation:</em></u>
We are given that lines k and l are parallel lines.
This means that angles 120° and h are <u>supplementary angles</u>.
This means that their measures <u>add up to 180°</u>
<u>Therefore:</u>
180° = 120° + h
h = 180° - 120°
h = 60°
Hope this helps :)