I am greater than 27. I am less than 30. I have 9 ones
1 answer:
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Answer:
A
Step-by-step explanation:
Check the solution by substituting x = into the left side of the equation
2sin²x - sinx - 1
= 2sin²( ) - sin (
) - 1
= 2(1)² - 1 - 1
= 2 - 1 - 1
= 0
= right side
is therefore a solution to the equation
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}.