Yes because it is a square and if you rotate a square 90 degrees it will stay the same shape
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Answer:
The answer is: {x | x is a day of the week}
Step-by-step explanation:
The mathematical expression {x | x is a day of the week}, uses set theory notation and can be translated as: The set of all x such that x is a day of the week. Since the original set contains all days of the week, therefore it is equivalent to the expression {x | x is a day of the week}.
A=3B
4.35A+5.40B=780.95
Substitute 3B into A for the second equation:
4.35(3B)+5.40B=780.90
13.05B+5.40B=780.90
18.45B=780.90
B=42.33
Plug into equation 1:
A=3B
A=3(42.33)
A=126.98
Answer:
x=−1
Step-by-step explanation:
I hope this help you
