Answer:
Step-by-step explanation:
show the picture of the problem
Well it's too easy if you understand
Rational numbers are numbers that can be written as fractions, unlike π, which never ends and cannot be expressed as a fraction.
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C. 120°
m∠d = 150°
m∠ a = 90°
The sum of angles at a point add up to 360°
m∠b + m∠c +m∠e = 360° - (90° + 150°) = 120°
(2,1)
bro if im wrong blame me-- but yeah
No, the two sets are not disjoint.
Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45
Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49
They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.
