Answer:
3. the answer is A3
Step-by-step explanation:
you do 3x-1 and you get 3
Answer:
Johnny is wrong.
![A \cup B = \left\{a,b,c,d,e,f,g,h\right\}](https://tex.z-dn.net/?f=A%20%5Ccup%20B%20%3D%20%5Cleft%5C%7Ba%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%5Cright%5C%7D)
Step-by-step explanation:
Johnny is wrong.
A better definition would be:
is the set of all elements that belong to at least one A or B.
So, the elements that belong to both A and B, like c and d in this exercise, also belong to
.
So:
![A \cup B=\left\{a,b,c,d,e,f,g,h\right\}](https://tex.z-dn.net/?f=A%20%5Ccup%20B%3D%5Cleft%5C%7Ba%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%5Cright%5C%7D)
Answer:
x = 34
Step-by-step explanation:
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Acute angles are angles that measure below 90°, meaning below a right angle.