Answer:
{4,8,12,14}
Step-by-step explanation:
A U B={4,8,12,14}U{12,14}
={4,8,12,14}
Just take .5*.75=.375 and thats it, Enjoy!=)
(Explanation, just because k is right by it with no symbols the default thing that you would do is multiply, and because we already know k we can just input the number in there right away.)
Answer:
x=26
y=9
Step-by-step explanation:
5x-17+3x-11=180
8x=180+17+11
8x=208
x=26
3(26)-11=78-11=67
2y+5=90-67
2y=90-67-5
2y=18
y=9
add the like terms
14x=-3+x
subtract x from both sides
13x=-3
divide both sides by 13
x=-3/13