Answer:
Step-by-step explanation:
I think the question is card(A)=20,card(B)=15,card(A∩B)=10, then what iscard(A∪B)
You can solve this question by drawing a picture like this to visualize the problem.
Thus the answer is card(A∪B)=card(A)+card(B)−card(A∩B)=25
Answer:
Step-by-step explanation:
A = [(3x2)/2] + [(4x2)/2] - 1/2
A = 3 + 4 - 1/2
A = 6.5
I do not know for sure but im almost 100% sure that the answer is y=97 and x=1.08 i hope that is correct and that it helps you out.
Answer:

Step-by-step explanation:
![\displaystyle -2[5] + 5 = -10 + 5 = -5](https://tex.z-dn.net/?f=%5Cdisplaystyle%20-2%5B5%5D%20%2B%205%20%3D%20-10%20%2B%205%20%3D%20-5)
I am joyous to assist you anytime.