Answer:
Step-by-step explanation:
When John bought his new computer he purchased an online computer help service. The help service has a yearly fee of 25.50 and a
1 answer:
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For this case we must solve the following system of equations:
To solve we follow the steps below:
We multiply the second equation by -3:
Thus, we have the equivalent system:
We add the equations:
We look for the value of the variable "y":
Thus, the solution of the system is given by:
Answer:
Hello! My work for this problem is attached below. The answer is Vb = 4Va
Answer:
Step-by-step explanation:
because 8(8)=64 and 8 is the positive square root of 64.
because 17i(17i)=289i^2=-289(-1)=-289.