If it costs $12.5 for every GB and we use 8 then 12.5*8=$100. So if our flat rate now is $70 we would loose 100-70=$30
So Maria would loose $30 a month if she pays per GB
Answer:
The solution for this system is: 
Step-by-step explanation:
The problem states that we have to solve this system by the elimination method
In the elimination method, we transform the system in such a way that one variable can cancel each other. With this, we find the result of the other variable. Then, we can replace the variable we found in any of the equations, and we have the value of the variable that we had initially canceled.
In this problem, we have the following system:
If we add equations 1) and 2), the variable x is going to be eliminated
Now, we can replace the value of y in any of the equations, to find x:
I will replace in equation 2)
The solution for this system is:
Answer:
zeros: x=-6, x=2
Vertex: (-2,-16)
Step-by-step explanation:
try using math-way
The experimental probability of correctly guessing at random exactly zero correct answers is (4/5)⁵
<h3>What is Probability?</h3>
Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.
Here, total multiple choice quiz = 5 questions
Each question contains 5 choices in which 1 choice is correct and remaining 4 are incorrect.
Possibility of first wrong choice = 4/5
Possibility of second wrong choice = 4/5
Possibility of third wrong choice = 4/5
Possibility of fourth wrong choice = 4/5
Possibility of fifth wrong choice = 4/5
Overall probability for Zero correct answer=(4X4X4X4X4)/(5X5X5X5X5)
= (4/5)⁵
Thus, the experimental probability of correctly guessing at random exactly zero correct answers is (4/5)⁵
Learn more about Probability from:
brainly.com/question/11234923
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