<span>Call x the score on his fifth test. Then the average (arithmetic mean) of the five test will be: (85 + 92 + 82 + 94 + x) / 5. That is equal to (353 + x ) / 5. The teacher said that the new score, x, is 5 points lower than the average, then x = (353 + x) / 5 - 5 . Answer: Markus could use the equation x = (353 - x)/ 5 - 5 (or an equivalent form of it) </span>
Answer:
The answer to this system is (0.75, 2.75)
Step-by-step explanation:
To solve a systems of equations graphically, all you need to do is graph the equations and find where they intersect.
Answer:
31200 dollars
Step-by-step explanation:
you multiply 13 by 4, because its last week and this week, then find 60 percent of that. Proportion: x/52000=60/100. When solved, it is $31200
A scatter plot is made with the data shown:
<span><span>Number of Weeks in Business123456789</span><span>Number of Customers0246810121416</span></span>
What type of association will the scatter plot for this data represent between the number of weeks in business and the number of customers?