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VMariaS [17]
2 years ago
6

7. A scatter plot was created to show the relationship

Mathematics
1 answer:
Ksju [112]2 years ago
7 0

Answer:

1020 students

Step-by-step explanation:

Given the trend line equation :

y = 0.1x + 18,

where y is the total number of staff members and x is the total number of students.

Using the equation, the predicted number of students in a school with 120 staffs ;

y = 120

y = 0.1x + 18

120 = 0.1x + 18

120 - 18 = 0.1x

102 = 0.1x

x = 102 / 0.1

= 1020 students

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tia_tia [17]

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Set each equation equal to 0 and solve.

x - 7 = 0

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