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insomniacnana2
22.10.2020 •
Mathematics
Twenty- eight percent of the 150 students in the senior class are either on a team or in a club. How many seniors are either on a team or in a club?
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Ответ:
it should be 15 students
Step-by-step explanation:
Ответ:
x = -5, 5
Step-by-step explanation:
-x^2-8=-33
Add 8 to each side
-x^2-8+8=-33+8
-x^2 = -25
Divide each side by -1
x^2 = 25
Take the square root of each side
sqrt(x^2) = ±sqrt(25)
x = ±5