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cody665
27.04.2021 •
Mathematics
Gina randomly selected students at her school to ask them about their
favorite season. If there are 900 students at Gina's school, how many of
them would choose fall as their favorite season?
Solved
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Ответ:
36 km
Step-by-step explanation:
We can use the Pythagorean theorem to find a
a^2 +b^2 =c^2
a^2 +12^2 = 15^2
a^2 +144=225
Subtract 144 from each side
a^2 =225-144
a^2 =81
Taking the square root of each side
a = sqrt(81) = 9
Then we need to find the perimeter
a+12+15
9+12+15
36