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kie27
04.12.2020 •
Mathematics
the beach is very crowded today! Everybody got to the beach by driving, biking,or walking.If 30% walked and 45% drove what percent biked to the beach?
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Ответ:
25% biked to the beach
Step-by-step explanation:
We know a whole is 100%
We first have to do
30+45=75
then we can do
100-75=25
25%
Ответ:
1/(2πf) = √(L/g) . . . . . divide by 2π
1/(2πf)^2 = L/g . . . . . .square both sides
g/(2πf)^2 = L . . . . . . .multiply by g
L = g/(4π^2f^2) . . . . . . . matches the 1st selection