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Marianna [84]
3 years ago
10

Ms. D's 4th period geometry class has both freshman and sophomores. There are 27 kids in the class and it has twice as many fres

hman as sophomores. How many freshman are in the class?
let x=
let y=
Mathematics
1 answer:
BARSIC [14]3 years ago
6 0
13.5 freshman well rounded off to 14 freshman
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Check the picture below.

so it hits the ground when y = 0, thus

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\bf h(t)=-16t^2+16t+5\implies \stackrel{h(t)}{0}=-16t^2+16t+5&#10;\\\\\\&#10;16t^2-16t-5=0\implies (4t+1)(4t-5)=0\\\\&#10;-------------------------------\\\\&#10;4t+1=0\implies 4t=-1\implies t=-\cfrac{1}{4}\\\\&#10;-------------------------------\\\\&#10;4t-5=0\implies 4t=5\implies t=\cfrac{5}{4}\implies \boxed{t=1\frac{1}{4}}

since "t" is seconds it took, it can't be a negative amount.

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3 years ago
PLEASE HELP
nika2105 [10]
Answer : b
Same distance between consecutive terms.
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