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Alex787 [66]
2 years ago
8

Pls solve this for me​

Mathematics
1 answer:
VladimirAG [237]2 years ago
3 0

Answer:

sin 30 - cos60+tan45

1/2-1/2+1

1 ans

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-16t squared + 16t + 480 t=time after jumping in seconds h=height in feet How many seconds did did it take her to hit the water
Agata [3.3K]
That is height
h=16t^2+16t+480
when h=0 is when it hits the water

0=16t^2+16t+480
undistribbute 16 for ease
0=16(t^2+t+30)
16*0=0 so assume
t^2+t+30=0
factor
(t+6)(t-5)=0
set to zero

t+6=0
minus 6
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false, since you cannot have negative time

t-5=0
add 5
t=5

at t=5 she hits the water


5 seconds
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Answer:

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