If a ball is thrown up high in the sky forming a Parabola , takes 6 seconds to land. after how many seconds it would have reache
d its maximum height?
A. 2 seconds
B. 2.5 seconds
C. 3 seconds
D. 4 seconds
1 answer:
I think it’s b I’m not sure good lucky
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Answer:
2d(d - 4)
Step-by-step explanation:
Given
2d² - 8d ← factor out the common factor of 2d from each term
= 2d(d - 4) ← in factored form
1_ 210+90= 300
2_ it's prime:
[1,19]
good luck
7 gallons of pure acid and 14 gallons of 10% acid
Answer:
62
Step-by-step explanation:
add
and then mutupy them together
w+2x=16 ⇒ w=16-2x
x+2w=14 x+2(16-2x)=14
x+32-4x=14
-3x=14-32
-3x=-18 /:(-3)
x=6
w=16-2x=16-2·6=16-12=4
2y+w=-6 ⇒ 2y+4=-6
2y=-6-4
2y=-10 /:2
y=-5
