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Fofino [41]
3 years ago
11

You visit your local bank to see how long it will take for $1,200 to amount to $2,100 at a simple interest rate of 7%. The time

is (round time in years to nearest tenth):
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0
Almost 10 years
..........
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A ball is launched upward from the ground with an initial velocity of 20 ft/s. The height of the ball at time t is represented b
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Answer:

1.-t₁  =  0,625 s

2.-h(max)  =  6,25 f

3.-t = 1,25 s

Step-by-step explanation:

V₀  =  20 f/s

h(t)  =  - 16*t² + 20*t

h(max)  =  ??

h´(t)  = - 32*t + 20

h(max) will occurs when  V = 0   dh/dt  = 0  then

- 32*t  + 20  = 0

- 32*t  =  -20

t  =  20/32

t₁  =  0,625 s

h(max) = h(0,625)    =  - 16*(0,625)² + 20*0,625

h(max)  =  - 6,25  +  12,5

h(max)  =  6,25 f

c) The ball will hit the ground

t = 2*t₁

t  = 2*0,625

t = 1,25 s

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The volume of this prism Is ___<br> cubic inches
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Answer:

The answer is <u>140 cubic in</u>

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