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3 years ago

Find the surface area of 6 in. 4 in. And 8 in.

Mathematics

2 answers:

hammer [34]3 years ago

5 0

Answer:

208

Step-by-step explanation:

6×4=24

24×2=48

8×4=32

32×2=64

8×6=48

48×2=96

48+64+96=208

Flauer [41]3 years ago

4 0

Answer:

208 Feet²

Step-by-step explanation:

2×(6×4 + 6×8 + 4×8) = 208 feet²

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Step-by-step explanation:

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3 years ago

A projectile is fired into the air with an initial vertical velocity of 160 ft/sec from ground level. How many seconds later doe

djverab [1.8K]

The maximum height of the projectile is the maximum point that can be gotten from the projectile equation

The projectile reaches the maximum height after 5 seconds

The function is given as:

$\mathbf{h(t) = -16t^2 + 160t}$

Differentiate the function with respect to t

$\mathbf{h'(t) = -32t + 160}$

Set to 0

$\mathbf{h'(t) = -32t + 160 = 0}$

So, we have:

$\mathbf{-32t + 160 = 0}$

Collect like terms

$\mathbf{-32t =- 160 + 0}$

$\mathbf{-32t =- 160}$

Solve for t

$\mathbf{t = \frac{- 160}{-32}}$

$\mathbf{t = 5}$

Hence, the projectile reaches the maximum after 5 seconds

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2 years ago

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kotegsom [21]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

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