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iogann1982 [59]
3 years ago
9

Model the following situation with an equation or inequality statement.

Mathematics
1 answer:
olganol [36]3 years ago
3 0

Answer:

2x=1

Step-by-step explanation:

Use x for "a number"

x times 2 = 1

2x=1

which solves for 0.5 or 1/2

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A ball is thrown upward from a height of 15 ft with an initial velocity of 5 ft/s. Use the equation h=-16t^2+5t+15 to answer the
Fiesta28 [93]

Answer:

1) 1.1 seconds

2) 13.5 feet

<h3>Part A</h3>

\rightarrow \sf  -16t^2 + 5t + 15 = 0

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\rightarrow \sf t=   \dfrac{-5\pm \sqrt{5^2-4\left(-16\right)\cdot \:15}}{2\left(-16\right)}

<u>Simplify following</u>

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As time is be only positive: t = 1.1 seconds

<h3>Part B</h3>

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\rightarrow \sf  h=-16(0.5)^2 + 5(0.5) + 15

<u>simplify</u>

\rightarrow \sf  h=13.5

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x

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−

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Explanation:

Isolate the term in  

x

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x

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←

multiply both sides by 4

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6 0
4 years ago
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