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timurjin [86]
3 years ago
5

A helicopter is ascending vertically with a speed of 5.27m/s . At a height of 121m above the Earth, a package is dropped from a

window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopter's.]
Mathematics
1 answer:
Ivahew [28]3 years ago
8 0
If a package is dropped at a height of 121m ,above the Earth, from a window. It will take <span> 5.53 seconds for the package to reach the ground. </span>
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Simplify.<br> (w^2 + 3w)-(w^2+5w-4<br><br> 8w-4<br> 2w^2 +8w-4<br> -2w+4<br> -2w
chubhunter [2.5K]

Answer:

-2w + 4

Step-by-step explanation:

Remove parenthesis because they make life semi-confusing but remember to distribute the negative: w^2 + 3w -w^2 - 5w + 4

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How do you solve 6-9(4p-3)= 2(6p+7)+3
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Answer:

p=  1/3

​ =0.333

Step-by-step explanation:

Simplifying

6 + -9(4p + -3) = 2(6p + 7) + 3

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6 + -9(-3 + 4p) = 2(6p + 7) + 3

6 + (-3 * -9 + 4p * -9) = 2(6p + 7) + 3

6 + (27 + -36p) = 2(6p + 7) + 3

Combine like terms: 6 + 27 = 33

33 + -36p = 2(6p + 7) + 3

Reorder the terms:

33 + -36p = 2(7 + 6p) + 3

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Reorder the terms:

33 + -36p = 14 + 3 + 12p

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33 + -36p = 17 + 12p

Solving

33 + -36p = 17 + 12p

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '-12p' to each side of the equation.

33 + -36p + -12p = 17 + 12p + -12p

Combine like terms: -36p + -12p = -48p

33 + -48p = 17 + 12p + -12p

Combine like terms: 12p + -12p = 0

33 + -48p = 17 + 0

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Add '-33' to each side of the equation.

33 + -33 + -48p = 17 + -33

Combine like terms: 33 + -33 = 0

0 + -48p = 17 + -33

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Divide each side by '-48'.

p = 0.3333333333

Simplifying

p = 0.3333333333

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