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Sergeeva-Olga [200]
2 years ago
15

If b – 4 = -12, what is the value of b?

Mathematics
2 answers:
Harrizon [31]2 years ago
5 0

Answer:

b = -8

Step-by-step explanation:

All right! -8 is the correct answer! You knew that -8 – 4 = -12.

suter [353]2 years ago
3 0

Answer

b=-8

Step-by-step explanation:

b-4=-12

+4    +4

b=-8 =)

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The perimeter of these can be found by adding length and width and then multiplying by two. 

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A stone is launched into the air from a height of 240 feet. The height, h, of the stone, in feet, t seconds after launch is give
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A projectile is an object <u>launched</u> into space, and moving under the <em>influence</em> of <u>gravity</u> and <u>momentum</u>. The <em>stone</em> here is an example. Thus, the <em>time</em> taken for the stone to reach the ground is 10 seconds.

On <em>launching</em> of the stone into <u>space</u>, it behaves as a <u>projectile</u>. Thus moving under the <em>influence</em> of gravity and its momentum. Its <u>momentum</u> is the <em>product</em> of its <u>mass </u>and <u>velocity</u>.

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32t + 32 = 0

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Substitute the value of time, t, in the equation for the height;

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h = 224 m

Total height, S = 240 + 224

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From the second equation of <em>free fall</em>,

S = Ut + \frac{1}{2}gt^{2}

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464 = \frac{1}{2}*9.8*t^{2}

t^{2} = \frac{928}{9.8}

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t = \sqrt{94.694}

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The <em>time taken</em> for the stone to hit the ground is 10 seconds.

Thus option A is the required answer.

Visit: brainly.com/question/13834669

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