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klio [65]
3 years ago
6

25

0x + 1" alt="{25x}^{3} + 10x + 1" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
dexar [7]3 years ago
5 0
{25x}^{2}   + 10x + 1 = (5x + 1)(5x+ 1) = (5x+1)^2

Answer: (5x + 1)²
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3 years ago
The height, h, in feet of a ball above the ground is given by h = −16t2 + 64t + 80, where t is the time in seconds. How long doe
Gwar [14]

Answer:

t = 5 seconds

Step-by-step explanation:

It is given that, the height h, in feet of a ball above the ground is given by :

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Where t is in seconds

We need to find how long does it take the ball to hit the ground? When it hits the ground, its height will be equal to 0. So,

-16t^2+64t+80=0\\\\t=\dfrac{-64\pm \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=\dfrac{-64+ \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16},\dfrac{-64-\sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=-1\ s\ \text{and}\ t=5\ s

Neglecting negative time.

It means ball will take 5 seconds to hit the ground.

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2 years ago
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levacccp [35]

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Carlos looks for bird food to feed Julio, his pet parakeet. He feeds Julio a total of cup of food each day. Julio is fed twice e
aleksandrvk [35]
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<em>Hope that helps!</em>

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