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2 years ago

10

Which of the following statements are true of the graph of the function is f(x)=(x+5)(x-3)

1 answer:

vredina [299]2 years ago

4 0

Well true statements would be that its a quadratic, its simplified as x^2+2x+-15

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3 years ago

Ana is making new pillows. Each pillow requires 5/6 of a yard of fabric. How much fabric does she need for 4 pillows?

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3 years ago

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2 years ago

Read 2 more answers

A cylindrically shaped space station is rotating about the axis of the cylinder to create artificial gravity. The radius of the

erica [24]

Answer:

8%

Step-by-step explanation:

The maximum change happens when all 500 people moves form outer surface to the station center. When all of them are at the surface, the total moment of inertia is:

$I = I_s + 500I_p = 3*10^9 + 500m_pr_p^2=3*10^9 + 500*70*82.5^2=3.24*10^9$

When they are at the axis, the total moment of inertia is only the station's, which is $3*10^9$

By the law of angular momentum conservation:

$I_1\omega_1 = I_2\omega_2$

$\omega_2/\omega_1 = I_1/I_2 = \frac{3.24*10^9}{3*10^9} = 1.08$

So the angular speed changes by 0.08 of itself, or 8%

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3 years ago