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grin007 [14]
3 years ago
6

Which numbers are solutions of the inequality x>-12 ? check all that apply.

Mathematics
2 answers:
zmey [24]3 years ago
6 0

Step-by-step explanation:

I think - 12 is the solution of the inequality

stepan [7]3 years ago
5 0

Answer:

<em>- 7, 0.9, 8.5, 16</em>

Step-by-step explanation:

It should be that x must be greater than - 12, so let us consider all options;

- 20 < - 12,\\- 12 = - 12,\\ - 7 > 12,\\ 0.9 > 12,\\8.5 > - 12,\\16 > - 12

Let us substitute x as each of these values;

x < - 12,\\x = - 12,\\x > - 12,\\x > - 12,\\x > - 12,\\x > - 12

As you can tell, the last 4 Options are applicable;

<em>Solution ⇒ - 7, 0.9, 8.5, 16</em>

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8 0
3 years ago
How do I do question 9 &amp; 11? Please help thank you!
Novay_Z [31]
<h2>9.</h2><h3>Given</h3>
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<h3>Find</h3>
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<h3>Solution</h3>

The equation for volume of a sphere is

... V = (4/3)π·r³

Differentiating gives

... dV = 4π·r²·dr

Filling in the given numbers gives

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<h2>11.</h2><h3>Given</h3>
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We know x² = A/10, where A is the area of the cuboid, so the rate of change of volume is ...

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... dV/dt = 0.7776 cm³/s

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Step-by-step explanation:

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Hope this helps.

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