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Viktor [21]
3 years ago
7

60 POINTS! HELP! URGENT! Factor

Mathematics
1 answer:
hodyreva [135]3 years ago
8 0

Answer:

Step-by-step explanation:

48x^2 - 12...factor out 12

12(4x^2 - 1) =

12(2x - 1)(2x + 1)...or could be 12(2x + 1)(2x - 1)

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Determine the function represented by the table is linear. Explain.
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Step-by-step explanation:

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3 years ago
15=x+7 solve this problem
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8 Is you're answer! hope that i helped!
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Find the number of ways to listen to four CDs from a selection of 8 CDs. A) 1680 B) 336 C) 70 D) 50 pls aslo explain why..
777dan777 [17]

Answer:

a) 1680

<em>The number of ways to listen to four CDs from a selection of 8 CDs = 1680</em>

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given data the number of CD' s n = 8

<em>We have to selected '4' CD' s  from total '8' CD's</em>

<em>By using permutations </em>

<em>The number of ways to listen to four CDs from a selection of 8 CDs.</em>

<em>                          =     </em>8_{P_{4} }<em> </em>

<em>  we know that </em>

           n_{P_{r} } = \frac{n!}{(n-r)!}

          8_{P_{4} } = \frac{8!}{(8-4)!} = \frac{8 X 7 X 6 x 5 X 4!}{4!} = 1680

<em>The number of ways to listen to four CDs from a selection of 8 CDs = 1680</em>

7 0
3 years ago
Lawrence wants to drive from Durban to Johannesburg 550km. If he travels at an average speed of 100km/hr, how long does he tale
Dafna1 [17]

Answer:

5.5hr

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8 0
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Read 2 more answers
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4x - 2 = 10x - 12       <em>add 2 to both sides</em>

4x = 10x - 10       <em>subtract 10 from both sides</em>

-6x = -10      <em>divide both sides by (-6)</em>

x = 10/6

<h3>x = 5/3</h3>
8 0
3 years ago
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