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marshall27 [118]
3 years ago
6

A band expects to put 12 songs on their next CD. The band writes and records 25​% more songs than they expect to put on the CD.

During the editing​ process, ​20% of the songs are removed. How many songs will there be on the final​ CD?
Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
7 0
12 songs. 25% of 12 is 3, so you add 3 to 12 and get 15. You then find that 20% of 15 is 3 so you subtract 3 from 15 and get 12 again.
Alex777 [14]3 years ago
6 0
25% of 12 is 3, 12+3= 15. 25% of 15 is 3. 15 - 3 = 12 Answer: 12
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Step-by-step explanation:

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aksik [14]
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<h3>-9x² + 0.x + c = 0</h3>

<em>(</em><em>Since B = 0, when it is multiplied by x, it becomes 0 again</em><em>)</em>

<h3>-9x² + c = 0</h3>

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<h3>-9x² + -2 = 0</h3>

<em>Now we can move on to solving our equation</em><em>:</em><em>)</em>

<em>Let's put the known and the unknown on different sides:</em>

<em>(</em><em>-2 goes to the opposite side positively</em><em>)</em>

<h3>-9x² = 2</h3>

<em>(</em><em>i</em><em>t goes as a division because it is in the case of multiplying -9 across</em><em>)</em>

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<h3>x² = 2/-9</h3>

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<h3><em><u>#XBadeX</u></em></h3>
8 0
3 years ago
The quadrilateral ABCD has area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.
MAXImum [283]
We know that

<span>The formula for the area of a quadrilateral with perpendicular diagonals is
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so

D2=2*A/D1-----------> 2*58/14.5-----------> D2=8 in
BD=D2=8 in

the answer is
BD=8 in
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