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Hatshy [7]
3 years ago
13

Sin( x+ π/4) + sin( x− π/4 ) = 1

Mathematics
1 answer:
Ainat [17]3 years ago
3 0

https://socratic.org/questions/how-do-you-solve-sin-x-pi-4-sin-x-pi-4-1-over-the-interval-0-2pi

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yaroslaw [1]

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3 years ago
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in an election between two candidates one got 55% of the total valid votes 20% votes were invalid if the total number of votes w
timurjin [86]

Answer:

25%- 1875 Votes

<em>7500 x 0.55 = 4125  (</em><em>first candite valid votes</em><em>)</em>

<em>7500 x 0.20 = 1500 (</em><em>invalid</em><em>)</em>

<em>first candite valid votes</em><em> </em><em>(</em><em>55</em><em>) + invalid votes (</em><em>20</em><em>) = 75% of total votes </em>

<em>first candite valid votes</em><em> </em><em>(</em><em>4125</em><em>) + invalid votes (</em><em>1500 </em><em>) = 5625 of total votes </em>

<em />

<em>100 (</em><em>total</em><em> </em><em>percent of votes</em><em>) - 75 (</em><em>total percent of votes</em><em>) = 25% Votes Left</em>

<em>7500 (</em><em>total</em><em> </em><em>number of votes</em><em>) - 5625 (</em><em>total number of votes</em><em>) = 1875 Votes Left</em>

<em>7500 x 0.25 = 1875 (</em><em>valid votes for the other candite</em><em>)</em>

<em>          </em>

4 0
3 years ago
What equation could be used to find the area of the stage in square meters ?
Novay_Z [31]

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The equation you would use is лr² (pi times radius squared).

The area of the stage would be 1963.5 square meters or 625л square meters

3 0
3 years ago
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