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SVETLANKA909090 [29]
4 years ago
15

Lesson20 homework2.39t

Mathematics
1 answer:
gulaghasi [49]4 years ago
8 0
Can you send
picture or the question...please?
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Solve the equation on the<br> interval [0, 2π).<br> √2 cos x - 1 = 0
jek_recluse [69]

Answer:

Step-by-step explanation:

\sqrt{2} cos x-1=0\\cos x=\frac{1}{\sqrt{2} } =cos (\frac{\pi }{4} ),cos (2\pi -\frac{\pi }{4} )\\cos x=cos(2n\pi +\frac{\pi }{4} ),cos(2n\pi +\frac{7\pi }{4} )\\x=2n\pi +\frac{\pi }{4} ,2n\pi +\frac{7\pi }{4} \\n=0\\x=\frac{\pi }{4} ,\frac{7\pi }{4}

8 0
2 years ago
jesse bought 2 sheets of stamps. on each sheet there are 5 rows of stamps with 6 stamps in each row. how much did he buy.
lana [24]

Answer:

he bought 60 stamps

Step-by-step explanation:

6*5=30

30*2=60

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3 years ago
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Ludmilka [50]
22 square feet !! hope this helps
5 0
3 years ago
Helpp please 10 points ok
icang [17]

The correct answer is :

\frac{13}{50}

3 0
3 years ago
Read 2 more answers
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sesenic [268]
$38*75% (the amount of the original price you pay) is $<span>28.50
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The customer pays a total of $</span><span>30.21 for the book</span>
6 0
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