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irakobra [83]
2 years ago
13

Find the exact value of sin (13pi/8)

Mathematics
1 answer:
AnnZ [28]2 years ago
6 0

Answer:

degree 0.089

radian -0.92

Step-by-step explanation:

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Komok [63]
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3 years ago
The sum of two numbers is 21. the second number is six times the first number.
Tamiku [17]

Answer:

Therefore first number is 3 and second number is 18

Step-by-step explanation:

Sum of the two numbers is 21 and Second number is six times the first number

x+6x = 21

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8 0
3 years ago
(√0,04-√(-1,2)²+√121)×√81
Semenov [28]

Answer:  90

Step-by-step explanation:

\displaystyle\ \Large \boldsymbol{} (\sqrt{0,04}-\sqrt{(-1,2)^2}+\sqrt{121 } ) \cdot \sqrt{81} = \\\\\\(0,2-1,2+11)\cdot 9=(11-1)\cdot 9=90

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Here are the numbers of children in 12 elementary school classes.
ludmilkaskok [199]

Answer:

18, 19(which has two) 20(has two)

Step-by-step explanation:

Just find the ones that appear more than one time.

5 0
2 years ago
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