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zhenek [66]
2 years ago
15

Find the length of side x in simplest radical form with a rational denominator.

Mathematics
1 answer:
drek231 [11]2 years ago
6 0

Step-by-step explanation:

\cos(30)  =  \frac{x}{ \sqrt{8} }  \\ x =  \sqrt{8}  \times  \cos(30)  = 2.45   =  \sqrt{6}

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PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
MAVERICK [17]

Answer:

(-2,-5)

Step-by-step explanation:

y = 2x-1

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We can use substitution

3x - (2x-1) = -1

Distribute the minus sign

3x -2x+1 = -1

x +1 =-1

Subtract 1 from each side

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Now we need to find y

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y = 2(-2) -1

y = -4-1

y = -5

(-2,-5)

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I hope that i helped you :)


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