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nevsk [136]
3 years ago
5

Please need help!!! Find the x

Mathematics
1 answer:
Tomtit [17]3 years ago
6 0

Answer:

5.7 units

Step-by-step explanation:

By geometric mean property:

x =  \sqrt{4 \times 8}  \\  \\ x =  \sqrt{32}  \\  \\ x = 5.65685425 \\  \\ x \approx \: 5.7 \: units

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3 years ago
<img src="https://tex.z-dn.net/?f=%285y%20%2B%209%29%286y%20-%201%29" id="TexFormula1" title="(5y + 9)(6y - 1)" alt="(5y + 9)(6y
mestny [16]
Hey there :)

( 5y + 9 )( 6y - 1 )

We need to use FOIL to expand, that is
First Terms
Outer Terms
Inner Terms
Last Terms

     First          Outer         Inner      Last
( 5y )( 6y ) + ( 5y )( - 1 ) + 9 ( 6y ) + 9 ( - 1 )
    30y²     -        5y      +    54y   -       9

Combine, if any, the like-terms
30y² + 49y - 9
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3 years ago
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I need help with this question
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