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zmey [24]
3 years ago
8

I really need help pls pls pls help

Mathematics
1 answer:
rewona [7]3 years ago
3 0

Answer:

the first one

Step-by-step explanation:

because 1 inch=22feet, so 242 feet=11 inch

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mihalych1998 [28]
Si, los dos son iguales

Cuando haces 5x=15, la división dice que x = 3. Para 2x=6 puedes usar el resultado de x=3 de la problema de antes, y cuando te usas esto va a ver que 2 de x cuando x=3 es igual a 6, y por eso 5x=15 y 2x=6 son equivalentes.
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How do I solve qudratic equations with factions, like this one:<br> <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B3%7D%2
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There are several approaches.

(5/3)x^2 - 5 = 0 has the coefficients a=5/3, b=0 and c = -5.

Thus, the quadratic formula would be appropriate here:

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x  = -------------------------------------------------------
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         plus or minus sqrt(100/3)
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8 0
3 years ago
-3r +9 = -4r +5<br>what's r?​
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Answer:

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Step-by-step explanation:

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