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GREYUIT [131]
3 years ago
15

81r2 - 90r + 25 solve

Mathematics
1 answer:
Dimas [21]3 years ago
7 0
<span>81r2 - 90r + 25
=(9r +5)^2 

----------------------</span>
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HELP ASAP PLZ &amp;THANK YOU :)
Andre45 [30]

The standard form:

Ax+By=C

The slope-intercept form:

y=mx+b

m - slope

m=\dfrac{y_2-y_1}{x_2-x_1}

b - y-intercept (0, b).

We have the point (0, 43) → b= 43.

Next point (2, 55). Substitute to the slope formula:

m=\dfrac{55-43}{2-0}=\dfrac{12}{2}=6

Therefore we have:

y=6x+43      <em>subtract 6x from both sides</em>

\boxed{-6x+y=43}


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Answer:

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Step-by-step explanation:

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pentagon [3]
B hope that is correct answer
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