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denpristay [2]
3 years ago
8

table Mia bought a poster that was discounted $5 from an original price of $20. Which equation models how Mia can find the perce

nt of discount?
Mathematics
2 answers:
Natalka [10]3 years ago
8 0
Where x is the percent discount,
x = 5/20 * 100.
The percent discount is 25%.
kramer3 years ago
6 0

Answer:

$5 = $20(x)

Step-by-step explanation:

Mia bought a poster that was discounted $5 from an original price of $20. Which equation models how Mia can find the percent of discount?

so this is the question and the answer is $5 = $20(x)

Hopefully this helped

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The answer is:

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Step-by-step explanation:

406 km in 7h

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58 km/hr ⇒⇒⇒⇒⇒⇒ 16.1 m/s

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Step-by-step explanation:

\bold{METHOD\ 1}

\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{x-intercept:}\ (x,\ 0).\\\\\text{Susbtitute the coordinates of the points to the formula of a slope}\\\\(-3,\ -4),\ (6,\ 2),\ (x,\ 0):\\\\m=\dfrac{2-(-4)}{6-(-3)}=\dfrac{2+4}{6+3}=\dfrac{6}{9}=\dfrac{6:3}{9:3}=\dfrac{2}{3}\\\\m=\dfrac{0-2}{x-6}=\dfrac{-2}{x-6}\\\\\text{Therefore we have the equation:}\\\\\dfrac{-2}{x-6}=\dfrac{2}{3}\qquad\text{cross multiply}\\\\2(x-6)=(-2)(3)\\\\2(x-6)=-6\qquad\text{divide both sides by 2}\\\\x-6=-3\qquad\text{add 6 to both sides}\\\\x=3

\bold{METHOD\ 2}\\\\\text{Look at the picture.}

Mark points in the coordinate system.

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