2 years ago

A video game store has an 30% sale on all video games . If the game you want cost $45.00 , what would the discount be ?

Mathematics

1 answer:

Zina [86]2 years ago

8 0

Answer:

31.5

Step-by-step explanation:

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The sum of three consecutive number is 114. what is the smallest of the three numbers?

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Step-by-step explanation:

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3 years ago

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I'm so lost can someone answer and explain?

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3 years ago

How do you find the equation of the line in standard form that is perpendicular to the line y=3x+2 and passes through (-1, 5)

Novay_Z [31]

$y=mx+b \perp y=3x+2 \\
\Downarrow \hbox{the product of the slopes is -1} \\
m \times 3=-1 \\
m=-\frac{1}{3} \\ y=-\frac{1}{3}x+b \\ \\
(-1,5) \\
x=-1 \\
y=5 \\ 
\Downarrow \\
5=-\frac{1}{3} \times (-1) + b \\
5=\frac{1}{3}+b \\
5-\frac{1}{3}=b \\
\frac{15}{3}-\frac{1}{3}=b \\
b=\frac{14}{3} \\
y=-\frac{1}{3}x+\frac{14}{3} \\ \\
y=-\frac{1}{3}x+\frac{14}{3} \\
\frac{1}{3}x+y=\frac{14}{3} \ \ \ |\times 3 \\
\boxed{x+3y=14}$