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2 years ago

Solve for y. 6(y-9)=3y-36 Simplify your answer as much as possible. y= ?

Mathematics

1 answer:

adelina 88 [10]2 years ago

4 0

Answer:

<h3>The value of y after the given equation is simplified will be y=6</h3>

Step-by-step explanation:

<h3> Greetings !</h3>

$6(y -9) = 3y-36...the \: given \: expression \\ 6y - 54 = 3y - 36...apply \: the \: distributive \: law \: a(b - c) = ab - ac \\ 6y - 54 + 54 = 3y - 36 + 54...add \: both \: sides \: 54 \\ 6y = 3y + 18 \\6y - 3y = 3y + 18 - 3y...subtract \: 3y \: from \: both \: sides \\ 3y = 18 \\ \frac{3y}{3} = \frac{18}{3} ...divide \: both \: sides \: by \: 3 \\ y = 6...simplified$

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4 years ago

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Answer:

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3 years ago

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Alaina measured a boarding school and made a scale drawing. The scale of the drawing was 1 millimeter = 7 meters. In the drawing

alex41 [277]

Answer:

The length of the actual building is 112 meters long.

Step-by-step explanation:

The key words we need to know are these : scale is 1 millimeter = 7 meters, and 16 millimeters long.

The question is asking for the building's actual height.

To solve this, we need to set up a ratio, have the scale being one ratio and the other 16 millimeters over blank. It's going to look like this :

$\frac{1 mm}{7 m}$ = $\frac{16 mm}{x}$

We need to make sure all the units are lined up - the mm parts of the ratio are next to each other.

Now that we have our ratio set up we can cross product to solve for x.

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So x is 112, or the length of the actual building is 112 meters long.

Hope this helps, please mark brainliest if possible. Have a nice day. :)

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