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denpristay [2]
3 years ago
11

➗ Divide i need to learn how to do divide and divide is hard to do for me

Mathematics
1 answer:
saveliy_v [14]3 years ago
3 0
Lets say... 7 divided by 21. ok? So... Just take 7, (usually the smaller number, but not in all cases.) and then multiply it by 1. 2. 3. So lets see. 7x1=7 so thats not it. 7x2 is 14 so thats not it. And you want to keep doing that until you get the other number. 7x3 is 21!!! That is the correct number so if you were doing long division like this
   ___3______  <--- the answer would be there.
7|21




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The percentage of profit margin that
the plumbing supplies manager realizes that he has = 15%
Total sales for the month made by the plumbing supplies manager = $23000
Then
Amount of profit that has been made
by the plumbing sales manager = 15% * 23000 dollars
                                                    = (15/100) * 23000 dollars
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6 0
3 years ago
Given the points A(0, 0), B(e, f), C(0, e) and D(f, 0), determine if line segments AB and CD are parallel, perpendicular or neit
Virty [35]

Answer:

Perpendicular

Step-by-step explanation:

Calculate the slopes m of the segments using the slope formula.

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Parallel lines have equal slopes

The product of the slopes of perpendicular lines equals - 1

(x₁, y₁ ) = A(0, 0) and (x₂, y₂ ) = B(e, f)

m_{AB} = \frac{f-0}{e-0} = \frac{f}{e}

Repeat with (x₁, y₁ ) = C(0, e) and (x₂, y₂ ) = D(f, 0)

m_{CD} = \frac{0-e}{f-0} = - \frac{e}{f}

Thus AB and CD are perpendicular since \frac{f}{e} × - \frac{e}{f} = - 1

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Step-by-step explanation:

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Anything inside the bracket affects x opposite of the sign.

Look at it as if you’re solving for x:

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3 0
3 years ago
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