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aleksandr82 [10.1K]
3 years ago
11

(1.15 x 30) - (30 x 0.25) Solve. {the x s are multiplication}

Mathematics
2 answers:
iogann1982 [59]3 years ago
8 0
1.15×30=34.5
30×0.25=7.5
34.5-7.5=27
zaharov [31]3 years ago
7 0
27



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Explanation

So first we’re gonna change the equation to y=Mx+b by subtracting the 8x and then dividing both sides by -4. This can be show like this

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So now that we have the equation in Y=Mx+b. The problem still isn’t done because it’s asking us to set up an equation that’s perpendicular. Which means the slope becomes the opposite

So the slope isn’t 2 anymore but instead -1/2! So now that we know that we need to make the line go through the origin which is very easy because you can just set the y intercept to 0.

So now that the perpendicular line is

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I hope I explain this well!

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