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algol13
3 years ago
12

Compare the two ratios by entering >, < , or = in the box 6:15 30:80

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
7 0
Compare <span>6:15 30:80
or you can write </span><span>6/15 and 30/80

6/15 = 0.4
30/80 = 0.375

answer </span><span>6:15 > 30:80</span><span>

</span>
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Answer:

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Step-by-step explanation:

Given:

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6x+18y=5\\18y=-6x+5\\y=-\frac{6}{18}x+\frac{5}{18}\\y=-\frac{1}{3}x+\frac{5}{18}

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Option B:

For lines of the form x=a, where, a is a constant, the slope is undefined. So, option B is incorrect.

Option C:

On comparing with the slope-point form, we get slope as  m_{C}=3.

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Option D:

3x+9y=8\\9y=-3x+8\\y=-\frac{3}{9}x+\frac{8}{9}\\y=-\frac{1}{3}x+\frac{8}{9}

On comparing with the slope-intercept form, we get slope as  m_{D}=-\frac{1}{3}.

Now, m\times m_{D}=-\frac{1}{3}\times -\frac{1}{3}=\frac{1}{9}. So, option D is not perpendicular to the given line.

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