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mrs_skeptik [129]

3 years ago

5

Common denominator of 2/5 and 1/10

2 answers:

Vika [28.1K]3 years ago

8 0

Answer:

Okay, we have two different fractions that have a different denomiantor (denominator is the second number or the one on the bottom of each fraction or ratio!) so you need to multiply to get the common one so 5 x 10 equals 50 right so now this would be 2/50 and 1/50!
Hope I helped! :D

olga2289 [7]3 years ago

3 0

The common denominator of 2/5 and 1/10 is 10

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2 years ago

Select the pair of slopes that are the slopes of perpendicular lines.

agasfer [191]

<h3> $\frac{3}{4}\ and\ \frac{-4}{3}$ are the slopes of perpendicular lines</h3>

<em><u>Solution:</u></em>

We know that,

Product of slope of a line and slope of line perpendicular to it is always equal to -1

<em><u>Option 1</u></em>

$\frac{1}{2}\ and\ 2$

$Product = \frac{1}{2} \times 2 = 1$

Thus, these are not the slopes of perpendicular lines

<em><u>Option 2</u></em>

$\frac{3}{4}\ and\ \frac{-4}{3}\\\\Product = \frac{3}{4} \times \frac{-4}{3}\\\\Product = -1$

This option satisfies the slopes of perpendicular lines

<em><u>Option 3</u></em>

$\frac{-2}{5}\ and\ \frac{-5}{2}\\\\Product = \frac{-2}{5} \times \frac{-5}{2} = 1$

Thus, these are not the slopes of perpendicular lines

<em><u>Option 4</u></em>

2 and 2

Product = 2 x 2 = 4

Thus, these are not the slopes of perpendicular lines

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3 years ago