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NemiM [27]
3 years ago
6

Solve the equation. Then check your solution. – two-fifths + a = One-fifth a. Three-fifths c. StartFraction 3 Over 10 EndFractio

n b. Negative one-fifth d. Negative three-fifths
Mathematics
1 answer:
VLD [36.1K]3 years ago
5 0

Answer:

a = Negative one-fifth

Step-by-step explanation:

The given equation is :

\dfrac{2}{5}+a=\dfrac{1}{5}

We need to find the value of a.

Subtract 2/5 from both sides.

\dfrac{2}{5}+a-\dfrac{2}{5}=\dfrac{1}{5}-\dfrac{2}{5}\\\\a=\frac{1}{5}-\frac{2}{5}\\\\a=\dfrac{-1}{5}

So, the correct answer is Negative one-fifth. Hence, the correct option is (b).

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Answer:

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Step-by-step explanation:

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<em>We know that the perpendicular line would have a slope (m) that is </em><em>negative reciprocal </em><em>of this (\frac{1}{3}). Thus we can write the perpendicular line's equation as  y=\frac{1}{3}x+b. </em>

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<em>Now putting x = 4 and y = -6 into the equation, we can solve for b:</em>

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Thus, the equation of the perpendicular line is  y=\frac{1}{3}x-\frac{16}{3}

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