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sveta [45]
3 years ago
6

Claudia's father is 7 times as old as Claudia. 20 years from now, Claudia will be 1/2 as old as her father. How old is Claudia's

father
Mathematics
1 answer:
Rudik [331]3 years ago
7 0
I hope this helps you


Claudia x


father 7x


20 years later


x+20= 1/2 (7x+20)


2 (x+20)=7x+20


2x+40=7x+20

5x=20

x= 8


father 7.8=56
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The equation of the line is, \rm y = 3x + 1.

Given that,

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\rm y = \dfrac{1}{3} x+4\\

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What is the equation of the line that is perpendicular to the given line?

According to the question,

The equation of the line is,

\rm = \dfrac{1}{3}x + 4\\

On comparing with the standard equation of the line y = mx +c.

The slope of the line m_1 is 1/3.

When two lines are perpendicular the relation between these slopes is,

\rm m_1\times m_1 = {-1}\\\\\dfrac{-1}{3} \times m_2 = -1\\\\-1 \times m_2 = -1 \times 3\\\\-m_2 = -3\\\\m_2 = 3

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\rm y = mx +c \\\\-5 = 3 (-2) + c\\\\-5 = -6+c \\\\c = 6-5 \\\\c = 1

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The equation of the line that is perpendicular to the given line and contains the point (-2, -5) is,

\rm y = mx +c \\\\y = 3x +1

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For more details refer to the link given below.

brainly.com/question/14388443

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